25 lines
514 B
Matlab
25 lines
514 B
Matlab
% dependence of histogram on number of rolls:
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nrolls = [20, 100, 1000];
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for i = [1:length(nrolls)]
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d = rollthedie(nrolls(i));
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% plain hist:
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%hist(d)
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% force 6 bins:
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%hist(d, 6)
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% set the right bin centers:
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bins = 1:6;
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%hist(d, bins)
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% normalize histogram and compare to expectation:
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plot([0 7], [1/6 1/6], '-r', 'linewidth', 10)
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[h, b] = hist(d, bins);
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h = h/sum(h) % normalization
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hold on
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bar(b, h, 'facecolor', 'b')
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hold off
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title(sprintf('N=%d', length(d)))
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pause(2.0)
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end
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