# All Questions

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### Getting complex infinity for solution to differential equation

DSolve[y''[x] - (2 n + 1) (3 + 2 n) y[x]/(4 x^2) + \[Beta] y[x]/ x^(-2 n) == 0, y[x], x] I am trying to solve the equation and all I am getting is ...
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### Generating a very large list of integers not divisible by a set of primes

I have read (58520), but the solutions there do not work when using a large maximum value because they rely on Range. For example, ...
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### Using set of lists in if function? [on hold]

I have the following function: a3[m_, C_, St_, Stt_] := If[C > 0, (m*C)/St*Stt, 0] now my input for C, St and Stt are different set of lists. So I tried to ...
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### Montgomery Modular reduction

I saw a Mathematica Implementation of Montgomery reduction at Montgomery Modular Exponentiation, a beautiful one by Simon Woods. I ran this in Mathematica and it was fast, but it does not give the ...