First commit: implemented makeCacheMatrix

Author: wooduk

cachematrix.R

@@ -1,15 +1,27 @@
-## Put comments here that give an overall description of what your
-## functions do
+## Matrix inversion is usually a costly computation and there may be some benefit
+## to caching the inverse of a matrix rather than computing it repeatedly. These
+## functions implement such behaviour. These functions have been written to satisfy
+## the requirements of the Week 3 programming exercise.
 
-## Write a short comment describing this function
+## This function creates a special "matrix" object that can cache its inverse.
 
 makeCacheMatrix <- function(x = matrix()) {
-
+    m <- NULL
+    set <- function(y) {
+      x <<- y
+      m <<- NULL
+    }
+    get <- function() x
+    setinv <- function(inv) m <<- inv
+    getinv <- function() m
+    list(set = set, get = get,
+         setinv = setinv,
+         getinv = getinv)
 }
 
 
-## Write a short comment describing this function
 
 cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+    ## Return a matrix that is the inverse of 'x'
+   
 }