Cacheable matrix inverse

Added makeCacheMatrix(x) and cacheSolve(x) to cache matrix inverse
calculation.

Author: Jye

.Rhistory

@@ -1,15 +1,29 @@
 ## Put comments here that give an overall description of what your
 ## functions do
 
-## Write a short comment describing this function
-
+##Create a matrix whose inverse can be cached
 makeCacheMatrix <- function(x = matrix()) {
-
+  inverse <- NULL
+  set <- function(y) {
+    x <<- y
+    inverse <<- NULL
+  }
+  get <- function() x
+  setInverse <- function(i) inverse <<- i
+  getInverse <- function() inverse
+  list(set = set, get = get, setInverse = setInverse, getInverse = getInverse)
 }
 
-
-## Write a short comment describing this function
-
+## Returns the cached inverse of matrix 'x'. If inverse of 'x' is not cached, it is calculated and cached.
 cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+  ## Return a matrix that is the inverse of 'x'
+  inverse <- x$getInverse()
+  if (!is.null(inverse)) {
+    message("getting cached data")
+    return(inverse)
+  }
+  data <- x$get()
+  inverse <- solve(data, ...)
+  x$setInverse(inverse)
+  inverse
 }