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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=...
Markus Roellig's user avatar
1 vote
2 answers
126 views

How do I pull a multiple pieces of data from a while loop and put into a table

I am wanting to pull multiple pieces of data from a while loop and put it in a list. The example I have added below is a table with inputted data that I found. Im pretty sure the syntax is unrelated ...
Brad's user avatar
  • 11
0 votes
2 answers
228 views

How to Replace Plot Slot Numbers With Variable Names

The format of my data looks like: ...
Joseph Karpinski's user avatar
2 votes
1 answer
308 views

Using DeleteCases with multiple AstronomicalData properties

I am attempting to use AstronomicalData and DeleteCases together to remove invalid cases of two properties while listing the ...
Ashley James's user avatar
1 vote
2 answers
175 views

Computing lists using AstronomicalData

Edit: Initially in my question I asked how I could search the database of AstronomicalData["Exoplanets"] and return 2 filtered values that only contained ...
Ashley James's user avatar