Problem 42590. Divide elements by sum of elements

Created by Mehmet OZC

Solve Later

In this problem, I ask you to write a function which will divide the elements of each column by the sum of the elements of the same column.

Results should have 2 significant digits.

You cannot use for/while loops.

Solve

Solution Stats

217 Solutions
73 Solvers

Last Solution submitted on May 15, 2020

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

Jihye Sofia Seo on 11 Feb 2017

Very nice exercise!

Justin Palaka on 26 Jun 2018

Good use of unfamiliar MATLAB functions!

ME on 9 Oct 2019

Slight error in the problem definition. The solutions require two decimal places not two significant figures!

Solution Comments

Solution 733871

3 Comments

3 Comments

Jean-Marie Sainthillier on 11 Sep 2015

It seems that we can't use the ans trick. It's new no ?

Alfonso Nieto-Castanon on 11 Sep 2015

wow, yes, it seems the last valid solution with ans trick was just a few hours ago, wonder if this is a temporary glitch or a "permanent" fix?

Jean-Marie Sainthillier on 14 Sep 2015

Yes, release 2015b is the cause of that. I can observe the same think with my update.

Problem Recent Solvers73

Problem Tags

division matrix manipulation

Problem 42590. Divide elements by sum of elements

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers73

Suggested Problems

More from this Author59

Problem Tags

Problem 42590. Divide elements by sum of elements

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers73

Suggested Problems

More from this Author59

Problem Tags

Players