Implemented cached matrix inversion

Author: kennu

cachematrix.R

@@ -1,15 +1,53 @@
-## Put comments here that give an overall description of what your
-## functions do
+## Functions for computing cached matrix inversions
 
-## Write a short comment describing this function
+## makeCacheMatrix creates a cached matrix object for storing cached inversion results
+## Parameter x is the initial matrix stored in the cache
 
 makeCacheMatrix <- function(x = matrix()) {
-
+  inv <- NULL
+  
+  # Sets the matrix whose inverse is cached
+  set <- function(y) {
+    x <<- y
+    inv <<- NULL
+  }
+  
+  # Gets the matrix whose inverse is cached
+  get <- function() {
+    x
+  }
+  
+  # Sets the inverse value of the matrix
+  setinverse <- function(i) {
+    inv <<- i
+  }
+  
+  # Gets the inverse value of the matrix
+  getinverse <- function() {
+    inv
+  }
+  
+  # Return the object as a vector of functions
+  list(set=set, get=get, setinverse=setinverse, getinverse=getinverse)
 }
 
 
-## Write a short comment describing this function
+## cacheSolve computes the inverse of the given matrix x, using cached results when available
+## Parameter x must be a cached matrix object created using makeCacheMatrix()
 
 cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+  # Check if solution is cached
+  inv <- x$getinverse()
+  if (!is.null(inv)) {
+    # Yes, it was cached, return it
+    return(inv)
+  }
+  
+  # No, solution not yet cached, compute it now and cache it
+  data <- x$get()
+  inv <- solve(data, ...)
+  x$setinverse(inv)
+  
+  # Return the inverse matrix
+  inv
 }