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