code.R

R version 3.3.2 (2016-10-31) -- "Sincere Pumpkin Patch"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)

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>  makeMatrix <- function(x = matrix()) {
+      MATINVE <- NULL
+      set <- function(y) {
+          x <<- y
+          MATINVE <<- NULL
+      }
+      get <- function() x
+      setinverse <- function(inverse) MATINVE <<- inverse
+      getinverse <- function() MATINVE 
+      list(set=set, get=get, setinverse=setinverse, getinverse=getinverse)
+  }
>  
>  
>  
>  
>  
>  cachematrix <- function(x, ...) {
+      MATINVE <- x$getinverse()
+      if(!is.null(MATINVE )) {
+          message("getting cached matrix data.")
+          return(MATINVE )
+      }
+      data <- x$get()
+      MATINVE<- solve(data)
+      x$setinverse(MATINVE)
+      MATINVE 
+  }
> x<-rbind(c(1,2,3),c(0,1,5),c(5,6,0)).
Error: unexpected symbol in "x<-rbind(c(1,2,3),c(0,1,5),c(5,6,0))."
> x<-rbind(c(1,2,3),c(0,1,5),c(5,6,0))
> x
     [,1] [,2] [,3]
[1,]    1    2    3
[2,]    0    1    5
[3,]    5    6    0
> m=makeMatrix(x)
> m$get()
     [,1] [,2] [,3]
[1,]    1    2    3
[2,]    0    1    5
[3,]    5    6    0
> cachematrix(m)
     [,1] [,2] [,3]
[1,]   -6  3.6  1.4
[2,]    5 -3.0 -1.0
[3,]   -1  0.8  0.2
> cachematrix(m)
getting cached matrix data.
     [,1] [,2] [,3]
[1,]   -6  3.6  1.4
[2,]    5 -3.0 -1.0
[3,]   -1  0.8  0.2
>