From 80555877893bdf083b03a5404058851605536d3a Mon Sep 17 00:00:00 2001 From: abhishek363699 Date: Mon, 18 Aug 2025 11:18:39 +0530 Subject: [PATCH] Update cachematrix.R created makeCacheMatrix and cacheSolve --- cachematrix.R | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/cachematrix.R b/cachematrix.R index a50be65aa44..ba988ca6753 100644 --- a/cachematrix.R +++ b/cachematrix.R @@ -4,12 +4,30 @@ ## Write a short comment describing this function makeCacheMatrix <- function(x = matrix()) { - + inv <- NULL + set <- function(y) { + x <<- y + inv <<- NULL + } + get <- function() x + setinverse <- function(inverse) inv <<- inverse + getinverse <- function() inv + list(set = set, get = get, + setinverse = setinverse, + getinverse = getinverse) } ## Write a short comment describing this function cacheSolve <- function(x, ...) { - ## Return a matrix that is the inverse of 'x' + inv <- x$getinverse() + if(!is.null(inv)) { + message("getting cached inverse") + return(inv) + } + data <- x$get() + inv <- solve(data, ...) + x$setinverse(inv) + inv }