forked from rdpeng/ProgrammingAssignment2
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathlexical_scope.R
More file actions
37 lines (31 loc) · 900 Bytes
/
lexical_scope.R
File metadata and controls
37 lines (31 loc) · 900 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
## Put comments here that give an overall description of what your
## functions do
## Write a short comment describing this function
makeCacheMatrix <- function(x = matrix()) {
#initializing the varables to null
j <- NULL
# creating a function set with one argument
set <-function(y){
x <<-NULL
}
#get function returns the inverse of matrix
get <- function()x
setI <- function(inverse) j<<-inverse
getI<- function() j
list(set=set,get=get,setI=setI,getI,getI)
}
## Write a short comment describing this function
cacheSolve <- function(x, ...) {
## Return a matrix that is the inverse of 'x'
#calling getI function from makecachematrix
j <- x$getI()
# if the matrix is not null then if prints the message and return the inverse element
if(!null(j)){
message("getting cached data")
return(j)
}
mat <-x$get()
j<-solve(mat,...)
x$setI(j)
j
}