Asked by GA optimization
on 18 Sep 2013

I want to generate 100 points in a square , which side length is 5 m.

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Answer by Azzi Abdelmalek
on 18 Sep 2013

Edited by Azzi Abdelmalek
on 18 Sep 2013

Accepted answer

x=rand(1,100)*5 y=rand(1,100)*5 scatter(x,y)

or

a=rand(2,100)*5 scatter(a(1,:),a(2,:))

Answer by Image Analyst
on 18 Sep 2013

Here's an alternate interpretation, if you want 100 locations in a matrix set to some value, such as 1.

% Randomly place a value of 1 at 100 locations. m=10; % Whatever % Make a "canvass" of all zeroes. theArray = zeros(5*m); % Get 100 linear indices randomly located linearIndices = randperm(numel(theArray), 100); % Make those 100 locations have a value of 1: theArray(linearIndices) = 1;

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