Update cachematrix.R

Author: mlnotes2718

cachematrix.R

@@ -3,13 +3,39 @@
 
 ## Write a short comment describing this function
 
+## This function will create a matrix function that allows user to set their matrix ($set), read the matrix($get)
+## This function will also allow user to read the inverse of function ($getinv)
+## If the result is NULL, then user need to run the cacheSolve() function
 makeCacheMatrix <- function(x = matrix()) {
-
+        m <- NULL
+    set <- function(y) {
+        x <<- y
+        m <<- NULL
+    }
+    get <- function() x
+    setinv <- function(solve) m <<- solve
+    getinv <- function() m
+    list(set = set, get = get,
+         setinv = setinv,
+         getinv = getinv)
 }
 
-
 ## Write a short comment describing this function
 
+## If makeCacheMatrix$getinv() is NULL, then user need to run the following function
+## This function will compute the inverse of matrix and store the result to the function that was 
+## previously created in makeCachematric()
+
+
 cacheSolve <- function(x, ...) {
         ## Return a matrix that is the inverse of 'x'
+    m <- x$getinv()
+    if(!is.null(m)) {
+        message("getting cached data")
+        return(m)
+    }
+    data <- x$get()
+    m <- solve(data, ...)
+    x$setinv(m)
+    m
 }