More pagebreak fixing
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@@ -1,9 +1,9 @@
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% check whether the median returned by mymedian
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% really separates a vector into two halfs
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for i = 1:140 % loop over different length
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for k = 1:10 % try several times
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a = randn( i, 1 ); % generate some data
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m = mymedian( a ); % compute median
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for i = 1:140 % loop over different length
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for k = 1:10 % try several times
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a = randn( i, 1 ); % generate some data
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m = mymedian( a ); % compute median
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if length( a(a>m) ) ~= length( a(a<m) ) % check
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disp( 'error!' )
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end
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@@ -1,15 +1,14 @@
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x = randn( 100, 1 ); % generate some data
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db1=2;
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db2 = 0.5;
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bins1 = -4:db1:4; % large bins
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bins2 = -4:db2:4; % small bins
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x = randn(100, 1); % generate some data
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bins1 = -4:2:4; % large bins
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bins2 = -4:0.5:4; % small bins
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[h1,b1] = hist(x,bins1);
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[h2,b2] = hist(x,bins2);
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subplot( 1, 2, 1 );
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bar(b1,h1)
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bar(b1, h1)
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hold on
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bar(b2,h2, 'facecolor', 'r' )
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bar(b2, h2, 'facecolor', 'r' )
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xlabel('x')
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ylabel('Frequency')
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hold off
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@@ -12,16 +12,15 @@ hold off
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% compute integral between x1 and x2:
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P = sum(p((x>=x1)&(x<x2)))*dx;
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fprintf( 'The integral between %.2g and %.2g is %.3g\n', x1, x2, P );
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fprintf( 'Integral between %.2g and %.2g: %.3g\n', x1, x2, P );
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% draw random numbers:
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r = randn( 10000, 1 );
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% check P:
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Pr = sum((r>=x1)&(r<x2))/length(r);
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fprintf( 'The probability of getting a number between %.2g and %.2g is %.3g\n', x1, x2, Pr );
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fprintf( 'Probability of a number between %.2g and %.2g: %.3g\n', x1, x2, Pr );
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% infinite integral:
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P = sum(p)*dx;
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fprintf( 'The integral between -infinity and +infinity is %.3g\n', P );
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fprintf( 'I.e. the probability to get any number is %.3g\n', P );
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fprintf( 'Integral between -infinity and +infinity: %.3g\n', P );
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