cachematrix.R

## 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 compute it repeatedly

## Write a short comment describing this function
##This function creates a special "matrix" object that can cache its inverse
makeCacheMatrix <- function(x = matrix()) {
  inv<-NULL
  set<-function(y) {
    x<<-y
    inv<<-NULL
  }
  get<-function()x
  setinverse<-function(inverse)inv<<-inverse
  getinverse<-function()inv
  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'
  inv<-x$getinverse()
  if(!is.null(inv)){
    message("getting cached data")
    return(inv)
  }
  matrix<-x$get()
  inv<-solve(matrix...)
  x$setinverse(inv)
  inv
}