Problem 1702. Maximum value in a matrix

Created by Gnaneswar Nadh satapathi

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<div style = "text-align: start; line-height: 20px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: normal; text-decoration: none; white-space: normal; "><div style="display: block; min-width: 0px; padding-top: 0px; transform-origin: 332px 56px; vertical-align: baseline; perspective-origin: 332px 56px; "><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; transform-origin: 309px 10.5px; white-space: pre-wrap; perspective-origin: 309px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">Find the maximum value in the given matrix.</span></span></div><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; transform-origin: 309px 10.5px; white-space: pre-wrap; perspective-origin: 309px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">For example, if</span></span></div><div style="background-color: rgb(247, 247, 247); border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; border-top-left-radius: 4px; border-top-right-radius: 4px; margin-bottom: 10px; margin-left: 3px; margin-right: 3px; margin-top: 10px; transform-origin: 329px 10px; perspective-origin: 329px 10px; margin-left: 3px; margin-top: 10px; margin-bottom: 10px; margin-right: 3px; "><div style="background-color: rgba(0, 0, 0, 0); border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-left-color: rgb(233, 233, 233); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(233, 233, 233); border-right-style: solid; border-right-width: 1px; border-top-left-radius: 0px; border-top-right-radius: 0px; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; min-height: 18px; padding-left: 4px; white-space: nowrap; "><span style="border-left-color: rgb(0, 0, 0); border-left-style: none; border-left-width: 0px; border-right-color: rgb(0, 0, 0); border-right-style: none; border-right-width: 0px; display: inline; margin-right: 45px; min-height: 0px; padding-left: 0px; tab-size: 4; transform-origin: 0px 0px; white-space: pre; perspective-origin: 0px 0px; margin-right: 45px; "><span style="margin-right: 0px; "> A = [1 2 3; 4 7 8; 0 9 1];</span></span></div></div><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 10px; text-align: left; transform-origin: 309px 10.5px; white-space: pre-wrap; perspective-origin: 309px 10.5px; margin-left: 4px; margin-top: 10px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; transform-origin: 0px 0px; perspective-origin: 0px 0px; "><span style="">then the answer is 9.</span></span></div></div></div>

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Solution Stats

26088 Solutions
10303 Solvers

Last Solution submitted on Feb 01, 2023

Last 200 Solutions

Problem Comments

16 Comments

16 Comments

Show 13 older comments

Ed Rasmussen on 8 Feb 2017

I think it's best not to have a working solution already entered by default, but maybe that's just me.

asa czylabson on 30 Jan 2019

@author: please remove the solution for this very easy "problem"

Jyothsna Chintala on 21 Apr 2020

good

S. Walter on 14 May 2020

I agree with Ed, the solution is already given in the problem, which defeats the purpose of it.

goc3 on 28 Sep 2020

The solution has been removed from the default function.

Abhay H Kashyap on 1 Oct 2020

good

Nicholas Bitler on 26 Nov 2020

I like it

Yousef Aldawodi on 12 Dec 2020

pretty good

Richard Karapandi on 12 Dec 2020

good problem

Samantha Biederwolf on 28 Apr 2021

great problem!

john perkins on 4 May 2021

nice problem!

Chase Casler on 5 May 2021

great problem

Marabelle DeLaurentis on 2 Dec 2021

good problem!

Joshua Broadt on 12 Dec 2021

oh ight

Julia Furst on 13 Dec 2021

cool

Melanie on 27 Nov 2022

difficult problem to start!

Solution Comments

Solution 9734258

1 Comment

1 Comment

Shu on 10 Nov 2022

An easy one.

Solution 6810795

1 Comment

1 Comment

Josh Klueber on 2 Nov 2021

was confused on finding the max of a matrix versus an array

Solution 6210677

1 Comment

1 Comment

Awais Saeed on 5 Aug 2021

arguments of max() for vectors and matrices are different.

Solution 4004503

2 Comments

2 Comments

Michelle Zheng on 4 Dec 2020

If you change the function name, MATLAB will return incorrect.

Isabella Stellitano on 26 Oct 2021

GOOD

Solution 3029398

2 Comments

2 Comments

Tatjana Dulinskiene on 2 Oct 2020

I like this task

Ariadna Walsh on 15 Dec 2020

WHAT DO YOU LIKE ABOUT IT

Solution 2650568

1 Comment

1 Comment

evan muas on 4 Jul 2020

max(X) gives the largest elements for each row. To traverse the whole matrix, convert it to a column,X(:), then take its max, max(X(:))

Solution 2132896

1 Comment

1 Comment

Aditya Kahol on 1 Oct 2020

It's always disappointing to look at the best solution in cody, please rectify these errors.

Solution 1242980

1 Comment

1 Comment

Ben Cappello on 31 Jul 2017

minecraft

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Problem 1702. Maximum value in a matrix

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Problem 1702. Maximum value in a matrix

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Last 200 Solutions

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Problem Recent Solvers10303

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