Name
fplot3d1 — 3D gray or color level plot of a surface
defined by a function
Calling Sequence
fplot3d1(xr,yr,f,[theta,alpha,leg,flag,ebox])
fplot3d1(xr,yr,f,<opt_args>)
Parameters
- xr
row vector of size n1.
- yr
row vector of size n2.
- f
external of type z=f(x,y).
- theta,alpha,leg,flag,ebox
see plot3d1
.
- <opt_args>
see plot3d
.
Description
fplot3d1
plots a 3D gray or color level plot of a surface
defined by the external function f
on the grid defined by
xr
and yr
.
Enter the command fplot3d1()
to see a demo.
Examples
deff('z=f(x,y)','z=x^4-y^4')
x=-3:0.2:3 ;y=x ;
clf() ;fplot3d1(x,y,f,alpha=5,theta=31)