removed AIMatrix class

Author: bezzazi abir

src/AI-SupportVectorMachines-Tests/AISupportVectorMachinesSoftSGDTest.class.st

@@ -72,7 +72,7 @@ AISupportVectorMachinesSoftSGDTest >> testComputeCostXY [
 AISupportVectorMachinesSoftSGDTest >> testFitXY [
 
 	| x y res |
-	x := AIMatrix from: #( #( 1 0 0 ) #( 1 1 1 ) #( 1 3 3 ) #( 1 4 4 ) ).
+	x := #( #( 1 0 0 ) #( 1 1 1 ) #( 1 3 3 ) #( 1 4 4 ) ).
 	y := #( 1 1 -1 -1 ).
 
 	model regularizationStrenght: 10000.
@@ -91,7 +91,7 @@ AISupportVectorMachinesSoftSGDTest >> testFitXY [
 AISupportVectorMachinesSoftSGDTest >> testPredict [
 
 	| expectedOutput x testInput y actualOutput |
-	x := AIMatrix from: #( #( 1 0 0 ) #( 1 1 1 ) #( 1 3 3 ) #( 1 4 4 ) ).
+	x := #( #( 1 0 0 ) #( 1 1 1 ) #( 1 3 3 ) #( 1 4 4 ) ).
 	y := #( 1 1 -1 -1 ).
 
 	testInput := AIMatrix from: #( #( 1 -1 -1 ) #( 1 5 5 ) #( 1 6 6 ) #( 1 7 7 ) ).

src/AI-SupportVectorMachines/AIMatrix.class.st

@@ -74,7 +74,7 @@ AISupportVectorMachinesSoftSGD >> fitX: inputMatrix y: outputVector [
 	prev_cost := Float infinity.
 	cost_threshold := 0.01.
 	weights := OrderedCollection
-		           new: inputMatrix numberOfColumns
+		           new: inputMatrix first size
 		           withAll: 0.
 	1 to: maxEpochs do: [ :epoch | 
 		inputMatrix shuffled.