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1
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0answers
17 views

How to deal with MathLinkException in webMathematica

I'm using webMathematica, my license supports a maximum of two kernels running at the same time. Sometime an error occurs, I've seen three at least (from webMathematica.log): ...
1
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0answers
21 views

License not released after kernel is stopped for KernelTimeLimit reached?

Using webMathematica, doing massive tests of our functions (each call can take from 0 to 15 seconds). After a while we started getting lots of 403 Forbidden errors. webMathematica.log: ...
5
votes
1answer
129 views

Can't run Mathematica on Raspberry Pi under php

Since Mathematica is contained in Raspberry Pi 2, I can do the following in the terminal: echo "2+2" | /usr/local/bin/math -batchinput -batchoutput It outputs ...
12
votes
2answers
286 views

How do you handle upgrade frequency now that minor releases come so quickly?

Does anyone understand the Mathematica upgrade treadmill these days? With the minor releases (10.2, 10.3) coming out fairly ...
2
votes
0answers
106 views

Cost of upgrading Mathematica student version to professional version? [closed]

The Wolfram site mentions that the student version of Mathematica can be upgraded to a professional version at a significant discount. However, they do not mention any prices on the web page and ...
12
votes
0answers
260 views

Why did Wolfram Research change their release policy? [closed]

As a long term user of Mathematica I cannot fail to notice that Wolfram Research seems to have changed their release policy considerably: https://en.wikipedia.org/wiki/Mathematica#Version_history ...
0
votes
1answer
63 views

What is Duration in MonitorLM output?

What is duration specified in MonitorLM output? Is it start hour and minutes or is it total number of hours and minutes used?
7
votes
2answers
287 views

Mathematica on Raspberry Pi

Can I develop BSD/MIT open-source library for Mathematica using free non-commercial version on Raspberry Pi? To state it differently: does the non-commercial limitation of Mathematica on RPi limit ...
1
vote
0answers
189 views

“Home Edition” license for Mathematica: country and upgrades [closed]

I'm interested in buying a "Home Edition" license for Mathematica, but there's the following information which I'd like to know beforehand and which I cannot find online: As I'm about to buy it, the ...
5
votes
2answers
347 views

What kind of Mathematica license do i need to create cdf documents for my students and put them on my (academic) page at the university?

I'm an enthusiastic university teacher willing to exploit Mathematica for teaching purposes. I would like to know what kind of Mathematica license would let me: create notebooks and cdf documents to ...
6
votes
1answer
745 views

Why don't some functions work in trial versions of Mathematica?

I currently use the trial version before I decide to upgrade. However, a number of expressions don't work, i.e. it results in some errors that I don't know how to interpret. For example, if I use the ...
0
votes
0answers
86 views

Parallel Licenses

I am using Mathematica 9 on a university computer. I am trying to use the basic commands for parallel evaluation. ProcessorCount evaluates to 4, but commands such as ParallelMap simply evaluate ...
38
votes
1answer
3k views

What is the relationship between Mathematica and Wolfram Desktop?

I'm confused about the differences among various Wolfram products. In particular what is the relationship among Mathematica, Mathematica Online, Wolfram Programming Cloud, and Wolfram Desktop? Are ...
3
votes
0answers
122 views

Authorizing use of proprietary code in the cloud?

As I continue to refine my working approach to deploying proprietary Mathematica code (see: Prevent package from being opened in a notebook interface and Run encoded package code through ...
3
votes
1answer
288 views

Same Mathematica 9.1 Student License on both Ubuntu and Windows 7 [closed]

Is it possible to install Mathematica 9.1 on both Ubuntu 12.04.3 LTS and Windows 7 Home Premium on the same machine. I want to be able to use Mathematica on Ubuntu since I wrote some numerical codes ...
0
votes
0answers
44 views

mathematica 9.0 starts with 2 kernels that take up 2 licenses [duplicate]

Mathematica 9 starts automatically with 2 MathKernels which in itself is ok but they also count as 2 licenses and that is definitely not OK. It halves our available concurrent network licenses. Is ...
16
votes
0answers
1k views

Is Mathematica v10 on the Raspberry Pi licensed for classroom use? [closed]

Now that I have v10 running on my Raspberry Pi, I'm interested in what "personal and educational use" means. As a Home user, I fully understand "personal"... but does "educational" mean that I'm free ...
3
votes
1answer
208 views

What leads to Mathlink connection lost when running

My C program called Mathematica several times during the execution. However, after 4 or 5 times Mathematica stopped and then I got this message. /home/sec/.Mathematica/Licensing/mathpass:3: The ...
3
votes
1answer
287 views

Command to get License Management Monitor info

Using Netlink, when we have more users than Mathematica licenses (used in a pool), we get messages such as: Error code: 11. Connected MathLink program has closed the link, but there might still be ...
15
votes
3answers
1k views

Mathematica Parellelization on HPC

I'm currently using Mathematica on a High Performance Cluster (HPC) which consists of many compute nodes each with around 16 cores. I currently run my Mathematica script on 20 of the nodes that ...
6
votes
2answers
275 views

What are Controlling and Computing Processes?

My wolfram user portal claims that I have 2 controlling processes and 8 computing processes. Mousing over the question mark gives me some information, but I still don't fully understand what this ...
3
votes
2answers
2k views

Home edition: Updates and installing it on a new computer

I cannot find any info concerning the Home Edition on the eligibility to receive updates (so e.g. from 9.0.0 to 9.0.1) to install it on a more than one computer or on a new computer (I am planning ...
6
votes
2answers
4k views

How to access Mathematica license server (being outside of the local network)

This is no Mathematica-language specific question but rather a network problem, so if this is the wrong place to ask, I apologize. I am running Mathematica on Windows 7, the license manager ...
2
votes
1answer
308 views

MathKernel and MathLM interaction

If one restarts MathLM on a Linux server, will that restart mathkernel as well? In other words, will restarting MathLM affect the current jobs running that use MathKernels? Thanks.
17
votes
1answer
2k views

How often does Mathematica contact its license server?

I know that Mathematica checks the validity of its license every time the program is launched. Say, however, that I have a valid license (which I do) and that I am running some code which takes a ...
2
votes
1answer
204 views

Server running WolframLightWeightGrid manager loses licensing information

"Once more into the breach..," I have 2 identical Xserves running OS X Server 10.6.8 each with 2 quad core Intel Xenon processors a total of 16 kernels. I have configured both servers identically ...