From c1797702be103e0803869a43aef8bbbf7d4a6a92 Mon Sep 17 00:00:00 2001
From: rubyist <scott.barron@github.com>
Date: Sat, 25 Apr 2015 10:31:04 -0400
Subject: [PATCH] caching matrix

---
 cachematrix.R | 29 +++++++++++++++++++++++------
 1 file changed, 23 insertions(+), 6 deletions(-)

diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..1e85db72d2f 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,32 @@
-## Put comments here that give an overall description of what your
-## functions do
+## These functions provide a method of caching matrix inversions
 
-## Write a short comment describing this function
+## makeCacheMatrix creates an object wrapping a matrix that allows the calculated
+## inverse to be cached.
 
 makeCacheMatrix <- function(x = matrix()) {
-
+  i <- NULL
+  set <- function(y) {
+    x <<- y
+    i <<- NULL
+  }
+  
+  get <- function() x
+  setsolve <- function(inv) i <<- inv
+  getsolve <- function() i
+  list(set = set, get = get, setsolve = setsolve, getsolve = getsolve)
 }
 
 
-## Write a short comment describing this function
+## cacheSolve will invert a matrix created by makeCacheMatrix and cache the results,
+## returning a matrix that is the inverse of 'x'.
 
 cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+  i <- x$getsolve()
+  if (!is.null(i)) {
+    return(i)
+  }
+  m <- x$get()
+  i <- solve(m, ...)
+  x$setsolve(i)
+  i
 }