Evaluate Function on Grid

Evaluates a bivariate function on a uniform grid.

Usage

evaluate.function.on.grid(f, grid)

Arguments

f

Function taking two arguments (x, y)

grid

List containing grid data (as created by create.grid)

Value

Matrix of function values

Examples

if (FALSE) { # \dontrun{
grid <- create.grid(50)
f <- function(x, y) sin(x) * cos(y)
f.grid <- evaluate.function.on.grid(f, grid)
image(grid$x, grid$y, f.grid)
} # }