Bug SS-2338
1 vote

Wrong integration
Created by Dham on 5/7/2016 3:31 AM Last Updated by Davide on 8/19/2016 12:04 PM
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Logged: 0   (hrs)

 Description

Hello, Andrey,

I've found a somewhat dangerous bug:

https://www.dropbox.com/s/v4854qq73ci7qmm/Captura%20de%20tela%202016-05-06%2019.54.49.png?dl=0

As you can see in the screenshot, the calculation of integrals with big resulting numbers gave a wrong result. (Scilab gave the same result as my Casio fx-991EX calculator, but in engineering notation).

I'm not sure if I set up the new issue correctly, sorry if there were any mistakes.

Best Regards,

 

Danilo Monteiro

Mechanical Engineer

Brazil
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    Davide (Saturday, May 7, 2016 11:17 AM) #

This depends on the accuracy of the integration. You heve to setup it under Tools > Options... > Calculation > Integrals: accuracy

Using an higher precison than the default (e.g. 1000 instead of 100), you can archieve a better result.

If you share the document through different machines, I suggest to make an annotation at the beginning of the document to remember the user who run the worksheet to setup properly this property (this is a good practice in general, you may change this property in other documents, have something to remember this dependancy is always a good thing).