RosettaCodeData/Task/Random-numbers/MATLAB/random-numbers-3.m

16 lines
338 B
Matlab

function randNum = randNorm(mu0,chi2, sz)
radiusSquared = +Inf;
while (radiusSquared >= 1)
u = ( 2 * rand(sz) ) - 1;
v = ( 2 * rand(sz) ) - 1;
radiusSquared = u.^2 + v.^2;
end
scaleFactor = sqrt( ( -2*log(radiusSquared) )./ radiusSquared );
randNum = (v .* scaleFactor .* chi2) + mu0;
end