diff --git a/ch10/dyslexia/dyslexia.go b/ch10/dyslexia/dyslexia.go
index 58278c28..396ea721 100644
--- a/ch10/dyslexia/dyslexia.go
+++ b/ch10/dyslexia/dyslexia.go
@@ -18,18 +18,12 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32/minmax"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/clust"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/stats/split"
-	"cogentcore.org/core/tensor/stats/stats"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -41,6 +35,12 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/clust"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/stats/split"
+	"github.com/emer/etensor/tensor/stats/stats"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch10/sem/sem.go b/ch10/sem/sem.go
index ae0c64cc..ba30b1a0 100644
--- a/ch10/sem/sem.go
+++ b/ch10/sem/sem.go
@@ -17,14 +17,12 @@ import (
 	"embed"
 	"strings"
 
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/metric"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -36,6 +34,8 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/metric"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch10/sem/sem_env.go b/ch10/sem/sem_env.go
index 07372c9b..57ff9ecf 100644
--- a/ch10/sem/sem_env.go
+++ b/ch10/sem/sem_env.go
@@ -15,10 +15,10 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
-	"cogentcore.org/core/tensor"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/env"
 	"github.com/emer/emergent/v2/etime"
+	"github.com/emer/etensor/tensor"
 )
 
 // SemEnv presents paragraphs of text, loaded from file(s)
diff --git a/ch10/sg/sg.go b/ch10/sg/sg.go
index 5fac56b9..a076c61b 100644
--- a/ch10/sg/sg.go
+++ b/ch10/sg/sg.go
@@ -20,14 +20,12 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor/stats/clust"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -39,6 +37,8 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor/stats/clust"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch10/sg/sg_env.go b/ch10/sg/sg_env.go
index df032ba1..bf861524 100644
--- a/ch10/sg/sg_env.go
+++ b/ch10/sg/sg_env.go
@@ -11,11 +11,11 @@ import (
 	"math/rand"
 	"strings"
 
-	"cogentcore.org/core/base/randx"
-	"cogentcore.org/core/tensor"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/env"
 	"github.com/emer/emergent/v2/esg"
 	"github.com/emer/emergent/v2/etime"
+	"github.com/emer/etensor/tensor"
 )
 
 // SentGenEnv generates sentences using a grammar that is parsed from a
diff --git a/ch10/sg/sg_probe_env.go b/ch10/sg/sg_probe_env.go
index 9266cd84..696e1747 100644
--- a/ch10/sg/sg_probe_env.go
+++ b/ch10/sg/sg_probe_env.go
@@ -7,9 +7,9 @@ package main
 import (
 	"fmt"
 
-	"cogentcore.org/core/tensor"
 	"github.com/emer/emergent/v2/env"
 	"github.com/emer/emergent/v2/etime"
+	"github.com/emer/etensor/tensor"
 )
 
 // ProbeEnv generates sentences using a grammar that is parsed from a
diff --git a/ch10/ss/ss.go b/ch10/ss/ss.go
index c6394030..499ce6dc 100644
--- a/ch10/ss/ss.go
+++ b/ch10/ss/ss.go
@@ -14,18 +14,12 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/stats/split"
-	"cogentcore.org/core/tensor/stats/stats"
-	"cogentcore.org/core/tensor/table"
-	"cogentcore.org/core/tensor/tensorcore"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -38,6 +32,12 @@ import (
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
 	"github.com/emer/emergent/v2/relpos"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/stats/split"
+	"github.com/emer/etensor/tensor/stats/stats"
+	"github.com/emer/etensor/tensor/table"
+	"github.com/emer/etensor/tensor/tensorcore"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch2/detector/detector.go b/ch2/detector/detector.go
index 4ce02880..d099f709 100644
--- a/ch2/detector/detector.go
+++ b/ch2/detector/detector.go
@@ -15,13 +15,12 @@ import (
 	"log"
 	"reflect"
 
