Problem 42503. Generating random matrix with given probability mass function

Solution 2127930

Submitted on 13 Feb 2020 by Wayne

Size: 31
Leading solution size is 21.

This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Solve This Problem View on Solution Map

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 = 0.0015

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 = 0.0015

Problem 42503. Generating random matrix with given probability mass function

Test Suite

Suggested Problems

More from this Author30

Problem 42503. Generating random matrix with given probability mass function

Test Suite

Suggested Problems

More from this Author30

Players