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14
votes
1answer
681 views

Speed up NDSolve compared to Python (calls to LSODA)

I migrated a numerical model code from Python to Mathematica and am surprised how much faster the Python version runs. Profiling of the Python version tells me that it is about 100 times faster (120 ...
4
votes
1answer
117 views

How To Improve Mathematica StarData Performance When Compared To AstronomicalData

My tests of using AstronomicalData versus StarData show that StarData requests are 15 times ...
10
votes
1answer
394 views

Finding planetary conjunctions with Mathematica (project-level) [closed]

Summary: What's an efficient way of finding planetary conjuctions with Mathematica using the SPICE kernels, and without using AstronomicalData (which I believe is less efficient). NASA publishes ...
8
votes
3answers
503 views

Why is AstronomicalData so slow?

I'm having trouble getting some pretty simple functions using AstronomicalData to perform at anywhere near the speed I need them to. For example, I have many ...