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32/minmax"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
 	"github.com/emer/emergent/v2/emer"
@@ -32,6 +31,7 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch3/cats_dogs/cats_dogs.go b/ch3/cats_dogs/cats_dogs.go
index 8323a92f..f25970a3 100644
--- a/ch3/cats_dogs/cats_dogs.go
+++ b/ch3/cats_dogs/cats_dogs.go
@@ -15,13 +15,12 @@ import (
 	"embed"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
 	"github.com/emer/emergent/v2/emer"
@@ -33,6 +32,7 @@ import (
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
 	"github.com/emer/emergent/v2/relpos"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch3/faces/faces.go b/ch3/faces/faces.go
index a9ffdf34..364f39eb 100644
--- a/ch3/faces/faces.go
+++ b/ch3/faces/faces.go
@@ -19,17 +19,12 @@ import (
 	"embed"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/plot/plotcore"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/clust"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
 	"github.com/emer/emergent/v2/emer"
@@ -41,6 +36,11 @@ import (
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
 	"github.com/emer/emergent/v2/relpos"
+	"github.com/emer/etensor/plot/plotcore"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/clust"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 	"golang.org/x/exp/rand"
 )
diff --git a/ch3/inhib/inhib.go b/ch3/inhib/inhib.go
index f5ac6e67..f084c634 100644
--- a/ch3/inhib/inhib.go
+++ b/ch3/inhib/inhib.go
@@ -11,13 +11,11 @@ package main
 
 import (
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
 	"github.com/emer/emergent/v2/emer"
@@ -29,6 +27,8 @@ import (
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/patgen"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch3/necker_cube/necker_cube.go b/ch3/necker_cube/necker_cube.go
index 81edb647..af2c5597 100644
--- a/ch3/necker_cube/necker_cube.go
+++ b/ch3/necker_cube/necker_cube.go
@@ -12,11 +12,11 @@ package main
 import (
 	"embed"
 
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
 	"github.com/emer/emergent/v2/emer"
diff --git a/ch4/err_driven_hidden/err_driven_hidden.go b/ch4/err_driven_hidden/err_driven_hidden.go
index a1ab71ce..a7691510 100644
--- a/ch4/err_driven_hidden/err_driven_hidden.go
+++ b/ch4/err_driven_hidden/err_driven_hidden.go
@@ -14,13 +14,12 @@ import (
 	"embed"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -32,6 +31,7 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch4/family_trees/family_trees.go b/ch4/family_trees/family_trees.go
index 0a991273..8f7c8df0 100644
--- a/ch4/family_trees/family_trees.go
+++ b/ch4/family_trees/family_trees.go
@@ -14,15 +14,11 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/clust"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -34,6 +30,10 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/clust"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 	"gonum.org/v1/gonum/mat"
 )
diff --git a/ch4/hebberr_combo/hebberr_combo.go b/ch4/hebberr_combo/hebberr_combo.go
index eeb46ffa..963bffb2 100644
--- a/ch4/hebberr_combo/hebberr_combo.go
+++ b/ch4/hebberr_combo/hebberr_combo.go
@@ -13,16 +13,12 @@ import (
 	"embed"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/stats/norm"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -34,6 +30,10 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/stats/norm"
+	"github.com/emer/etensor/tensor/table"
 	"golang.org/x/exp/rand"
 
 	//	"github.com/emer/etable/split"
diff --git a/ch4/pat_assoc/pat_assoc.go b/ch4/pat_assoc/pat_assoc.go
index 67186fe3..921df3fa 100644
--- a/ch4/pat_assoc/pat_assoc.go
+++ b/ch4/pat_assoc/pat_assoc.go
@@ -13,13 +13,12 @@ import (
 	"embed"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -31,6 +30,7 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch4/self_org/self_org.go b/ch4/self_org/self_org.go
index 10973136..4d70e84a 100644
--- a/ch4/self_org/self_org.go
+++ b/ch4/self_org/self_org.go
@@ -13,15 +13,11 @@ import (
 	"embed"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/stats/norm"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -33,6 +29,10 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/stats/norm"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch6/attn/attn.go b/ch6/attn/attn.go
index 9995296a..012fab15 100644
--- a/ch6/attn/attn.go
+++ b/ch6/attn/attn.go
@@ -17,16 +17,12 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/plot/plotcore"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/split"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
 	"github.com/emer/emergent/v2/emer"
@@ -37,6 +33,10 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/plot/plotcore"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/split"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch6/objrec/led_env.go b/ch6/objrec/led_env.go
index 1f61b4e9..44108eca 100644
--- a/ch6/objrec/led_env.go
+++ b/ch6/objrec/led_env.go
@@ -8,9 +8,9 @@ import (
 	"fmt"
 	"math/rand"
 
-	"cogentcore.org/core/tensor"
 	"github.com/emer/emergent/v2/env"
 	"github.com/emer/emergent/v2/etime"
+	"github.com/emer/etensor/tensor"
 	"github.com/emer/vision/v2/vfilter"
 	"github.com/emer/vision/v2/vxform"
 )
diff --git a/ch6/objrec/objrec.go b/ch6/objrec/objrec.go
index 9400b948..f7f46584 100644
--- a/ch6/objrec/objrec.go
+++ b/ch6/objrec/objrec.go
@@ -18,19 +18,15 @@ import (
 	"os"
 	"reflect"
 
