From 09a1ae1a3c5a6c5139935c6c3e949f1d18f469a0 Mon Sep 17 00:00:00 2001
From: Ilya Sokolov <falconmain@gmail.com>
Date: Sun, 7 Feb 2016 21:34:39 +0200
Subject: [PATCH] Implemented cacheSolve and makeCacheMatrix functions

---
 cachematrix.R | 31 ++++++++++++++++++++++---------
 1 file changed, 22 insertions(+), 9 deletions(-)

diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..7b2fc2c25b9 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,28 @@
-## Put comments here that give an overall description of what your
-## functions do
+## Pair of functions that cache the inverse of a matrix.
 
-## Write a short comment describing this function
+## This function creates a special "matrix" object that can cache its inverse.
 
 makeCacheMatrix <- function(x = matrix()) {
-
+  inverse <- NULL
+  set <- function(m) {
+    x <<- m
+    inverse <<- NULL
+  }
+  get <- function() x
+  setinverse <- function(new_inverse) inverse <<- new_inverse
+  getinverse <- function() inverse
+  list(set = set, get = get, setinverse = setinverse, getinverse = getinverse)
 }
 
-
-## Write a short comment describing this function
-
-cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+## This function computes the inverse of the special "matrix" returned by makeCacheMatrix above
+cacheSolve <- function(x) {
+  inverse <- x$getinverse()
+  if(!is.null(inverse)) {
+    message("getting cached data")
+    return(inverse)
+  }
+  data <- x$get()
+  inverse <- solve(data)
+  x$setinverse(inverse)
+  inverse
 }