Questions about interfacing Mathematica and Java, particularly using J/Link.

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6
votes
1answer
842 views

Using SimMetrics Java Function on Mathematica

I would like to know if it's possible to use/install this java library on Mathematica. This library, named SimMetrics, has a lot of string similarity functions that I would like to test. Here is the ...
9
votes
1answer
219 views

How secure is J/Link?

Are there security concerns with using J/Link? If so, is there any way to encrypt the data passed between Mathematica and Java? If Mathematica and the JVM are running on the same machine, is there any ...
10
votes
2answers
272 views

Giving JLink Huge Memory by Default

I have noticed that Mathematica makes use of Java by way of JLink, for example, in the extensions such as DatabaseLink and (I think) RLink. It also seems like Java is a first-class citizen for writing ...
4
votes
1answer
268 views

How to fix MIDI playback on OS X?

Sometimes sounds specified using SoundNote (i.e. things played using MIDI) don't play properly on OS X. Some notes are missing and some are stuck. At least this ...
3
votes
1answer
221 views

Creating event handler with ImplementJavaInterface inside a package

I am trying to make my Mathematica function to serve as an event handler for the events generated by a Java object. Specifically, I have a Java object that connects as a client to a server that ...
0
votes
2answers
3k views

KeyPress function in Java's Robot class, how to state parameter?

I am trying to use Java's Robot class to type. This is what I have done so far. Needs["JLink`"]; InstallJava[]; robot = JavaNew["java.awt.Robot"] The mouseMove ...
10
votes
3answers
4k views

Connect to SQLite database

I am trying to connect to a SQLite database and since there is no officially supported driver; I decided to use the sqlite-jdbc driver and port the respective code into Mathematica. However, the ...
1
vote
0answers
71 views

Creating a Mathematica executable that uses JLink [duplicate]

I am making a program in Mathematica that uses the Robot class of Java and some other Mathematica functions. I want the end product to be a standalone executable that can run even if a computer does ...
8
votes
2answers
2k views

Dynamic graph visualisation using JLink/Java and GraphStream

Visualising the addition of new nodes and edges to a graph to 'watch it grow' is to something Mathematica is not suited to by default. However this type of animation really helps convey the emergence ...
5
votes
1answer
564 views

Error trying to open a notebook in Wolfram Workbench [duplicate]

I recently set up Mathematica 9.0.1 on a new computer, along with x64 Eclipse Indigo with JRE 1.7, and the Wolfram Workbench 2 plug-in. Something is amiss, because when I try to do any sort of task ...
12
votes
1answer
227 views

MakeJavaObject on list of inhomogeneous objects belonging to the same base class

When using J/Link, how can we create an array out of objects belonging to different classes but having the same base class? Here's an example: ...
6
votes
1answer
150 views

Using enum values with J/Link

How can I pass enum values to a function when using J/Link? What is the correct syntax for typing an enum value? For example, call normalize() using ...
1
vote
1answer
338 views

Wolfram Workbench problem with JLink

I'm working on Wolfram Workbench 2.0 and I'm creating a JLink Application project. Below there is the code: ...
2
votes
1answer
187 views

Executing C programs within mathematica [duplicate]

I have a requirement for executing a C program within Mathematica. The user will provide the inputs and the expected results on a front end. Mathematica runs the C file, obtains the result for the ...
4
votes
1answer
207 views

Add new JDBC Driver to connect MM to SQL database

I cannot open a SQLConnection to a SQL vectorwise database and I assume the JDBC driver is the problem. A JAR file was provided to me - the only info additionally provided to me was the java class: ...
23
votes
4answers
3k views

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 ...
2
votes
0answers
576 views

mathematica startup time

I have Mathematica 7 and 8 installed on my laptop. Mathematica 7 starts quite fast, but Mathematica 8 is extremely slow to start. In the Option Inspector I canceled the "welcome screen" option at ...
10
votes
2answers
480 views

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?
5
votes
0answers
152 views

How to deal with WebServices error “any is not supported in sequence”?

