How to extend a row vector down in increasing values?

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TastyPastry
TastyPastry on 10 Sep 2016
Answered: Star Strider on 10 Sep 2016
Say I have the vector
a = [4 5 6];
How can I make the vector into
[4 5 6
5 6 7
6 7 8
7 8 9
...]
where each column increments by some constant amount? The number of initial values nor the number of new rows are constant.

Accepted Answer

Star Strider
Star Strider on 10 Sep 2016
The bsxfun function is perfect for this:
a = [4 5 6];
N = 5; % Desired Row Lenth
Out = bsxfun(@plus, a, [0:N]')
Out =
4 5 6
5 6 7
6 7 8
7 8 9
8 9 10
9 10 11

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