Cody

Problem 1090. Create a random logical vector of N elements of which M are true.

Solution 672254

Submitted on 20 May 2015 by Gergely Patay
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Test Suite

Test Status Code Input and Output
1   Pass
%% n = 10; m = 4; y = random_binary(n,m); assert(islogical(y) && isequal(sum(y),m) && abs(std(diff(y)>0)-0.45)<0.2)

2   Pass
%% n = 1000; m = 500; y = random_binary(n,m); assert(islogical(y) && isequal(sum(y),m) && abs(std(diff(y)>0)-0.45)<0.05)

3   Pass
%% n = 500; m = 20; y = random_binary(n,m); assert(islogical(y) && isequal(sum(y),m) && abs(std(diff(y)>0)-0.18)<0.05)