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cachematrix.R
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36 lines (31 loc) · 1.1 KB
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## Creates a special list that contains functions to get matrix, get the inverse of the matrix, set the inverse.
##
makeCacheMatrix <- function(x = matrix()) {
m <- NULL
set <- function(y) {
x <<- y
m <<- NULL
}
get <- function() x
## solve() function will creat the inverse of a square matrix
setinv <- function(solve) m <<- solve
getinv <- function() m
## Creates a list with the functions, set(), get(), setinv(), getinv()
list(set = set, get = get,
setinv = setinv,
getinv = getinv)
}
##Solves for the inverse of a matrix but checks if the solution is cached and returns that if solved.
cacheSolve <- function(x, ...) {
m <- x$getinv()
##Checks to see if the inverse is cached already and returns it if it is.
if(!is.null(m)) {
message("getting cached data")
return(m)
}
##Solves for the inverse of a matrix.
data <- x$get()
m <- solve(data, ...)
x$setinv(m)
m
}