Questions tagged [mathlink-or-wstp]
MathLink is a suite of Mathematica functions that implement a protocol for the communication/interfacing of Mathematica with external programs.
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Minimal effort method for integrating C++ functions into Mathematica
Update: While at the time of writing the question loading DLLs with .NET/Link seemed easier, now I always use LibraryLink, which I recommend to anyone with a similar problem!
As of Mathematica 8, ...
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6
answers
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How to use Mathematica functions in Python programs?
I'd like to know how can I call Mathematica functions from Python.
I appreciate a example, for example, using the Mathematica function Prime.
I had search about MathLink but how to use it in Python ...
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answer
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Transferring a large amount of data in parallel calculations
Bug fixed in version 11.1
Functions like MemberQ, FreeQ, etc. no longer unpack. Yay!
This question is inspired by one of @...
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Calling IronPython code from Mathematica
I'd like to call some IronPython code from Mathematica using .NET/Link.
The problem is that the code lives in .py files, yet from Mathematica I can only load .NET assemblies which are DLLs.
So it ...
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2
answers
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What is the complete list of valid FrontEnd Packet types?
In response to my question How can I get the unchanged Box form of an arbitrary expression? John Fultz answered with a method using the hilariously named ...
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Asynchronous Programming
Consider that you would like to listen for Raw WiFi Packets coming into your NIC. Since Mathematica doesn't have built-in functions for such low level programming (as far as I know), one alternative ...
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4
answers
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Efficiently determining if 3D points are within a surface composed of polygons
This is the 2nd part of a previous question which I edited to make into 2 separate questions: Extracting polygons from 3D contour plot surface
As an extension of my earlier question involving simple ...
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3
answers
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Can Mathematica edit large binary files in-place?
I have a very large binary data file (several hundred GB) which I would like to edit using Mathematica. The only edits required are a few isolated byte replacements—no insertions or deletions. Is it ...
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6
answers
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Returning multiple results from a LibraryLink function
What is the best way to return multiple inhomogeneous results from a LibraryLink function? Imagine that the result of a single computation is several tensors of different dimensions and several ...
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2
answers
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Multiplayer game in Mathematica: how to communicate between kernels?
This may have been asked already, but I am considering making a game in Mathematica that two people can play. However, the issue with my idea is that the other player can't view the cards of the first ...
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2
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MathKernel doesn't return all Messages
In Mathematica I run this command:
Plot[Sin[x], {x, 1, 15}, GridLines -> error]
It generates a Plot with this error message:
A GridLines specification ...
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votes
1
answer
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What is the difference between MathLink and WSTP? Which one should I use?
What is the difference between MathLink and WSTP programs? Will the use of MathLink protocol be maintained or not?
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Control Front End in "mathlink" mode
Note: This question was already posted in the Wolfram community.
In a terminal math session, we can start a front end (FE) easily by launching it though ...
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0
answers
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How to protect existing MathLink connection from disconnecting
I am developing an application that consists of a Mathematica package and an external Java program. The purpose of the application is to read streamed data from a port and update a variable in the ...
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3
answers
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Write C/C++ programs calling Mathematica functions
I need to write a C/C++ program and call some functions in Mathematica especially those like Solve or NDSolve. The problem is ...
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18
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1
answer
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Calling Mathematica from Visual Studio - example
I am trying to set up a connection between Visual Studio 10 and Mathematica 8.0 on a Windows system. I found several sources of information on the Wolfram website, but I get entirely lost. Most of the ...
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1
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MathLink (WSTP) vs LibraryLink performance
Has anyone benchmarked LibraryLink vs MathLink when passing large arrays?
Specifically I would like to know how performance compares when using the following to pass and return a large array:
...
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5
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Connecting to and disconnecting from a continuously running kernel, on demand
I realized that there are lots of advantages to driving C/C++/FORTRAN code directly from Mathematica as LibraryLink functions (instead of running them from the command line or a shell script, as I ...
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1
answer
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C++ interface to large project
We are developing a quite large mathematical software in C++ and would like to have a Mathematica interface. We have our own C++ library and our idea would be, to write a Mathematica wrapper class and ...
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4
answers
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Correct way to handle mysterious NaN` result from MathLink function
I have a Mathematica expression that is mapped onto an external C function via MathLink. The external function passes a ...
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1
answer
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Is it possible to use C# LINQ from Mathematica using .NET/Link?
Using Mathematica's .NET/Link (NETLink`) package, is it possible to call out to .NET's LINQ facilities for list manipulation and other operations?
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2
answers
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What is the best way to transfer arbitrary-precision reals using WSTP?
I'm developing a Mathematica package, inside of which there is a number-crunching function. It uses a list of arbitrary-precision numbers as input and it takes a lot of time to do its job.
So I've ...
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3
answers
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Using LinkSnooper for monitoring the communication with an installable MathLink program
How can I monitor the communication between an installable MathLink program and the kernel? Can LinkSnooper do this?
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2
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Specifying the ports used by LinkCreate or LinkLaunch
Whenever a Link is created using LinkCreate or LinkLaunch with ...
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2
answers
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Link server WSTP API feature not receiving incoming connections
I'd like to apologize ahead of time that this may be a very long post but want to get all of this out there. Also, this post really only pertains to those with WSTP/MathLink experience.
My problem ...
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How to run mathlink external commands in parallel?
