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cachematrix.R
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cachematrix.R
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## Caching the Inverse of a Matrix
## makeCacheMatrix creates a special "matrix" object that can cache its inverse.
makeCacheMatrix <- function(x = matrix()) {
m <- matrix(, dim(x)[1], dim(x)[2])
set <- function(y){
x <<- y
m <<- matrix(, dim(x)[1], dim(x)[2])
}
get <- function() x
setinverse <- function(inverse) m <<- inverse
getinverse <- function() m
list(set = set, get = get,
setinverse = setinverse,
getinverse = getinverse)
}
## cacheSolve 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 the cachesolve should retrieve the inverse
## from the cache.
cacheSolve <- function(x, ...) {
## Return a matrix that is the inverse of 'x'
m <- x$getinverse()
if(!is.na(m[1,1])){
message("getting cached data")
return(m)
}
data <- x$get()
m <- solve(data)
x$setinverse(m)
m
}