| Library: | graphic |
| See also: | grxline gryline grlinreg grlinreg2 |
| Quantlet: | grsurface | |
| Description: | generates a surface plot from a 3-dimensional dataset. |
| Usage: | gs = grsurface (x {, col}) | |
| Input: | ||
| x | n x 3 matrix | |
| col | color | |
| Output: | ||
| gs | composed graphical object | |
library("graphic")
x = grid(#(-3,-3), #(0.1,0.1), #(61,61))
f = exp(-0.5.*(x[,1]^2+x[,2]^2))./(2.*pi)
gs = grsurface(x~f)
d = createdisplay(1,1)
show(d, 1, 1, gs)
shows a surface plot