cachematrix.R

## Put comments here that give an overall description of what your
## functions do

## Write a short comment describing this function

makeCacheMatrix <- function(x = matrix()) {
  inv <- NULL                                     #Start with a NULL cache
  set <- function(y) {                            #function to store value
    x <<- y
    inv <<- NULL
  }
  get <- function() x
  setinverse <- function(inverse) inv <<- inverse#to obtain value of inverse from outside
  getinverse <- function() inv                  # To obtain inverse val once calculated
  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'
  inv <- x$getinverse()
  if(!is.null(inv)) {                               # if value in cache return val
    message("getting cached data")
    return(inv)
  }
  data <- x$get()
  inv <- solve(data, ...)                           # else calculate, store and then return
  x$setinverse(inv)
  inv
}