Problem 564. How to subtract?

Created by AMITAVA BISWAS

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8199 Solutions
1486 Solvers

Last Solution submitted on Jan 11, 2023

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7 Comments

7 Comments

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Mohamed Atyya on 30 Oct 2017

good

nipun garg on 8 Jun 2018

function z = mysub(x,y)
z = num2str( str2num(x) - str2num(y) );
end

why this is not working for this code?

Matt Offredi on 8 Mar 2019

Nice

Mark Sanderson on 14 Mar 2019

Hi. My code only prints out '-' for a negative number but not '+' for a positive. Can anyone help? function Z = mysub(X,Y); W = (str2num(X))-(str2num(Y)); Z = num2str(W); end

Rafael S.T. Vieira on 2 Jul 2020

actually each of them has 14 characters or less...15 if we count the signs.

Rafael S.T. Vieira on 2 Jul 2020

Mark Sanderson, if W > 0 Z = ['+' ...]

Valeriu Mihailov on 28 May 2022

how about solving this problem but not using any conversion functions like num2str , str2num , str2double ...

Solution Comments

Solution 2178846

1 Comment

1 Comment

Maryam HCTRAK Yousef on 28 Mar 2020

piece of cake

Solution 1641172

1 Comment

1 Comment

wu on 10 Oct 2018

+-=

Solution 1596845

1 Comment

1 Comment

A C on 31 Jul 2018

string to double and sprintf

Solution 1355159

1 Comment

1 Comment

Giuseppe Ridinò on 23 Nov 2017

Need to calculate the difference ... not the sum! :)

Solution 1312264

1 Comment

1 Comment

Looky on 24 Oct 2017

Sorry for this...just had to try regexp. Somehow, the size of this is calculated completly wrong.....

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Problem 564. How to subtract?

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Problem 564. How to subtract?

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