-	"cogentcore.org/core/base/mpi"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
 	"cogentcore.org/core/math32/minmax"
 	"cogentcore.org/core/system"
-	"cogentcore.org/core/tensor/stats/split"
-	"cogentcore.org/core/tensor/stats/stats"
-	"cogentcore.org/core/tensor/table"
-	"cogentcore.org/core/tensor/tensorcore"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/mpi"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -42,6 +38,10 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor/stats/split"
+	"github.com/emer/etensor/tensor/stats/stats"
+	"github.com/emer/etensor/tensor/table"
+	"github.com/emer/etensor/tensor/tensorcore"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch6/objrec/v1filter.go b/ch6/objrec/v1filter.go
index 5d61da95..6b0e5bc3 100644
--- a/ch6/objrec/v1filter.go
+++ b/ch6/objrec/v1filter.go
@@ -7,8 +7,8 @@ package main
 import (
 	"image"
 
-	"cogentcore.org/core/tensor"
 	"github.com/anthonynsimon/bild/transform"
+	"github.com/emer/etensor/tensor"
 	"github.com/emer/vision/v2/fffb"
 	"github.com/emer/vision/v2/gabor"
 	"github.com/emer/vision/v2/kwta"
diff --git a/ch6/v1rf/dogfilter.go b/ch6/v1rf/dogfilter.go
index d7788058..79737b59 100644
--- a/ch6/v1rf/dogfilter.go
+++ b/ch6/v1rf/dogfilter.go
@@ -9,7 +9,7 @@ import (
 
 	"github.com/anthonynsimon/bild/transform"
 
-	"cogentcore.org/core/tensor"
+	"github.com/emer/etensor/tensor"
 	"github.com/emer/vision/v2/dog"
 	"github.com/emer/vision/v2/vfilter"
 )
diff --git a/ch6/v1rf/img_env.go b/ch6/v1rf/img_env.go
index 23ed55af..40e8862e 100644
--- a/ch6/v1rf/img_env.go
+++ b/ch6/v1rf/img_env.go
@@ -12,10 +12,10 @@ import (
 	"math/rand"
 
 	"cogentcore.org/core/base/iox/imagex"
-	"cogentcore.org/core/tensor"
 	"github.com/anthonynsimon/bild/clone"
 	"github.com/emer/emergent/v2/env"
 	"github.com/emer/emergent/v2/etime"
+	"github.com/emer/etensor/tensor"
 	"github.com/emer/vision/v2/vxform"
 )
 
diff --git a/ch6/v1rf/v1rf.go b/ch6/v1rf/v1rf.go
index 5e53ede5..e4d875e7 100644
--- a/ch6/v1rf/v1rf.go
+++ b/ch6/v1rf/v1rf.go
@@ -19,16 +19,13 @@ import (
 	"os"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
 	"cogentcore.org/core/system"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/table"
-	"cogentcore.org/core/tensor/tensorcore"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -40,6 +37,9 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/table"
+	"github.com/emer/etensor/tensor/tensorcore"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch7/abac/abac.go b/ch7/abac/abac.go
index 396f984c..b73c961b 100644
--- a/ch7/abac/abac.go
+++ b/ch7/abac/abac.go
@@ -15,18 +15,12 @@ import (
 	"reflect"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/plot/plotcore"
-	"cogentcore.org/core/tensor/stats/clust"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/stats/split"
-	"cogentcore.org/core/tensor/stats/stats"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -38,6 +32,12 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/plot/plotcore"
+	"github.com/emer/etensor/tensor/stats/clust"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/stats/split"
+	"github.com/emer/etensor/tensor/stats/stats"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 	"gonum.org/v1/gonum/mat"
 )
diff --git a/ch7/hip/hip.go b/ch7/hip/hip.go
index 5170a963..cae4bb4e 100644
--- a/ch7/hip/hip.go
+++ b/ch7/hip/hip.go
@@ -16,14 +16,11 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
-	"cogentcore.org/core/plot/plotcore"
-	"cogentcore.org/core/tensor/stats/split"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -36,6 +33,9 @@ import (
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/patgen"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/plot/plotcore"
+	"github.com/emer/etensor/tensor/stats/split"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch7/priming/priming.go b/ch7/priming/priming.go
index 16523b61..c6febc6f 100644
--- a/ch7/priming/priming.go
+++ b/ch7/priming/priming.go
@@ -16,13 +16,11 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
-	"cogentcore.org/core/plot/plotcore"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -34,6 +32,8 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/plot/plotcore"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch8/bg/bandit_env.go b/ch8/bg/bandit_env.go
index b96d6745..74dd5438 100644
--- a/ch8/bg/bandit_env.go
+++ b/ch8/bg/bandit_env.go
@@ -8,9 +8,9 @@ import (
 	"fmt"
 	"math/rand"
 
