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Questions which are asking about the mathematical formulations whose theoretical and numerical analysis provides insight, answers, and guidance useful for the originating application.

4 votes
Accepted

Using cosmological model GADGET - 4

Whether there is a tool that allows to define ICs of your choice, mainly depends on what is your choice. If you want to start from cosmological initial conditions, there are various flags in the code …
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3 votes
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Orbital modelling, three bodies, leapfrog numerical integration

I don't have enough information to determine what is wrong with your spreadsheet, but I wrote the same program in Fortran, trying to follow your description. My results seem to be quite accurate, cons …
Prallax's user avatar
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6 votes
Accepted

What does this tweeted Astronomy Plot of the Week mean? What does it represent?

SED fitting SED fitting is the practice of inferring physical properties of a stellar population (a galaxy, a cluster...) from measures of the Spectral Energy Distribution. The spectrum of a stellar p …
Prallax's user avatar
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