28 lines
971 B
Matlab
28 lines
971 B
Matlab
function show_histogram(histogram,Vmin,Vmax)
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% show_histogram((histogram,Vmin,Vmax) plots in a figure
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% an histogram computed by the Signal Processing Blockset 'Histogram'
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% block and exported to the Matlab Workspace through a 'Signal to
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% Workspace' block. The 'Signal to Workspace' block has to be
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% configured to output a one-dimensional array.
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%
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% histogram is the name of the variable containing the histogram
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% as a one-dimensional array
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% Vmin, Vmax are, respectively, the minimal input value and
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% the maximal input value, as specified in the dialog box of the
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% 'Histogram' block.
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% compatible with Matlab R2012b
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if ~isnumeric(histogram)
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error('histogram is expected to be an array of numbers !');
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end
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if ndims(histogram)>2 || (size(histogram,1)~=1 && size(histogram,2)~=1)
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error('histogram is expected to be a one-dimensional array !');
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end
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Nbins=length(histogram);
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delta=(Vmax-Vmin)/Nbins;
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hx = Vmin+delta/2:delta:Vmax;
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hy = histogram;
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bar(hx,hy); |