Local Maxima

is_local_max(input: any[] | Mat | Tensor, dim: Number) : Mat | Tensor

param input a JS array, matrix or tensor, the construct to find the local maximum value of the input

param dim - '0' (row) or '1' (column) - the direction to go across in finding the local maxima

returns Mat | Tensor - a matrix or tensor with 1 denoting the local max value was there and 0 denoting that it wasn't.

Notice if dim is 1, then input must be a 2-d matrix

This function simply finds all the local maximum value locations of the input.