Re: Help-octave Digest, Vol 72, Issue 15w

[Journeaux, Ian]

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Sent: Tuesday, March 06, 2012 08:20 PM
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Subject: Help-octave Digest, Vol 72, Issue 15

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Today's Topics:

   1. Re: assist (Robinson, Melvin D)
   2. Re: control-2.3.50 released in package forum - please upload
      (Carn? Draug)
   3. Re: [OctDev] control-2.3.50 released in package forum -
      please upload (Lukas Reichlin)
   4. Re: [OctDev] control-2.3.50 released in package forum -
      please upload (Carn? Draug)
   5. xlread in 3.6.0  (Ming Lu)
   6. need help (joseph appau)


----------------------------------------------------------------------

Message: 1
Date: Tue, 6 Mar 2012 18:04:09 +0000
From: "Robinson, Melvin D" <address@hidden>
To: joseph appau <address@hidden>
Cc: "address@hidden" <address@hidden>
Subject: Re: assist
Message-ID: <address@hidden>
Content-Type: text/plain; charset="us-ascii"

Try this to start off:

x=0:.1:1;
y=2*x;
plot(x,y)

This will produce the line y=2x. You can play around a bit to learn more. Also 
do

help plot 

Melvin


On Mar 6, 2012, at 11:53 AM, "joseph appau" <address@hidden> wrote:

> 
> am new to the use of octave, is there any command to help me to plot graph of 
> a straight linr
> _______________________________________________
> Help-octave mailing list
> address@hidden
> https://mailman.cae.wisc.edu/listinfo/help-octave
> 



------------------------------

Message: 2
Date: Tue, 6 Mar 2012 19:48:38 +0000
From: Carn? Draug <address@hidden>
To: Lukas Reichlin <address@hidden>
Cc: Octave Forge <address@hidden>,      help-octave
        <address@hidden>
Subject: Re: control-2.3.50 released in package forum - please upload
Message-ID:
        <address@hidden>
Content-Type: text/plain; charset=ISO-8859-1

On 6 March 2012 14:23, Lukas Reichlin <address@hidden> wrote:
> Hi all,
>
> I've just posted control-2.3.50 (SVN Revision 9754) in the package forum [1]. 
> Please upload it to the server. The changes are listed in the NEWS file [2]. 
> The main features are frequency-weighted model and controller order reduction 
> tools as well as cleanup efforts under the hood.

Done. Just uploaded it to the server and updated the documentation.

Curious about one thing, why is the first release of the 2.3 version
the number 50? This also happened for the 2.1 version but not for 2.2.
Is this matching the octave core where odd numbers are development
releases? In that case, should 2.3.X releases be considered
development releases?

Carn?


------------------------------

Message: 3
Date: Tue, 6 Mar 2012 21:33:41 +0100
From: Lukas Reichlin <address@hidden>
To: Carn? Draug <address@hidden>
Cc: Octave Forge <address@hidden>,      help-octave
        <address@hidden>
Subject: Re: [OctDev] control-2.3.50 released in package forum -
        please upload
Message-ID: <address@hidden>
Content-Type: text/plain; charset=iso-8859-1

On 06.03.2012, at 20:48, Carn? Draug wrote:

> On 6 March 2012 14:23, Lukas Reichlin <address@hidden> wrote:
>> Hi all,
>> 
>> I've just posted control-2.3.50 (SVN Revision 9754) in the package forum 
>> [1]. Please upload it to the server. The changes are listed in the NEWS file 
>> [2]. The main features are frequency-weighted model and controller order 
>> reduction tools as well as cleanup efforts under the hood.
> 
> Done. Just uploaded it to the server and updated the documentation.
> 
> Curious about one thing, why is the first release of the 2.3 version
> the number 50? This also happened for the 2.1 version but not for 2.2.
> Is this matching the octave core where odd numbers are development
> releases? In that case, should 2.3.X releases be considered
> development releases?
> 
> Carn?

