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I have a set of linear equations that have an infinite number of solution (a solution set) but I cant seem to find any Java-libraries that can produce the solution-set (they all complain about the matrix being "Singular", which would produce an infinite set of solutions?).
I may be failing to understand something, but I've looked into some libs as JAMA and la4j but don't understand why they're not able to produce a solution-set for me.
BR Tomas A
EDIT: I've tried solving the set of equations using a "solver" online and it produces the solution-set for me so I know it should be possible.
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I need to know about some good techniques to do analysis on data relatiing to word similarity. I want to know similarity algorithms compared with categorization techniques to get the best clustering solutions.
Please check out this site:
http://sujitpal.blogspot.com/2008/10/ir-math-in-java-experiments-in.html#ga
This would help you out with different algos and you can come up with the best as per your requirements.
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I want to implement Contraction Hierarchy (CH) shortest path in JAVA. So for reference I want some already implemented java version of this algorithm or a step by step algorithm pseudo code. So can you please give me any such reference so that I can implement it?
Well actually I know 2 projects implementing this algorithm one is written in Java and it is GraphHopper
Then other one is OSRM and it's in C++
a good reference is here. start implementation now...!
Read this paper. It has pseudo code for the algorithm and some excellent background.
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I am autogenerating HTML-Strings in Java. Unfortunately in the output everything appears in a long row. It's too much effort to put \n or \t before the Output-String due to sometimes I'm containing several objects in each other (Like Divs and Tables).
Are there some frameworks available which support HTML-Autoformat in Java?
Thanks
Check this answer for pretty printing of XML (it should also work for HTML): How to pretty print XML from Java?
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I am looking for something like jsfiddle but for java, so that code snippets and classes can be shared and tested.
At the moment, I am using a combination of pastebin and compileonline.com. I would rather not sign up for a huge online compiler service, just a quick and dirty code sharing/testing platform, that provides unique URL's for my code snippets.
I have seen other people asking similar questions:
https://stackoverflow.com/questions/15320286/is-there-online-compiler-for-java-like-jsfiddle
But there doesn't seem to be just the right tool. Anyone provide any pointers?
I tried using http://ideone.com/.
It supports a bunch of languages, including Java.
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I'm looking for a site like JsPerf but for Java. Is it possible to compile code in applet and then immediately run it (I guess there may be some security problems)?
Try out Rextester.com for executing java code online. Looks better than its alternate Ideone in terms of interface & is also free of ads.