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Aide Scilab >> Graphiques > 2d_plot > plot2d2

plot2d2

2D plot (step function)

Calling Sequence

plot2d2([x],y)
plot2d2([x],y,<opt_args>)
plot2d2([logflag],x,y,[style,strf,leg,rect,nax])

Arguments

args

see plot2d for a description of parameters.

Description

plot2d2 is the same as plot2d but the functions given by (x,y) are supposed to be piecewise constant.

By default, successive plots are superposed. To clear the previous plot, use clf().

Enter the command plot2d2() to see a demo. Note that all the modes proposed by plot2dxx (xx = 1 to 4) can be enabled using plot2d and setting the polyline_style option to the corresponding number.

Examples

// plots a step function of value i on the segment [i,i+1]
// the last segment is not drawn
plot2d2([1:4],[1:4],1,"111","step function",[0,0,5,5])
// compare the following with plot2d
x=[0:0.1:2*%pi]';
clf()
plot2d2(x,[sin(x) sin(2*x) sin(3*x)])
clf();
plot2d(x,[sin(x) sin(2*x) sin(3*x)])
e=gce();
e.children(1).polyline_style=2;
e.children(2).polyline_style=2;
e.children(3).polyline_style=2;

See Also

  • plot2d — 2D plot
  • plot2d3 — 2D plot (vertical bars)
  • plot2d4 — 2D plot (arrows style)
  • subplot — divise une fenêtre graphique en sous-fenêtres
  • clf — clear or reset the current graphic figure (window) to default values
  • polyline_properties — description of the Polyline entity properties

Authors

J.Ph.C.

<< plot2d1 2d_plot plot2d3 >>

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Last updated:
Thu May 12 11:44:59 CEST 2011