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37 lines (26 loc) · 868 Bytes
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## Put comments here that give an overall description of what your
## functions do
## Write a short comment describing this function
makeCacheMatrix <- function(x = matrix()) {
inv_mat <- NULL
set <- function(y) {
x <<- y
inv_mat <<- NULL
}
get <- function() x
set_inv_mat <- function(y) inv_mat <<- y
get_inv_mat <- function() inv_mat
list(set = set, get = get, set_inv_mat = set_inv_mat, get_inv_mat = get_inv_mat)
}
## This function takes in a matrix and checks that if an inverse result of
cacheSolve <- function(x, ...) {
inv_mat <- x$get_inv_mat()
if (!is.null(inv_mat)) {
message("getting cached data")
return(inv_mat)
}
data <- x$get()
inv_mat <- solve(data)
x$set_inv_mat(inv_mat)
inv_mat
}