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cachematrix.R
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38 lines (29 loc) · 810 Bytes
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## Creates a matrix and calculates the inverse to store in cache.
## Returns cached matrix or calculates a new one.
## Makes a matrix object and caches the inverse
makeCacheMatrix <- function(x = matrix()) {
xinv <- NULL
set <- function(y){
x <<- y
xinv <<- NULL
}
get <- function() x
setinverse <- function(solve) xinv <<- solve
getinverse <- function() xinv
list(set = set, get = get,
setinverse = setinverse,
getinverse = getinverse)
}
## Checks for or creates inverse matrix of "x", returns inverse of "x"
cacheSolve <- function(x, ...) {
## Return a matrix that is the inverse of 'x'
xinv <- x$getinverse
if (!is.null(xinv)){
message("getting cached data")
return(xinv)
}
data <- x$get
xinv <- solve(data)
x$setinverse(xinv)
xinv
}