Reshape row wise w/ different starting/ending elements number

Question

The problem is:

Product of known dimensions, 3, not divisible into total number of elements, 16.

this because i want to reshape a

Answer 1

You should add zeros in the beginnig. What I mean:

vec      = [1:16]'
nRow     = 3;
nCol     = 6;
zeroFill = nRow * nCol - length(vec);
newVec   = [vec; zeros(zeroFill, 1)];
mat      = reshape(newVec, [nRow nCol])