From 48825a3cc92acaf825e09bd4175c9940afc3dabc Mon Sep 17 00:00:00 2001
From: dalawad <duha.awad@bcchr.ca>
Date: Tue, 8 Apr 2025 21:26:08 -0700
Subject: [PATCH 1/2] completed function

---
 cachematrix.R | 39 +++++++++++++++++++++++++++++----------
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/cachematrix.R b/cachematrix.R
index a50be65aa44..02191d815db 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -1,15 +1,34 @@
-## Put comments here that give an overall description of what your
-## functions do
+# This script does 2 things: 
+# 1. it stores data into an object and initializes a "storage space" for a computation performed on said data
+# 2. it performs computation on the vector, returns an answer, and stores the answer in the storage space
 
-## Write a short comment describing this function
-
-makeCacheMatrix <- function(x = matrix()) {
+################################################################################
+# Assignment 2
+################################################################################
 
+makeCacheMatrix <- function(x = matrix()) { # The function where data is stored and "stotage" or cache is initialized
+  inv <- NULL
+  set <- function(y) {
+    x <<- y
+    m <<- NULL
+  }
+  get <- function() x
+  setinv <- function(inverse) inv <<- inverse
+  getinv <- function() inv
+  list(set = set, get = get,
+       setinv = setinv,
+       getinv = getinv)
 }
 
-
-## Write a short comment describing this function
-
-cacheSolve <- function(x, ...) {
-        ## Return a matrix that is the inverse of 'x'
+cacheSolve <- function(x, ...) { # A function that solves the inverse of a matrix 'x', the inverse is stored in makeCasheMatrix for fast retrival
+  inv <- x$getinv()
+  if(!is.null(inv)) {
+    message("getting cached data")
+    return(inv)
+  }
+  data <- x$get()
+  inv <- solve(data, ...)
+  x$setinv(inv)
+  inv
 }
+

From d90d8c79439cf7f4cd065aa725a3cce22c7cd566 Mon Sep 17 00:00:00 2001
From: dalawad <duha.awad@bcchr.ca>
Date: Wed, 9 Apr 2025 11:52:42 -0700
Subject: [PATCH 2/2] Update cachematrix.R

updated script. Naming correction (m to inv)
---
 cachematrix.R | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cachematrix.R b/cachematrix.R
index 02191d815db..9c0b3608767 100644
--- a/cachematrix.R
+++ b/cachematrix.R
@@ -10,7 +10,7 @@ makeCacheMatrix <- function(x = matrix()) { # The function where data is stored
   inv <- NULL
   set <- function(y) {
     x <<- y
-    m <<- NULL
+    inv <<- NULL
   }
   get <- function() x
   setinv <- function(inverse) inv <<- inverse
@@ -23,7 +23,7 @@ makeCacheMatrix <- function(x = matrix()) { # The function where data is stored
 cacheSolve <- function(x, ...) { # A function that solves the inverse of a matrix 'x', the inverse is stored in makeCasheMatrix for fast retrival
   inv <- x$getinv()
   if(!is.null(inv)) {
-    message("getting cached data")
+    message("getting cached inverse")
     return(inv)
   }
   data <- x$get()