python - Combining NumPy arrays

Question

I have two 20x100x3 NumPy arrays which I want to combine into a 40 x 100 x 3 array, that is, just add more lines to the array. I am confused by which function I want: is it vstack, hstack, column_stack or maybe something else?

Answer 1

I believe it's vstack you want

p=array_2
q=array_2
p=numpy.vstack([p,q])