-	"cogentcore.org/core/base/randx"
-	"cogentcore.org/core/tensor"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/env"
+	"github.com/emer/etensor/tensor"
 )
 
 // BanditEnv simulates an n-armed bandit, where each of n inputs is associated with
diff --git a/ch8/bg/bg.go b/ch8/bg/bg.go
index 5b3656b7..88450f82 100644
--- a/ch8/bg/bg.go
+++ b/ch8/bg/bg.go
@@ -15,15 +15,11 @@ package main
 
 import (
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/stats/norm"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -35,6 +31,10 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/stats/norm"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch8/rl/cond_env.go b/ch8/rl/cond_env.go
index 2380c5cf..9a95f732 100644
--- a/ch8/rl/cond_env.go
+++ b/ch8/rl/cond_env.go
@@ -8,10 +8,10 @@ import (
 	"fmt"
 	"math/rand"
 
-	"cogentcore.org/core/base/randx"
-	"cogentcore.org/core/tensor"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/env"
 	"github.com/emer/emergent/v2/etime"
+	"github.com/emer/etensor/tensor"
 )
 
 // OnOff represents stimulus On / Off timing
diff --git a/ch8/rl/rl.go b/ch8/rl/rl.go
index ca0def5c..37dcd2e1 100644
--- a/ch8/rl/rl.go
+++ b/ch8/rl/rl.go
@@ -10,16 +10,12 @@ package main
 
 import (
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
-	"cogentcore.org/core/tensor"
-	"cogentcore.org/core/tensor/stats/metric"
-	"cogentcore.org/core/tensor/stats/norm"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -31,6 +27,10 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor"
+	"github.com/emer/etensor/tensor/stats/metric"
+	"github.com/emer/etensor/tensor/stats/norm"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch9/a_not_b/a_not_b.go b/ch9/a_not_b/a_not_b.go
index 4093400a..b2ee8c1a 100644
--- a/ch9/a_not_b/a_not_b.go
+++ b/ch9/a_not_b/a_not_b.go
@@ -18,14 +18,13 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
 	"cogentcore.org/core/styles"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -37,6 +36,7 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/ch9/sir/sir.go b/ch9/sir/sir.go
index 829d069d..4bedc853 100644
--- a/ch9/sir/sir.go
+++ b/ch9/sir/sir.go
@@ -15,13 +15,13 @@ package main
 import (
 	"fmt"
 
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
 	"cogentcore.org/core/styles"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
diff --git a/ch9/sir/sir_env.go b/ch9/sir/sir_env.go
index 6e99e1a3..5458b618 100644
--- a/ch9/sir/sir_env.go
+++ b/ch9/sir/sir_env.go
@@ -8,9 +8,9 @@ import (
 	"fmt"
 	"math/rand"
 
-	"cogentcore.org/core/tensor"
 	"github.com/emer/emergent/v2/env"
 	"github.com/emer/emergent/v2/etime"
+	"github.com/emer/etensor/tensor"
 )
 
 // Actions are SIR actions
diff --git a/ch9/stroop/stroop.go b/ch9/stroop/stroop.go
index 028b3a24..0174da6f 100644
--- a/ch9/stroop/stroop.go
+++ b/ch9/stroop/stroop.go
@@ -16,15 +16,14 @@ import (
 	"strings"
 
 	"cogentcore.org/core/base/errors"
-	"cogentcore.org/core/base/randx"
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/enums"
 	"cogentcore.org/core/icons"
 	"cogentcore.org/core/math32"
 	"cogentcore.org/core/math32/minmax"
 	"cogentcore.org/core/styles"
-	"cogentcore.org/core/tensor/table"
 	"cogentcore.org/core/tree"
+	"cogentcore.org/lab/base/randx"
 	"github.com/emer/emergent/v2/econfig"
 	"github.com/emer/emergent/v2/egui"
 	"github.com/emer/emergent/v2/elog"
@@ -36,6 +35,7 @@ import (
 	"github.com/emer/emergent/v2/netview"
 	"github.com/emer/emergent/v2/params"
 	"github.com/emer/emergent/v2/paths"
+	"github.com/emer/etensor/tensor/table"
 	"github.com/emer/leabra/v2/leabra"
 )
 
diff --git a/go.mod b/go.mod
index f1712cdf..b27bfc51 100644
--- a/go.mod
+++ b/go.mod
@@ -1,15 +1,17 @@
 module github.com/CompCogNeuro/sims/v2
 
