forked from rdpeng/ProgrammingAssignment2
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathcachematrix.R
39 lines (34 loc) · 972 Bytes
/
cachematrix.R
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
## Put comments here that give an overall description of what your
## functions do
## Write a short comment describing this function
makeCacheMatrix <- function(x = matrix()) {
cache <- NULL
setmatrix <- function(y){
x <<- y
cache <<- NULL
}
## set the value of matrix
getmatrix <- function() x
## get the value of matrix
cacheinverse <- function(inverse) cache <<- inverse
## set the matrix inverse as cache
getinverse <- function() cache
## get the cache value
list(setmatrix = setmatrix, getmatrix = getmatrix, cacheinverse = cacheinverse, getinverse = getinverse)
## return the list
}
## Write a short comment describing this function
cacheSolve <- function(x, ...) {
inverse <- x$getinverse()
##get the cache value
if(!is.null(inverse)){
message("getting cached data")
return(inverse)
## return the cache value if it exists
}
data <- x$getmatrix()
inverse <- solve(data)
x$cachemnverse(inverse)
inverse
## Return a matrix that is the inverse of 'x'
}