utils# block_matrix(M)[source]# Horizontal stack of vectors. concatenate(vectors)[source]# Concatenate vectors. get_slice(x, start=0, end=None, step=None)[source]# Get a slice x[start:end:step]. hstack(arrays)[source]# Vertical stack of vectors/matrix. tail(x)[source]# Get the tail x[1:] of a vector. to_list(a, n=1)[source]# Transform a to list of length n. vstack(arrays)[source]# Vertical stack of vectors/matrix.