From 8ae0e0fa5499a2bb89934e98064cbe5a5c1f6428 Mon Sep 17 00:00:00 2001
From: hectorcm <hrafaelcalvillo@hotmail.com>
Date: Sun, 22 Nov 2015 17:44:27 -0600
Subject: [PATCH 1/2] Hw2

last version
---
 cachematrix.R | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..b65c4427f98 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,38 @@
 ## Put comments here that give an overall description of what your
 ## functions do
 
-## Write a short comment describing this function
+## makeCacheMatrix containes 4 functions set, get, setinverse, getinverse.
+## get.-returns de vector x    set.- change the vectore stored in the main function just in case of a new valor
+## the variable m is used to determinate when the matrix inverse has been already calculated
+## getinverse and setinverse are used to put the value in m variable
 
 makeCacheMatrix <- function(x = matrix()) {
+  m <- NULL
+  set <- function(y) {
+    x <<- y
+    m <<- NULL
+  }
+  get <- function() x
+  setinverse <- function(solve) m <<- solve
+  getinverse <- function() m
+  list(set = set, get = get,
+       setinverse = setinverse,
+       getinverse = getinverse)
 
 }
 
 
-## Write a short comment describing this function
+## cacheSolve check if the valu of m is empty in that case it calculate the inverse, otherwaze returns the value that has been already calated
 
 cacheSolve <- function(x, ...) {
+  m <- x$getinverse()
+  if(!is.null(m)) {
+    message("getting cached data")
+    return(m)
+  }
+  data <- x$get()
+  m <- solve(data, ...)
+  x$setinverse(m)
+  m
         ## Return a matrix that is the inverse of 'x'
 }

From 3ad07bf826341c3a351e6a49edeb1284c04cbc87 Mon Sep 17 00:00:00 2001
From: hectorcm <hrafaelcalvillo@hotmail.com>
Date: Sun, 22 Nov 2015 17:47:52 -0600
Subject: [PATCH 2/2] hw2

Final version
---
 cachematrix.R | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cachematrix.R b/cachematrix.R
index b65c4427f98..e5b62d88857 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -4,7 +4,7 @@
 ## makeCacheMatrix containes 4 functions set, get, setinverse, getinverse.
 ## get.-returns de vector x    set.- change the vectore stored in the main function just in case of a new valor
 ## the variable m is used to determinate when the matrix inverse has been already calculated
-## getinverse and setinverse are used to put the value in m variable
+## getinverse and setinverse are used to put the value in m variable.
 
 makeCacheMatrix <- function(x = matrix()) {
   m <- NULL
@@ -16,7 +16,7 @@ makeCacheMatrix <- function(x = matrix()) {
   setinverse <- function(solve) m <<- solve
   getinverse <- function() m
   list(set = set, get = get,
-       setinverse = setinverse,
+       setinverse = setinverse, 
        getinverse = getinverse)
 
 }