bugGNU Octave - Bugs: bug #53502, Wish: FAQ for commonly encountered...

 
 

bug #53502: Wish: FAQ for commonly encountered problems for new Octave users

Submitted by:  Rik <rik5>
Submitted on:  Wed 28 Mar 2018 06:02:09 PM UTC  
 
Category:  Documentation Severity:  1 - Wish
Priority:  5 - Normal Item Group:  Documentation
Status:  None Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  dev Operating System:  Any

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Wed 28 Mar 2018 06:50:45 PM UTC, comment #5:

Thank you Jwe.
One other thing can be added is, what things should be considered
as a bug. I know it's impossible but some examples can be given.

Dildar Sk <hodor123456>
Wed 28 Mar 2018 06:40:27 PM UTC, comment #4:

Dildar: If you expand the "Mail Notification Carbon-Copy List" item in the bug tracker on the web, then you should see the list of people who are notified by mail in addition to those people subscribed to the bug tracker mailing list.

John W. Eaton <jwe>
Project Administrator
Wed 28 Mar 2018 06:37:58 PM UTC, comment #3:

Why is 1837.24+603.14 displayed as 2440.4 instead of 2440.38

Other floating point issues like 7/3 - (1/3)*7 != 0 or sin (pi) != 0.

Note that there may already be issues like this in the FAQ, but it might be useful to group them together, or have a list of the items pointing to the relevant sections. I don't expect new uesrs will actually find and read the FAQ before reporting problems, but maybe we can remember that it exists and point them to it when there are reports about these kinds of issues.

John W. Eaton <jwe>
Project Administrator
Wed 28 Mar 2018 06:33:14 PM UTC, comment #2:

By the way, I don't know why a mail is sent to me regarding this bug report. Am I tagged here or something like that?

Dildar Sk <hodor123456>
Wed 28 Mar 2018 06:05:30 PM UTC, comment #1:

6) Lazy evaluation of ranges and how and when they are expanded into vectors

Mike Miller <mtmiller>
Project Administrator
Wed 28 Mar 2018 06:02:09 PM UTC, original submission:

There are some frequently encountered issues that new Octave users stumble over. Some of these are related to the difference between pure math and numerical computing such as a signed zero (-0). Others are related to the differences in philosophy between Matlab (where many users start) and Octave. It has been suggested that expanding the documentation to have a FAQ on these issues would be helpful. An initial list of topic is

1) Inf * i ==> (NaN + InfI)

2) Computation and display of -0

3) Comparison of complex numbers with <, <=, >, >= vs. min and max functions

4) String class vs. character arrays

5) What it means for Octave to be compatible with Matlab

Rik <rik5>
Project Administrator

 

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  • -email is unavailable- added by rik5 (Submitted the item)
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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-03-28 rik5 Carbon-Copy- => Added hodor123456
        Carbon-Copy- => Added jwe
        Carbon-Copy- => Added mleitner

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