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fcontour Scilab Group Scilab Function fcontour
NAME
fcontour - level curves on a 3D surface defined by a function
CALLING SEQUENCE
fcontour(xr,yr,f,nz,[theta,alpha,leg,flag,ebox,zlev])
fcontour(xr,yr,f,nz,<opt_args>)
PARAMETERS
xr,yr : two real row vectors of size n1 and n2.
f : is an external which defines the surface z=f(x,y). It is first
computed on the grid specified by xr,yr. Then, control is passed
to the routine contour.
nz, : see contour.
theta,alpha,leg,flag,ebox,zlev
: see contour.
<opt_args>
: see contour.
DESCRIPTION
Draws level curves of a surface z=f(x,y). The level curves are drawn on a
3D surface. The surface is given by the external function f. See contour.
The optional arguments theta,alpha,leg ,flag,ebox, zlev, can be passed by
a sequence of statements key1=value1, key2=value2,
flag,ebox,zlev. In this case, the order has no special meaning.
Enter the command fcontour() to see a demo.
EXAMPLE
deff("[z]=surf(x,y)","z=sin(x)*cos(y)");
t=%pi*[-10:10]/10;
fcontour(t,t,surf,10)
xbasc();fcontour(t,t,surf,10,ebox=[-4 4 -4 4 -1 1],zlev=-1,flag=[0 1 4])
SEE ALSO
contour, contour2d, fcontour2d
AUTHOR
J.Ph.C.
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