All Questions
Tagged with astronomy performance-tuning
5
questions
0
votes
1
answer
149
views
Performance improvement of array setup and processing
I need to improve the speed of the following algorithm:
Take a list $x={x_1,...x_n}$. For each integer $i=1,..n$ construct the following list assuming $z=x_i$ if $i=1$ and $z=x_{i-1}$ otherwise:
$X_i=...
15
votes
1
answer
2k
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
1
answer
142
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
1
answer
614
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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
3
answers
601
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 ...