-go 1.22
+go 1.22.0
 
 require (
-	cogentcore.org/core v0.3.5
+	cogentcore.org/core v0.3.9-0.20250127075122-ddf64b82d707
+	cogentcore.org/lab v0.0.0-20250116065728-014d19175d12
 	github.com/anthonynsimon/bild v0.13.0
-	github.com/emer/emergent/v2 v2.0.0-dev0.1.7
-	github.com/emer/leabra/v2 v2.0.0-dev0.5.5
-	github.com/emer/vision/v2 v2.0.0-dev0.1.0
-	golang.org/x/exp v0.0.0-20240823005443-9b4947da3948
-	gonum.org/v1/gonum v0.15.0
+	github.com/emer/emergent/v2 v2.0.0-dev0.1.7.0.20250128232110-1e71a5c7249b
+	github.com/emer/etensor v0.0.0-20250128230539-a9366874f7c3
+	github.com/emer/leabra/v2 v2.0.0-dev0.5.5.0.20250128232242-79e931d6fe3b
+	github.com/emer/vision/v2 v2.0.0-dev0.1.0.0.20250128233535-2716c2c5e5ec
+	golang.org/x/exp v0.0.0-20250128182459-e0ece0dbea4c
+	gonum.org/v1/gonum v0.15.1
 )
 
 require (
@@ -19,7 +21,7 @@ require (
 	github.com/alecthomas/chroma/v2 v2.13.0 // indirect
 	github.com/aymerick/douceur v0.2.0 // indirect
 	github.com/chewxy/math32 v1.10.1 // indirect
-	github.com/cogentcore/webgpu v0.0.0-20240906154609-e35089e9a725 // indirect
+	github.com/cogentcore/webgpu v0.0.0-20250118183535-3dd1436165cf // indirect
 	github.com/dlclark/regexp2 v1.11.0 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20240506104042-037f3cc74f2a // indirect
@@ -33,10 +35,10 @@ require (
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.2-0.20240227203013-2b69615b5d55 // indirect
 	golang.org/x/image v0.18.0 // indirect
-	golang.org/x/mod v0.20.0 // indirect
-	golang.org/x/net v0.28.0 // indirect
-	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.23.0 // indirect
-	golang.org/x/text v0.17.0 // indirect
-	golang.org/x/tools v0.24.0 // indirect
+	golang.org/x/mod v0.22.0 // indirect
+	golang.org/x/net v0.34.0 // indirect
+	golang.org/x/sync v0.10.0 // indirect
+	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/text v0.21.0 // indirect
+	golang.org/x/tools v0.29.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 52f42c7b..8108a445 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,7 @@
-cogentcore.org/core v0.3.5 h1:qTW/+GSUbeYYCSi29zdAQ/fnjWg2/E/aTbAMbfAFGfI=
-cogentcore.org/core v0.3.5/go.mod h1:q3OrXihYG2aTE2oG785ad5b6aJ3wzSCXeeD2SSLKWIE=
+cogentcore.org/core v0.3.9-0.20250127075122-ddf64b82d707 h1:iuSRxC52LhHwAiNKfKx0UslAmZV2Io7QkkQYOgOyM6M=
+cogentcore.org/core v0.3.9-0.20250127075122-ddf64b82d707/go.mod h1:o9vCyA2Sdsc6W0qYvxzzQQlozfemP0TiAGEHDDR+xLU=
+cogentcore.org/lab v0.0.0-20250116065728-014d19175d12 h1:Y11ebOAN9EMCEmSg2M/O5wToGOOvQN08CWi2iou8jGU=
+cogentcore.org/lab v0.0.0-20250116065728-014d19175d12/go.mod h1:QlbVp7wdCDo59f6d0UIoPFLtIsCcG7DueOqd/8OohUs=
 github.com/Bios-Marcel/wastebasket v0.0.4-0.20240213135800-f26f1ae0a7c4 h1:6lx9xzJAhdjq0LvVfbITeC3IH9Fzvo1aBahyPu2FuG8=
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@@ -20,8 +22,8 @@ github.com/aymerick/douceur v0.2.0 h1:Mv+mAeH1Q+n9Fr+oyamOlAkUNPWPlA8PPGR0QAaYuP
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@@ -32,12 +34,14 @@ github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1
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@@ -45,6 +49,8 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20240506104042-037f3cc74f2a h1:vxnBhFDDT+
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@@ -85,32 +91,32 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
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