Well, I tried to use the octave core scheme. I use odd numbers (2.1.50-2.1.55) 
to add new features / make important changes. When I reached my goals, I 
release a package with an even number (2.2.0). It is followed by minor revision 
(2.2.1 - 2.2.5) for bugfixes and small additions. I am going to release 2.3.5* 
versions until my features for 2.4.0 are ready:
- model and controller reduction (done)
- clean up oct-files (done)
- "multiplot" feature
- system identification

There was a 2.1.5* release about every fortnight for people who wanted the 
latest features as soon as they became ready. Those who didn't want to install 
weekly updates could wait for 2.2.0. In general, there's no difference in 
quality between even and odd versions.

Do you think it is confusing? Shall I do it differently?

Regards,
Lukas

------------------------------

Message: 4
Date: Tue, 6 Mar 2012 20:57:15 +0000
From: Carn? Draug <address@hidden>
To: Lukas Reichlin <address@hidden>
Cc: Octave Forge <address@hidden>,      help-octave
        <address@hidden>
Subject: Re: [OctDev] control-2.3.50 released in package forum -
        please upload
Message-ID:
        <address@hidden>
Content-Type: text/plain; charset=ISO-8859-1

On 6 March 2012 20:33, Lukas Reichlin <address@hidden> wrote:
> On 06.03.2012, at 20:48, Carn? Draug wrote:
>
>> On 6 March 2012 14:23, Lukas Reichlin <address@hidden> wrote:
>>> Hi all,
>>>
>>> I've just posted control-2.3.50 (SVN Revision 9754) in the package forum 
>>> [1]. Please upload it to the server. The changes are listed in the NEWS 
>>> file [2]. The main features are frequency-weighted model and controller 
>>> order reduction tools as well as cleanup efforts under the hood.
>>
>> Done. Just uploaded it to the server and updated the documentation.
>>
>> Curious about one thing, why is the first release of the 2.3 version
>> the number 50? This also happened for the 2.1 version but not for 2.2.
>> Is this matching the octave core where odd numbers are development
>> releases? In that case, should 2.3.X releases be considered
>> development releases?
>>
>> Carn?
>
> Well, I tried to use the octave core scheme. I use odd numbers 
> (2.1.50-2.1.55) to add new features / make important changes. When I reached 
> my goals, I release a package with an even number (2.2.0). It is followed by 
> minor revision (2.2.1 - 2.2.5) for bugfixes and small additions. I am going 
> to release 2.3.5* versions until my features for 2.4.0 are ready:
> - model and controller reduction (done)
> - clean up oct-files (done)
> - "multiplot" feature
> - system identification
>
> There was a 2.1.5* release about every fortnight for people who wanted the 
> latest features as soon as they became ready. Those who didn't want to 
> install weekly updates could wait for 2.2.0. In general, there's no 
> difference in quality between even and odd versions.
>
> Do you think it is confusing? Shall I do it differently?

I think it's fine. But I don't think most users know about this
"rules" for reading the version numbers and are probably not even
aware of the odd number versions since they are not officially
released. I believe only the users that build octave from development
sources actually use them. For example, octave core NEWS has no
reference to the odd version numbers. I don't mind the numbers you use
and I understand them now but I don't think most users will. Maybe at
the very top of the NEWS file you could explain this in 2 lines.

As with the octave core users who know about those release numbers
(want the very latest code) are the ones who build from development
sources, the ones who want the latests from control, are probably
building from development source as well.

Carn?


------------------------------

Message: 5
Date: Tue, 6 Mar 2012 22:00:57 +0000
From: Ming Lu <address@hidden>
To: "address@hidden" <address@hidden>
Subject: xlread in 3.6.0 
Message-ID:
        <address@hidden>
Content-Type: text/plain; charset="us-ascii"

Hi Everyone,

I used xlread in 3.4.3 to read some Excel 2007 xlsm files with no problem, but 
the same code doesn't work in 3.6.0 anymore. The error is as following:
Detected interfaces: not working.
POI (& OOXML)*; JXL; OXS; (* = active interface)
Couldn't open file xxxxxxx.xlsm using POI;
error: JXL can only read reliably from .xls files

anyone knows how to fix this? Thanks.
Ming
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Message: 6
Date: Wed, 7 Mar 2012 01:53:38 +0000 (GMT)
From: joseph appau <address@hidden>
To: address@hidden
Subject: need help
Message-ID:
        <address@hidden>
Content-Type: text/plain; charset=utf-8


all the command given to me is not working


------------------------------

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