Problem 42503. Generating random matrix with given probability mass function

Solution 2343903

Submitted on 23 May 2020 by jmac

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Test Suite

Test	Status	Code Input and Output
1	Pass	rnd = sort(rand(randi([10,20]),1)); prob = vertcat(rnd(1,:),diff(rnd,1,1),1-rnd(end,:)); sz = [1 1e5;1e5 1;1e3 1e2;randi([100 200], 100, 2)]; sz = sz(randi(size(sz,1)),:); x = rndsampling(sz(1),sz(2),prob); prob_est = histcounts(x,1:numel(prob)+1,'Normalization','probability').'; err = mean(abs(prob_est - prob)) assert(err < 0.005 && isequal(size(x),sz) && all(~isnan(x(:)))); err = 8.9895e-04

Test

Status

Code Input and Output

Pass

rnd = sort(rand(randi([10,20]),1)); prob = vertcat(rnd(1,:),diff(rnd,1,1),1-rnd(end,:)); sz = [1 1e5;1e5 1;1e3 1e2;randi([100 200], 100, 2)]; sz = sz(randi(size(sz,1)),:); x = rndsampling(sz(1),sz(2),prob); prob_est = histcounts(x,1:numel(prob)+1,'Normalization','probability').'; err = mean(abs(prob_est - prob)) assert(err < 0.005 && isequal(size(x),sz) && all(~isnan(x(:))));

err = 8.9895e-04

Problem 42503. Generating random matrix with given probability mass function

Test Suite

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Problem 42503. Generating random matrix with given probability mass function

Test Suite

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