simp {StreamMetabolism} | R Documentation |
Numeric Integration using the Simpson Method
simp(y, a = NULL, b = NULL, x = NULL, n = 200)
y |
y values to integrate |
x |
x values to integrate over |
a |
NULL |
b |
NULL |
n |
number of divisions defaults to 200 |
Numeric Value of the integration
Rolf Turner
# 4-x^2-y^2 fun <- function(x, y){ a <- 4 b <- x^2 d <- y^2 z <- a-b-d return(z) } a <- fun(seq(-1000,1000,1), seq(-1000,1000,1)) simp(a, x=-1000:1000, n=1000)