R programming assignment 2

rchughtai · rchughtai · commit 500f18ebe2a9 · 2015-01-25T15:06:41.000-07:00
diff --git a/cachematrix.R b/cachematrix.R
@@ -1,15 +1,26 @@
 ## Put comments here that give an overall description of what your
-## functions do
-
-## Write a short comment describing this function
-
 makeCacheMatrix <- function(x = matrix()) {
-
+  m<-NULL
+  set<-function(y){
+  x<<-y
+  m<<-NULL
+}
+get<-function() x
+setmatrix<-function(solve) m<<- solve
+getmatrix<-function() m
+list(set=set, get=get,
+   setmatrix=setmatrix,
+   getmatrix=getmatrix)
 }
 
-
-## Write a short comment describing this function
-
-cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+cacheSolve <- function(x=matrix(), ...) {
+    m<-x$getmatrix()
+    if(!is.null(m)){
+      message("getting cached data")
+      return(m)
+    }
+    matrix<-x$get()
+    m<-solve(matrix, ...)
+    x$setmatrix(m)
+    m
 }
