Tag Info

Hot answers tagged

30

For the TL;DR crowd The Wolfram Cloud is envisioned as the precursor to the omniscient central computer often depicted in science fiction. It runs on the Wolfram Language (WL) and the Wolfram Knowledgebase (KB). The Programming Cloud lets you write web applications in WL hosted on their infrastructure. This targets commercial developers, with a huge ...


23

Typically, Mathematica contacts the license server every 2 minutes. If you have a license which supports a very large number of processes, that interval can grow (to help MathLM to scale better). It will never be more than 30 minutes. If three consecutive license checks fail, then Mathematica will instead revalidate the entire license file on what would ...


9

What you need to launch subkernels across several nodes on a HPC cluster is the following: Figure out how to request several compute nodes for the same job Find the names of the nodes that have been allocated for your job Find out how to launch subkernels on these nodes from within the main kernel All of these depend on the grid engine your cluster is ...


7

My reading of this page is that you are free to create and share your CDFs for as long as you are willing to license them under the Creative Commons Attribution-ShareAlike License (FreeCDF). This means that you'd allow anyone to do anything with your CDFs for as long as derivative works give you credit and do not change the license. This also means that if ...


6

The trial version of Mathematica doesn't allow you to export stuff. The limitation is really there to keep people from abusing the trial. Unfortunately, some functionality like that just doesn't work without Export. If you want to try this functionality out: Try using it in the programming cloud (https://programming.wolframcloud.com/app/) Contact ...


6

You create a new kernel every time without shutting down the previous one? maybe you have reached the maximum number of parallel kernel executions. When this message appears, check how many kernel instances you have.


6

Computing Processes are the number of main kernels you can use at the same time. Therefore, you can have on the same computer two Mathematica sessions running and while one computation is running, you can use the other one to do something else. It has nothing to do with your license which is valid for only one computer. The probably easiest method if you ...


6

Thanks to @halirutan and @Szabolcs, I found a working solution by myself. Apparently it won't work with localhost on Windows7 but with 127.0.0.1. To sum up, I present the ssh-commands, so other users might gain something from this (use your own network names or IPs here): First connect through the firewall via ssh.server: ssh -L 16286:127.0.0.1:16286 ...


4

You question does basically not fit here, but I'm sure it is still one of the best places to ask. I think we shouldn't be too pedantic with the rules. Let me give you some advice, which will unfortunately only help you, if you can cooperate with your admin of the server: You have to ensure, that you can reach the license server over an IP, because this is ...


4

Contacts: Bradley Harden (good guy) North American Commercial Sales Manager Wolfram Research bradley_hardenATwolfram.com (800) 965-3726 (ext 3482) Kelvin Mischo Academic Sales Manager Wolfram Research kevin_MischoATwolfram.com (800) 965-3726 They can give you complete information on licenses and options.


3

I'm also trying the run more subKernels from a main kernel on HPC. I usually apply an interaction job on the HPC and run math kernels on it, and then connect back to the front end on may laptop. My waiting time for the queue of the interactive job is very short so it is convenient for me to do the work in the interactive way. Here is how I did, it may not be ...


3

The 2 CONTROLLING processes effectively means you can run 2 front-ends at the same time. This might be, say, Mathematica 8 and Mathematica 9 on the same machine at the same time, or one copy of Mma 9 on your desktop and another on your laptop (if your License allows same: check with Wolfram). The COMPUTING processes (8) are the number of slaves / cores you ...


2

I had a similar issue some time ago: no information was obtainable online, I ended up going trough WRI's user portal. There is a support portal there that I used. I described my problem in the greatest detail and after a few working days I got a response. The email conversation which followed ended up with them giving me a new license that I could use on my ...


2

http://support.wolfram.com/kb/717 "To reinstall software from Wolfram Research on a new computer, please use the System Transfer Form."


1

Yes. It is possible without any trouble. I have dual boot Ubuntu and Windows 7 with Mathematica installed on both under a student licence.


1

I've had to do this before. I've found that Wolfram Support is very helpful when it comes to these kinds of things. It will probably take a 5 minute chat with a support person. http://www.wolfram.com/support/contact/


1

Well, further experiments have shown that altering my code to: Needs["LightweightGridClient`"] Column[{ CloseKernels[], LaunchKernels[], ParallelEvaluate[$ProcessID], ParallelEvaluate[$MachineName], RemoteServicesAgents[] // ColumnForm}] Which gives me: appears to resolve the problem. This does not explain why the problem occurred or why it ...



Only top voted, non community-wiki answers of a minimum length are eligible