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cachematrix.R
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## This pair of functions will cache the inverse of a matrix
## This function creates a special "matrix" object that can cache its inverse.
makeCacheMatrix <- function(x = matrix()) {
inv <- NULL
set <- function(y) {
inv <<- NULL
x <<- y
}
get <- function() x
setinverse <- function(inverse) inv <<- inverse
getinverse <- function() inv
list(set = set,
get = get,
setinverse = setinverse,
getinverse = getinverse)
}
## This function computes the inverse of the special "matrix" returned by
## `makeCacheMatrix` above. If the inverse has already been calculated
## (and the matrix has not changed), then `cacheSolve` should retrieve
## the inverse from the cache.
cacheSolve <- function(x, ...) {
inv <- x$getinverse()
if(!is.null(inv)) {
message("getting cached data")
return(inv)
}
data <-x$get()
inv <- solve(data, ...)
x$setinverse(inv)
inv
}