cachematrix.R

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

## The first function creates a vector, with a list of functions to: set the value of the matrix, get the value of the matrix, set the inverse, and get the inverse.

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)
}


## The second function calculates the inverse matrix (m) for the matrix (x) cached in the first function.

cacheSolve <- function(x, ...) {
    m <- x$getinv()
    if(!is.null(m)) {
      message("getting cached data")
      return(m)
    }
    data <- x$get()
    m <- solve(data, ...)
    x$setinv(m)
    m
}