GNU Octave is a high-level interpreted language, primarily intended for numerical computations.

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installing octave on OS X - get error and not sure how to fix

I have done a brew update && brew upgrade and brew install octave --without-docs afte a while I get: patching file libgui/qterminal/libqterminal/unix/ExtendedDefaultTranslator_mac.h ...
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Error on “brew tap homebrew/science”: Could not resolve host: github.com

When I try to execute the following command: brew tap homebrew/science I get the following error: Cloning into '/usr/local/Library/Taps/homebrew-science'... fatal: unable to access ...
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57 views

Minimum packages required for Ubuntu Server to run Octave 3.8.x with GUI

I have a Ubuntu 14.0 server with no graphical interface. I created this server only to use Octave on it. Now that there is a GUI for the recent version of Octave 3.8.x available I wanna know what is ...
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wavwrite function usage, Octave

Hey just to continue the thread would like to ask you something about wavwrite. I am trying to get a mat file (T01DATA.mat) to be played. Tryed with sound() with no actual solution; thanks to you I ...
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I downloaded a different version of Octave and new it will not work inside emacs

I downloaded a different version of GNU Octave and now it will not work inside emacs. To run it in a typical terminal window, I can just execute octave3.8. I believe the solution would be as simple as ...
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2answers
138 views

How to disabe the beep in Octave 3.8.0 GUI on Windows 7

The octave 3.8.0 experimental GUI is producing a warning beep in the console if, e.g. tab is pressed and there's no unique way to continue the typed command. How do I disable this beep? Under 3.6.4, ...
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1answer
124 views

Why does emacs start out with such a goofy tab spacing here?

This appears on a Linux version of emacs 24.3.1. Fire up a buffer, enter octave-mode (you may need to install from package), and enter something like this: function foo = bar(x,y) Now, if you go ...
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Install octave with homebrew get NO GUI

I have installed Octave with homebrew. Now if I launch from the terminal the command octave it get me a shell but now a gui: ~ octave GNU Octave, version 3.8.0 Copyright (C) 2013 John W. Eaton and ...
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842 views

Install octave using homebrew

I found a blog on how to do this here https://www.nesono.com/node/356 but when I do brew install octave I get Error: No available formula for octave I am on Mountain Lion 10.8.5
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PAGER('/dev/null'): permission denied

Setting PAGER to /dev/null as suggested through the net to prevent every command being printed in stdout issues an error under OS X 10.6: octave:1> PAGER('/dev/null'); octave:2> 1 sh: ...
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26 views

How to change Octave's gfortran lib path?

My install of octave wants to use a version of a gfortran library that no longer exists due to an upgrade. I've symlinked the newer version to the older location to get things working, but I'd feel ...
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343 views

Exporting plot as vector graphics in Octave or matlab

I know I can export a plot in octave as a PNG but is it possible to export a plot as a vector graphic image? The reason I ask is that some of the points on my plot are very close together and I would ...
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1answer
186 views

Switching between readline editing-modes in GNU octave

When punching away at the keyboard on the octave command line, I sometimes find that the various readline shortcuts stop working, e.g. C-a and C-e just insert ^A and ^E. It took me a while to realize ...
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2answers
1k views

Octave's sound() function

I apologize if this has been covered before but I am required to study Octave at my university. The way they're going through the exercises, they already assume that sound() works with Octave out of ...
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461 views

Octave Install Error on Mac OSX 10.7.5 (using homebrew)

I am trying to install octave on my mac air I have updated my homebrew, as is my XCode and its command line tools. Here is the error I am getting: ==> Using Homebrew-provided fortran compiler. ...
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345 views

How to input 64-bit hex values in octave

I'm trying to use Octave as a programmer's calculator. I want to input a 64-bit pointer, but when I do apparently the 64-bit value gets silently truncated to 32-bit: octave:44> ...
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3answers
194 views

Software to draw graphics with millions of “measurements” [closed]

In my trading software I generate a file like the following: 10:00:00.0000001 1.25333 ........................... ........................... 14:58:48.5024961 1.23456 14:58:48.5024987 ...
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353 views

In what (small) ways can I modify Octave's compile options to enhance it without breaking it?

If the title to this question seems a bit vague, I am sorry. But I wasn't sure how to distill what I am attempting to do into a single sentence. A few weeks back I learned that I could build and ...
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1answer
283 views

Can I install Octave under Windows 7 without admin rights?

Can I install Octave under Windows 7 without admin rights? There are similar questions on Linux, but this is about Windows 7.
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1answer
495 views

Package dependency error message when install octave on RedHat linux

Hi I tried to install octave on my RedHat 5 Linux. I typed command as yum install octave Then, it complained as following : gcc-gfortran-4.1.2-44.el5.x86_64 from installed has depsolving problems ...
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2answers
4k views

Software GNUPlot not launching from GNU Octave

I'm trying to launch GNUPlot from Octave, but when I do I get the following error: octave-3.4.0:3> plot(x,y) dyld: Library not loaded: /usr/X11/lib/libfreetype.6.dylib Referenced from: ...
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2answers
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How do I run a Linux shell command from Octave?

I want to run commands like pdflatex and cp from an octave script. Is there a way to do that?
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1answer
159 views

Conditional variables depending on whether Matlab or Octave is running the code

I have written some code for Matlab/Octave. Basically, they have the same syntax and everything, but, for example, they have different functions for optimization (linprog/glpk,quadprog/qp). I want ...
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518 views

Installing Octave on Red Hat

I am trying to reinstall Octave on Red Hat. I currently have Octave 2.4 installed on the computer, but it is too old and some of my scripts are not running. On the Octave wiki it says: Octave is ...
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276 views

Why does the expression exp(i*pi) return the wrong result in GNU Octave?

I started to learn GNU Octave today, and tried the first expression given in the manual exp(i*pi) The result is ans = -1.0000e+000 + 1.2246e-016i And it seems GNU Scientific Library gives ...
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1answer
2k views

Completely remove/ uninstall Octave from my mac machine

Does anyone have any idea how I can completely remove/delete/uninstall all trace of Octave from my mac machine? Preferably via Terminal in a very swift action? Thanks,
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3answers
2k views

3D plotting in Ubuntu

I have Ubuntu 10.10 installed and need to plot 3D graphic. I have installed several free applications available in the repository, like QtiPlot and GNU Octave. I have found out and created the ...
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2answers
2k views

Displaying a sequence of images in Linux

I'm generating a sequence of images saved as .PNG files on disk, labelled say plot001.png, plot002.png, plot003.png. These are actually saved plots from Octave, a scientific data ...
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1answer
167 views

Octave: refer to output like %10 in Mathematica?

I want to reuse values. Is there a similar functionality as %10 of Mathematica in Octave? octave:18> 3/log (2) ans = 4.32808512266689 octave:19> % //how to output 4.328.... ...
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1k views

Octave: Precise value in Decimal or Continuous Fraction for 729 / 4^3 [closed]

I get the approximation: >> 729 / 4^3 11.391 Is there some function to get more precise approximation?
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3answers
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Octave: how to do binary calculations?

What is the Octave NaN for? Is dot wrong delimiter? >> bin2dec ('10.1') ans = NaN
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GNU Octave: How to change base from DEC to BIN?

I need to do many binary calculations of the form: 10.1^(1/11) base 2 10.001^(1/11) base 2 10.0001^(1/11) base 2 10.00001^(1/11) base 2 10.000001^(1/11) base 2 ... where 1/11 base 2 = 1/3 base 10. ...