I am trying to aquire data through Mathematica's WebServices and this example works just fine: ...
8
votes
6answers
800 views

Installing RLink on Linux

I'm trying to install RLink here. Needs["RLink`"] InstallR[] After downloading it throws an error: ...
0
votes
0answers
38 views

Problem to connect remote Mathematica Kernel using J/Link [duplicate]

Possible Duplicate: Failed to connect remote Mathematica kernel using J/Link I'm trying to connect to a remote Mathematica 8 kernel on windows server (IP :172.20.48.113 ) from a windows ...
7
votes
3answers
1k views

Failed to connect remote Mathematica kernel using J/Link

I'm trying to connect to a remote Mathematica 8 kernel (on a Windows machine) using J/Link. On the client machine, I put the JLinkNativeLibrary.dll file in ...
4
votes
0answers
263 views

Why does OS X need permission to allow JLink connections each time it starts?

I understand that JLink loads each time Mathematica launches or each time a kernel starts, and that this can require permission from the firewall, if it is enabled but OS X provides settings the ...
9
votes
2answers
1k views

Using J/Link to decode Google Maps Polyline strings

I would like to use this java code inside Mathematica using J/Link. It converts Google Maps API Encoded Polylines to a list of points. I tried the Mathematica tutorial but got lost. There is the Java ...
2
votes
1answer
106 views

MathGraphicsJPanel no output

I am trying to create a Java frontend for Mathematica. Following examples from J/Link guide and looking around the API manual I came up with this code: ...
3
votes
1answer
469 views

How do I run scripts on networked computers directly from Mathematica?

The answer to an earlier question, Computers running Wolfram Lightweight Grid Manager won't fall asleep, left me with a new problem. To review, I have a computing environment comprised of: 27" ...
6
votes
1answer
678 views

Using a user defined Mathematica package with MathLink

I'm trying to create a Java program that uses some methods from a mathematica package I've defined. When I run my java program though the output of the program acts as though the Mathematica methods ...
2
votes
2answers
255 views

Running Mathematica via JLink from a Servlet on Tomcat 7 Problem

I'm trying to make a java servlet running on Tomcat 7 for specilized mathematical calculations. So I want to link Wolfram Mathematica 8.0 mathkernel from my servlet via JLink (webMathmatica is not an ...
3
votes
1answer
404 views

How do I get java to recognize import com.wolfram.jlink

I'm trying to write a java program that uses mathematica code for processing and graphs while using java for the front end. From what I've been able to glean from the j/link tutorials on the wolfram ...
24
votes
1answer
3k views

Programmatically retrieving e-mails from a remote server

Mathematica has a function for sending mail (SendMail) and can import the MBOX format. But what I'd like to do is ...
7
votes
1answer
2k views

How to execute a function in the package from java?

I use Wolfram Workbench 2.0. I can get a KernelLink object and evaluate some simple expressions like "2+2". But I don't know how to export a package and execute ...
14
votes
3answers
794 views

Mathematica usage (success stories) for financial back-ends

I've been working for about 5 years in Java, developing financial back-offices (web-services, business logic, report generation etc.). I think Mathematica is very suitable for such calculations and ...
7
votes
1answer
668 views

Efficiently deleting rows in many large text files

I have 500 text files each of about 200000 rows. I need to delete one row in each of them as fast as possible (later such operations will repeat). What is the best way to do this with Mathematica? ...
3
votes
1answer
307 views

How do you get Weisstein’s Hyphenate package to run?

I've put Eric Weisstein's Hyphenate.m package in $UserBaseDirectory/Utilities; installed the requisite ...
7
votes
1answer
366 views

Why does JLink lock unopened jar-files in Windows

Since the introduction of JLink (maybe a bit later) it is possible to put jar libraries inside the directory-structure of packages. If this package is installed in ...
6
votes
2answers
411 views

Unit testing J/Link projects in Workbench

I am having some problems setting up the MUnit testing framework for a J/Link project and would be grateful for advice. I do have J/Link working when running or debugging the .nb notebook in ...
9
votes
2answers
701 views

Why is JLink loaded every time I start Mathematica?

When I start a Mathematica 8 session (either command line or with the notebook front end), I notice that there are several packages that have already been loaded for me (using ...
14
votes
2answers
343 views

Interfacing Mathematica with MINE using JLink

In last December's Science David N. Reshef, et al. proposed an interesting method to detect associations in data (Detecting Novel Associations in Large Data Sets, Science 334, 1518, 2011). Contrary to ...