Added completed cachematrix.R

Author: Manoj Xavier

cachematrix.R

@@ -4,6 +4,17 @@
 ## Write a short comment describing this function
 
 makeCacheMatrix <- function(x = matrix()) {
+        inv <- NULL
+        set <- function(y) {
+                x <<- y
+                inv <<- NULL
+        }
+        get <- function() x
+        setinverse <- function(solve) inv <<- solve
+        getinverse <- function() inv
+        list(set = set, get = get,
+             setinverse = setinverse,
+             getinverse = getinverse)
 
 }
 
@@ -12,4 +23,17 @@ makeCacheMatrix <- function(x = matrix()) {
 
 cacheSolve <- function(x, ...) {
         ## Return a matrix that is the inverse of 'x'
+        inv <- x$getinverse()
+        if(!is.null(inv)) {
+                message("getting cached data")
+                return(inv)
+        }
+        data <- x$get()
+        inv <- solve(data, ...)
+        x$setinverse(inv)
+        inv
 }
+
+a = matrix( c(4,10,23,12), nrow=2, ncol=2) 
+mat <- makeCacheMatrix(a)
+cacheSolve(mat)