Hello,
Le 24/09/2015 05:11, Robert McLean MD PhD a écrit :
So here is what I did for the stairs graph:
.../...
function stairs(x,y)
n=length(x);
x_indices=int((1:2*n-1)/2)+1; // gives 1,2,2,3,3,...,2n-1,2n-1
x_ss=x(x_indices); // the stair step graph's x values
y_indices=int((2:2*n)/2); // gives 1,1,2,2,...,2n-2,2n-2,2n-1
y_ss=y(y_indices)
plot2d(x_ss,y_ss)
endfunction
// We create an example:
n=10;
x=linspace(0,2,n);
x=x.*x; //irregularly spaced x interval points from 0 to 4
y=sin(x*%pi);
stairs(x,y)
// either
plot2d2(x,y)
// or..
plot2d(x,y)
e = gce();
e.children(1).polyline_style=2;
// does the same
The polyline_style property enables switching between various plotting
modes.
help Graphics // http://help.scilab.org/docs/5.5.2/en_US/Graphics.html
help polyline_properties //
http://help.scilab.org/docs/5.5.2/en_US/polyline_properties.html
HTH
Samuel Gougeon
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