array_collapse_left function

array_collapse_left

Calculates the matrix product between an array and a vector.

array_collapse_left(A, B)

Arguments

• A: A 3-D array with shapes n x m x k.
• B: A matrix with shapes m x 1.

Details

For an array A with shapes n x m x k and a vector B with shape m, this operations returns a matrix C, with shapes n x k, so that C[,i] = A[,,i]