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cachematrix.R
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cachematrix.R
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## cachematrix.r
##
## makeCacheMatrix: creates special matrix for caching purposes
##
## cacheSolve: returns calculation of cached inversion of a matrix.
## makeCacheMatrix(x) --
## creates a special matrix, which is really a list containing a function to
## 1. set the value of the matrix
## 2. get the value of the matrix
## 3. set the value of the inversion of the matrix
## 4. get the value of the inversion of the matrix
makeCacheMatrix <- function(x = matrix()) {
m <- NULL
# Set Methods
set <- function(y) {
x <<- y
m <<- NULL
}
get <- function() x
setInverse <- function(solve) <<- solve
getInverse <- function() m
# Return a list of methods
list(set = set, get = get, setInverse = setInverse, getInverse = getInverse)
}
## cacheSolve(x) --
## calculates the inversion of a matrix. It first checks to see if a cached version exits (m)
## if so it returns that cached version. Otherwise it calculates the what the inversion should be and creates
## a cached copy.
cacheSolve <- function(x, ...) {
## Return a matrix that is the inverse of 'x'
m <- x$getInverse()
# Check if cached version exists
if(!is.null(m)) {
message("getting cached data")
return(m)
}
# Create and return cached inversion of matrix
matrix <- x$get()
m <- solve(matrix)
x$setInverse(m)
m
}