Update cachematrix.R

Author: ramGit22

cachematrix.R

@@ -1,15 +1,53 @@
-## Put comments here that give an overall description of what your
-## functions do
-
-## Write a short comment describing this function
-
-makeCacheMatrix <- function(x = matrix()) {
+## Writing two functions that cache the inverse of a matrix
 
+## This function creates a special "matrix" object that can cache its inverse
+makeCacheMatrix <- function( m = matrix() ) {
+## Initializing the inverse property
+i <- NULL
+## Setting the matrix method 
+set <- function( matrix ) {
+m <<- matrix
+i <<- NULL
+}
+## Getting the matrix method
+get <- function() {
+## Returning the matrix
+m
+}
+## Setting the inverse of the matrix
+setInverse <- function(inverse) {
+i <<- inverse
+}
+## Getting the inverse of the matrix
+getInverse <- function() {
+## Returning the inverse property
+i
+}
+## Returning a list of methods
+list(set = set, get = get,
+setInverse = setInverse,
+getInverse = getInverse)
 }
 
-
-## Write a short comment describing this function
+## This function computes the inverse of the special "matrix"
+## returned by makeCacheMatrix above. If the inverse has already 
+## been calculated (and the matrix has not changed), then the cachesolve
+## should retrieve the inverse from the cache.
 
 cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+## Returning matrix that is the inverse of 'x'
+m <- x$getInverse()
+## Returning the inverse if its set already
+if( !is.null(m) ) {
+message("getting cached data")
+return(m)
+}
+## Getting the matrix from the object
+data <- x$get()
+## Calculating the inverse by using matrix multiplication
+m <- solve(data) %*% data
+## Setting the inverse to the object
+x$setInverse(m)
+## Finally returning the matrix
+m
 }