rdpeng#1

Author: deboraklingenberg

cachematrix.R

@@ -5,11 +5,61 @@
 
 makeCacheMatrix <- function(x = matrix()) {
 
+  ## Initialize the inverse property
+  i <- NULL
+  
+  ## Method to set the matrix
+  set <- function( matrix ) {
+    m <<- matrix
+    i <<- NULL
+  }
+  
+  ## Method the get the matrix
+  get <- function() {
+    ## Return the matrix
+    m
+  }
+  
+  ## Method to set the inverse of the matrix
+  setInverse <- function(inverse) {
+    i <<- inverse
+  }
+  
+  ## Method to get the inverse of the matrix
+  getInverse <- function() {
+    ## Return the inverse property
+    i
+  }
+  
+  ## Return a list of the methods
+  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'
+  
+  m <- x$getInverse()
+  
+  
+  if( !is.null(m) ) {
+    message("getting cached data")
+    return(m)
+  }
+  
+  ## Get the matrix from our object
+  data <- x$get()
+  
+  ## Calculate the inverse using matrix multiplication
+  m <- solve(data) %*% data
+  
+  ## Set the inverse to the object
+  x$setInverse(m)
+  
+  ## Return the matrix
+  m
 }