forked from rdpeng/ProgrammingAssignment2
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathcachematrix.R
More file actions
45 lines (34 loc) · 816 Bytes
/
cachematrix.R
File metadata and controls
45 lines (34 loc) · 816 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
## This pair of function are handling caching of matrix inversions
## make matrix inversion cache
makeCacheMatrix <- function(x = matrix()) {
cache <- NULL
set <- function(y) {
x <<- y
cache <<- NULL
}
get <- function() {
x
}
setinverted <- function(inverted) {
cache <<- inverted
}
getinverted <- function() {
cache
}
list(set = set,
get = get,
setinverted = setinverted,
getinverted = getinverted)
}
## solve inversion from matrix cache (count it if missing)
cacheSolve <- function(x, ...) {
## Return a matrix that is the inverse of 'x'
inverted <- x$getinverted()
if (!is.null(inverted)) {
message("getting cached data")
} else {
inverted <- solve(x$get(), ...)
x$setinverted(inverted)
}
inverted
}