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Justin Findlay wrote: 
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> I'm doing some computational astrophysics research, specifically 
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> modeling the effect of star novas on planetary motion and my problem is 
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> that I don't know the best way to do this. 
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> 
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> The nature of this research consists of my extending a model already 
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> developed by my advisor, and the problem is that I want to translate 
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> this model into a simulation and I don't know what software to use. My 
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> advisor has given me full discretion in using whatever tools I need, so 
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> I thought I'd ask here since I don't know where else to ask. Since he 
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> hasn't stipulated the use of any software to model the research I want 
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> to take this opportunity to get experience with some of the FLOSS 
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> projects out there. 
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> 
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> What software do you think would be most useful for this project? 
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> 
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> 
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> Justin 
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"Modeling" is too vague a word to get a meaningful response. However, 
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I'll assume that, since it's astrophysics, that you're solving some 
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equations. There are two ways to solve equations, numeric and symbolic. 
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You can also mix these approaches, although that's more difficult. 
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So ... can you specify the nature of the model? Is it equationbased? 
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Numerical? Symbolic? Algebraic? Integral? Differential? None of the above? 
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