I have an external function called increment (for the sake of illustration) that I call from Mathematica using MathLink. I.e.,
...
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1
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How to run an external program in parallel with a Mathematica package?
Under Mathematica 8 (Linux x84_64) I was able to run an external program in parallel from a Mathematica package. However this procedure breaks down under Mathematica 9.
Within my Mathematica package ...
13
votes
1
answer
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How to use RunProcess to import external function?
I have a functions written in an external language called GO. How can I quickly load them into the kernel for use as Mathematica functions?
The two ways I've tried are with MathLink and LibraryLink ...
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votes
2
answers
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Connect Frontend to Kernel Started by JVM via JLink
I have a MathKernel started and controlled via JLink from a JVM. The $CommandLine for this kernel is:
...
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votes
1
answer
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Passing back "NaN`" and "Inf`" to C via MathLink
In the "usual" double representation of floating point numbers in C there is a NaN and an Inf...
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votes
1
answer
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using MathLink for communication with external program from my C program without Mathematica
I have a compiled program with MathLink.
I want to use it from other C program, without Mathematica being involved at all.
If i create my program with MathLink and connect to this external program, ...
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3
answers
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How to return escaped characters from MathLink?
I'd like to return Greek symbols through MathLink from a C function. However, returning the usual escape sequence (such as \[Alpha]) does not seem to work. Here's a minimal example .tm file (myalpha....
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1
answer
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Mathematica + Numerical Recipes
the idea of combining Mathematica with the new routines in the 3rd edition of Numerical Recipes (NR) is very interesting. In fact, there is a NR library to Matlab which works very well because not ...
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answer
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How to set up LinkSnooper for monitoring FrontEnd--Kernel communication?
What is the simplest way to set up LinkSnooper to monitor the communication between the Kernel and the Front End?
I am looking for an answer that works on all platforms, including 32-bit Windows.
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MathLink error while calling a custom Mathematica function - MLGet out of sequence
I am trying to call Mathematica 10 from F#. Following the C# sample code found in the Mathematica directory, I have written the following F# code:
...
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11
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2
answers
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How can I connect Mathematica to Clojure?
I'm using Clojure and I'd really love to be able to use some of Mathematica's functions inside it. Can anyone help with mathlinking it?
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WSTP broken by upgrade to 10.0.1?
Bug introduced v10.0.1 and fixed in 10.0.2
Everything was working fine with WSTP (the successor to MathLink) in 10.0.0. But I upgraded to 10.0.1 today and now I can't compile either my programs (I've ...
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1
answer
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Running .NET/Link on Mono (On MacOS or any UNIX or Linux Distro)
Has anyone have any luck running .NET/Link on Mono?
When I run .NET/Link to call Mathematica from within a Mono program, this is the error message I receive.
...
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1
answer
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Example program for calling Mathematica from C
I want to call Mathematica from a C program. Suppose I have two numbers x = 2 and y = 3. I want to define ...
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3
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MathLink linking error after OS X 10.9 (Mavericks) upgrade
After macosx 10.9 mavericks upgrade i have a compilation problem, you can see below. Even the examples given in /Applications/Mathematica.app/SystemFiles/Links/MathLink/DeveloperKit/MacOSX-x86-64/...
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Why does LinkRead block when LinkReadyQ returns True?
The LinkRead documentation states:
LinkRead will wait until it has read a complete expression before returning.
You can test ...
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votes
1
answer
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Using Mathlink with the cernlib FORTRAN package MINUIT
I could successfully use Mathlink to call a simple fortran subroutine. However, when I went to a realistic problem, I failed.
To be specific, I want to fit a set of data with some function using the ...
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votes
2
answers
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MathLink C API: sending a List[] of so far unknown length
I would like to send a set of Mathematica expressions (i.e. not simple types that are easy to represent and temporarily store in C) in a List using the MathLink C ...
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1
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Mathematica NDSolve and 'Compile'?
Since the consensus is usually that NDSolve speeds fares badly against compiled code such as c++ ODE solvers using GSL say, is it possible to make up for this lag ...
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1
answer
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Fast way to pass an array of integers to Java using JLink
I am using a package from java to compress a list of integers, this package provide me two methods, one for compress and other one for uncompress. Each of these methods has a version to ...
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0
answers
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ParallelTable kernels die - maybe Mathlink timeout?
I am new to parallel computing in Mathematica. I am using
LaunchKernels[16]
ParallelTable[]
to parallelize calculations. The ParallelTable consists of approx ...
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votes
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answers
572
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Is it possible to set a timeout for LinkWrite[]?
This came up in relation to this answer
Is it possible to set a timeout for LinkWrite? LinkWrite seems to block until the sent ...
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2
answers
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Why does this LibraryLink example of LinkObject based passing not work? Bug or user error?
There's an example of LinkObject-based passing in the LibraryLink documentation. Unfortunately the cell in the documentation notebook is corrupted, but to skip ...
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9
votes
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answer
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Suppress Mathematica Kernel taskbar tab when using .NETLink
Is there a possibility to suppress the Mathematica Kernel taskbar tab when accessing it through .NETLink on Windows?
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1
answer
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Can you call a C function that takes function pointers as arguments?
I want to use MathLink to call a function I wrote in C. However, similar to an integrator, it takes a function pointer as an argument and applies it on numbers depending on the other arguments. I ...
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