2nd programming assignment

Kalimdor · Kalimdor · commit f2342ca4eeb0 · 2014-04-21T09:16:03.000+02:00
diff --git a/cachematrix.R b/cachematrix.R
@@ -2,14 +2,14 @@
 
 ## Makes a matrix object able to store a cache of its inverse
 makeCacheMatrix <- function(x = matrix()) {
-  m <- NULL
+  i <- NULL
   set <- function(y) {
     x <<- y
-    m <<- NULL
+    i <<- NULL
   }
   get <- function() x
-  setinverse <- function(inverse) m <<- inverse
-  getinverse <- function() m
+  setinverse <- function(inverse) i <<- inverse
+  getinverse <- function() i
   list(set = set, get = get,
        setinverse = setinverse,
        getinverse = getinverse)
@@ -19,14 +19,14 @@ makeCacheMatrix <- function(x = matrix()) {
 ## It returns the cached version if it was already computed.
 cacheSolve <- function(x, ...) {
   ## Return a matrix that is the inverse of 'x'
-  m <- x$getinverse()
-  if(!is.null(m)) {
+  i <- x$getinverse()
+  if(!is.null(i)) {
     message("getting cached data")
-    return(m)
+    return(i)
   }
   data <- x$get()
-  m <- solve(data)
-  x$setinverse(m)
-  m
+  i <- solve(data)
+  x$setinverse(i)
+  i
 }
 
