fplot3d1

Arguments

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)

See Also

• plot3d1 — 3D gray or color level plot of a surface