From ca50649d93b48bb7381d1899214f3e7a6818fba5 Mon Sep 17 00:00:00 2001
From: brobie <brobie@gmail.com>
Date: Thu, 22 May 2014 16:40:41 -0500
Subject: [PATCH 1/2] completed assignment - before testing.

---
 .gitignore                   |  3 +++
 ProgrammingAssignment2.Rproj | 13 +++++++++++++
 cachematrix.R                | 33 +++++++++++++++++++++++++++------
 3 files changed, 43 insertions(+), 6 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 ProgrammingAssignment2.Rproj

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000000..807ea251739
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.Rproj.user
+.Rhistory
+.RData
diff --git a/ProgrammingAssignment2.Rproj b/ProgrammingAssignment2.Rproj
new file mode 100644
index 00000000000..066341ea144
--- /dev/null
+++ b/ProgrammingAssignment2.Rproj
@@ -0,0 +1,13 @@
+Version: 1.0
+
+RestoreWorkspace: Default
+SaveWorkspace: Default
+AlwaysSaveHistory: Default
+
+EnableCodeIndexing: Yes
+UseSpacesForTab: Yes
+NumSpacesForTab: 4
+Encoding: UTF-8
+
+RnwWeave: Sweave
+LaTeX: pdfLaTeX
diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..29c9f4f7145 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,36 @@
-## Put comments here that give an overall description of what your
-## functions do
+## These functions provide a way to create an inverted matrix, and everytime 
+## thereafter return a cached version of the matrix until another
+## matrix is inverted.
 
-## Write a short comment describing this function
+## This function provides access to set and get a cached version of a matrix.
 
 makeCacheMatrix <- function(x = matrix()) {
-
+    im <- NULL
+    set <- function(y) {
+        x <<- y
+        im <<- NULL
+    }
+    get <- function() x
+    setsolve <- function(inMatrix) im <<- inMatrix
+    getsolve <- function() im
+    list(set = set, get = get,
+         setsolve = setsolve,
+         getsolve = getsolve)
 }
 
 
-## Write a short comment describing this function
+## This function returns an inverse of the matrix given to the makeCacheMatrix
+## function.  If the matrix has already been inverted and cached, it will return
+## the cached version, otherwise, it will invert and then cache the matrix.
 
 cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+    m <- x$getsolve()
+    if(!is.null(m)) {
+        message("getting cached matrix")
+        return(m)
+    }
+    data <- x$get()
+    m <- solve(data, ...)
+    x$setsolve(m)
+    m
 }

From dff219a451d99b0cc467cdd845c68d517df6b177 Mon Sep 17 00:00:00 2001
From: brobie <brobie@gmail.com>
Date: Fri, 23 May 2014 13:34:49 -0500
Subject: [PATCH 2/2] Better commenting

---
 cachematrix.R | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/cachematrix.R b/cachematrix.R
index 29c9f4f7145..2aa25d6637f 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,9 +1,15 @@
 ## These functions provide a way to create an inverted matrix, and everytime 
 ## thereafter return a cached version of the matrix until another
-## matrix is inverted.
+## matrix is set.
 
-## This function provides access to set and get a cached version of a matrix.
+#############################################################################
+## makeCacheMatrix: This function provides access to set and get a cached 
+## version of a matrix.
 
+## x | matrix | The matrix to be set
+
+## return list containing different functions used to get/set matrix
+#############################################################################
 makeCacheMatrix <- function(x = matrix()) {
     im <- NULL
     set <- function(y) {
@@ -18,11 +24,15 @@ makeCacheMatrix <- function(x = matrix()) {
          getsolve = getsolve)
 }
 
-
-## This function returns an inverse of the matrix given to the makeCacheMatrix
+#############################################################################
+## cacheSolve: This function returns an inverse of the matrix given to the makeCacheMatrix
 ## function.  If the matrix has already been inverted and cached, it will return
 ## the cached version, otherwise, it will invert and then cache the matrix.
 
+## x | list | The list of functions used to get/set matrix
+
+## return inverted matrix
+#############################################################################
 cacheSolve <- function(x, ...) {
     m <- x$getsolve()
     if(!is.null(m)) {