Re: why has octave started closing the second octave's window opens?

[Ben Abbott]

On Jan 23, 2012, at 1:54 PM, Macy wrote:

> --- address@hidden wrote:
> 
> From: Jordi Gutiérrez Hermoso <address@hidden>
> To: Macy <address@hidden>
> Cc: address@hidden
> Subject: Re: why has octave started closing the second octave's window opens?
> Date: Mon, 23 Jan 2012 12:23:22 -0500
> 
> On 23 January 2012 11:22, Macy <address@hidden> wrote:
> 
>> please don't waste time telling me to upgrade to octave xxx, because
>> I need octave 2.1.50 for all those great plot functions, and SPEED,
>> that are now GONE!!!
> 
> Please don't waste time telling us to support obsolete versions of
> Octave.
> 
> Instead, tell us which great plot functions and speed are missing in
> the latest version.
> 
> - Jordi G. H.
> BACKWARD COMPATIBILITY IS MISSING:
> I have over 100 complex entertwined programs that use the 'old'
> gnuplot routines for setting colors and setting ranges and setting
> overlays, even by their very nature of update timing create smooth
> 'virtual' videos.
> One example of custom plotting routine, plot a complex function as a
> line floating in space, with proper proportions etc. can rotate the
> line around to view along the time line, or tilt and view the
> real-complex values [cannot do this with new plot functions, updates
> are too slow]
> 
> because....PLOT SPEED IS SLOW
> example of slow speed:
> for me, this command creates a great, manipulateable(sp?) 3D display
>> gsplot randn(250,200);
> which can be moved around with mouse, rotated, tilted, etc. Although
> delay for update to any position change is noticeable, more like
> hesitation, delay is acceptible.
> 
> New plot routine is so slow that it yields the EXACT same speed with
> only a 25 by 25 matrix. When bogs down, display is rendered useless
> during a transition! Plus, 25 by 25 is too coarse for my work.
> 
> An outstanding example, the 'Mexican Hat' in octave's example with
> only 25 by 25 takes many seconds to update with the slightest shift.
> The delay [and useless interim display] are real nuisances when
> looking for subtle traits in my results.
> 
> So, why does octave open then close?  how do I know the latest
> wouldn't do the same?
> 
> - Robert

As of Octave 3.0, compatibility with Matlab was adopted, and backward 
compatibility with Octave 2.x was dropped.

No one on this list will be able to duplicate your problem.

You've mentioned a sequence of events that resulted in your Octave 2.1.50 
crashing. I recommend you reverse those one at a time until you can isolate the 
problem. My guess is that you've updated a library that Octave links to and 
that that library is not backward compatible.

Just to be sure the problem isn't something trivial, what do you do to run 
Octave ?

Ben