## makeCacheMatrix function creates a "matrix" object that caches it… #2235
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…s inverse. #1. set value of the matrix rdpeng#2. get value of the matrix rdpeng#3. set value of the inverse rdpeng#4. get value of the inversemakeCacheMatrix <- function(x = matrix()) { j <- NULL set <- function(y) { x <<- y j <<- NULL } get <- function() x setinverse <- function(solve) j <<- solve getinverse <- function() j list(set = set, get = get, setinverse = setinverse, getinverse = getinverse) } ## `cacheSolve` function computes the inverse of the "matrix" returned by `makeCacheMatrix` above. #If the inverse has already been calculated (and the matrix has not changed), then`cacheSolve` should retrieve the inverse from the cache. ## when giving: Error in x$getinverse : $ operator is invalid for atomic vectors cachesolve <- function(x, ...) { i<- x$getinverse() if(!is.null(j)) { message("getting cached data") return(j) } data <- x$get() j<- solve(data, ...) x$setinverse(j) j } ## makeCacheMatrix function creates a "matrix" object that caches its inverse. #1. set value of the matrix rdpeng#2. get value of the matrix rdpeng#3. set value of the inverse rdpeng#4. get value of the inversemakeCacheMatrix <- function(x = matrix()) { j <- NULL set <- function(y) { x <<- y j <<- NULL } get <- function() x setinverse <- function(solve) j <<- solve getinverse <- function() j list(set = set, get = get, setinverse = setinverse, getinverse = getinverse) } ## `cacheSolve` function computes the inverse of the "matrix" returned by `makeCacheMatrix` above. #If the inverse has already been calculated (and the matrix has not changed), then`cacheSolve` should retrieve the inverse from the cache. ## when giving: Error in x$getinverse : $ operator is invalid for atomic vectors cachesolve <- function(x, ...) { i<- x$getinverse() if(!is.null(j)) { message("getting cached data") return(j) } data <- x$get() j<- solve(data, ...) x$setinverse(j) j }
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…s inverse. #1. set value of the matrix #2. get value of the matrix #3. set value of the inverse #4. get value of the inversemakeCacheMatrix <- function(x = matrix()) { j <- NULL set <- function(y) { x <<- y j <<- NULL } get <- function() x setinverse <- function(solve) j <<- solve getinverse <- function() j list(set = set, get = get, setinverse = setinverse, getinverse = getinverse) } ##
cacheSolvefunction computes the inverse of the "matrix" returned bymakeCacheMatrixabove. #If the inverse has already been calculated (and the matrix has not changed), thencacheSolveshould retrieve the inverse from the cache. ## when giving: Error in x$getinverse : $ operator is invalid for atomic vectors cachesolve <- function(x, ...) { i<- x$getinverse() if(!is.null(j)) { message("getting cached data") return(j) } data <- x$get() j<- solve(data, ...) x$setinverse(j) j }makeCacheMatrix function creates a "matrix" object that caches its inverse.
#1. set value of the matrix
#2. get value of the matrix
#3. set value of the inverse
#4. get value of the inversemakeCacheMatrix <- function(x = matrix()) {
}
cacheSolvefunction computes the inverse of the "matrix" returned bymakeCacheMatrixabove.If the inverse has already been calculated (and the matrix has not changed), then
cacheSolveshould retrieve the inverse from the cache.when giving: Error in x$getinverse : $ operator is invalid for atomic vectors
cachesolve <- function(x, ...) {
i<- x$getinverse()
if(!is.null(j)) {
message("getting cached data")
return(j)
}
data <- x$get()
j<- solve(data, ...)
x$setinverse(j)
j
}