trying to understand one line at the program

hello every ones!!! im trying to understand the last line at this program? clear all b = 2500; a = 52; r = rand(1,b) w = ceil(b/a); q = 2*r - 1; q = [q zeros(1,a*w-b)];

does someone can help me and light my eyes bout this one (i know the zeros__ command but i cant understand the meaning when i right the varable 'q' before it....? thank u very much for your help!

Answer 1

[Sean de Wolski]

You're concatenating the variable q column-wise with zeros. Break it down:

q = 42;
a = 1;
w = 10;
b = 3;
q = [q zeros(1,a*w-b)]