Cody

Problem 1089. Create a random vector of integers with given sum

Solution 566660

Submitted on 27 Jan 2015 by Jan Orwat
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Test Suite

Test Status Code Input and Output
1   Pass
%% nocheat = isempty(regexp(evalc('type random_sequence'),'([^f]eval|regexprep|inline|str2func)')); m = 26; s = 5000; y = random_sequence(m,s); assert(isequal(sum(y),s) && abs(mean(y)-m/2)<m*sqrt(m/s)+1/2 && isequal(y,round(y)) && abs(std(y)-m/sqrt(12))*sqrt(s)/m<2.5 && nocheat)

2   Pass
%% nocheat = isempty(regexp(evalc('type random_sequence'),'([^f]eval|regexprep|inline|str2func)')); m = 2; s = 1000; y = random_sequence(m,s); assert(isequal(sum(y),s) && abs(mean(y)-m/2)<m*sqrt(m/s)+1/2 && isequal(y,round(y)) && abs(std(y)-m/sqrt(12))*sqrt(s)/m<2.5 && nocheat)

3   Pass
%% nocheat = isempty(regexp(evalc('type random_sequence'),'([^f]eval|regexprep|inline|str2func)')); m = 1000; s = 100000; y = random_sequence(m,s); assert(isequal(sum(y),s) && abs(mean(y)-m/2)<m*sqrt(m/s)+1/2 && isequal(y,round(y)) && abs(std(y)-m/sqrt(12))*sqrt(s^1/m^3)<1 && nocheat)

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