anchor.diff:              Tensor.OpBinary(a, b, fRaw, fTensor, dfTensorFwdTT, dfTensorFwdTC, dfTensorFwdCT, dfTensorRevTT, dfTensorRevTC, dfTensorRevCT)
           else
               let newShape = broadcastShapes2 a.Shape b.Shape
  -            let aExp = a.Expand(newShape)
  -            let bExp = b.Expand(newShape)
  -            aExp / bExp
  +            let aExpanded = a.Expand(newShape)
  +            let bExpanded = b.Expand(newShape)
  +            aExpanded / bExpanded
       static member (/) (a:Tensor, b) = a / a.Create(b)
       static member (/) (a, b:Tensor) = b.Create(a) / b
       member t1.Div(t2:Tensor) = t1 / t2
  
positive.code:             Tensor.OpBinary(a, b, fRaw, fTensor, dfTensorFwdTT, dfTensorFwdTC, dfTensorFwdCT, dfTensorRevTT, dfTensorRevTC, dfTensorRevCT)
          else
              let newShape = broadcastShapes2 a.Shape b.Shape
              let aExp = a.Expand(newShape)
              let bExp = b.Expand(newShape)
              aExp * bExp
      static member (*) (a:Tensor, b) = a * a.Create(b)
      static member (*) (a, b:Tensor) = b.Create(a) * b
      member t1.Mul(t2:Tensor) = t1 * t2
  
negative.code:             Tensor.OpBinary(a, b, fRaw, fTensor, dfTensorFwdTT, dfTensorFwdTC, dfTensorFwdCT, dfTensorRevTT, dfTensorRevTC, dfTensorRevCT)
          else
              let newShape = broadcastShapes2 a.Shape b.Shape
              let aExpanded = a.Expand(newShape)
              let bExpanded = b.Expand(newShape)
              aExpanded + bExpanded
      static member (+) (a:Tensor, b) = a + a.Create(b)
      static member (+) (a, b:Tensor) = b.Create(a) + b
      member t1.Add(t2:Tensor) = t1 + t2
  