From 0552541ced7c9d2390cc741a16b57c823fe07aa1 Mon Sep 17 00:00:00 2001
From: JohnGitHub886 <44353418+JohnGitHub886@users.noreply.github.com>
Date: Tue, 23 Oct 2018 09:25:10 +0800
Subject: [PATCH] Complete two functions.

Complete the two function following the detail description which make the matrix inverse.
---
 cachematrix.R | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..fc0e38d7ea2 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -4,7 +4,18 @@
 ## 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(inverse) inv <<- inverse
+        getInverse <- function() inv
+        list(set = set,
+             get = get,
+             setInverse = setInverse,
+             getInverse = getInverse)
 }
 
 
@@ -12,4 +23,14 @@ makeCacheMatrix <- function(x = matrix()) {
 
 cacheSolve <- function(x, ...) {
         ## Return a matrix that is the inverse of 'x'
+              ## Return a matrix that is the inverse of 'x'
+        inv <- x$getInverse()
+        if (!is.null(inv)) {
+                message("getting cached data")
+                return(inv)
+        }
+        mat <- x$get()
+        inv <- solve(mat, ...)
+        x$setInverse(inv)
+        inv
 }