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As time goes on, I grow more disillusioned with quantum field theory.


Aug
5
awarded  Informed
Aug
5
accepted How to make a region plot indicating the largest among a set of functions
Aug
4
asked How to make a region plot indicating the largest among a set of functions
Jul
28
answered Sum with Levi-Civita
Jul
27
awarded  Inquisitive
Jul
26
comment How to avoid nested With[]?
Out of curiosity, why did you call it "LetL" ?
Jul
26
asked Using Mathematica to help obtain correct analytic formula for logarithm integration
Jul
24
awarded  Critic
Jul
24
comment Recognizing special cases of a defined function for permuted arguments
This is better, but the invariance of the function $f$ isn't for permutations of first three arguments $a,b,c$ independent of the second three $x,y,z$. They are tied together. But no problem; your answer and @BobHanlon's answer pointed me in the right direction: I could declare SetAttributes[f1, Orderless] but with the arguments arranged f1[{a_,x_},{b_,y_},{c_,z_}], and make the library of special cases for f1. Then finally, I put f[a_,b_,c_,d_,e_,f_] = f1[{a,x},{b,y},{c,z}]. I tried a few cases and it seems to work. What do you think?
Jul
24
comment Recognizing special cases of a defined function for permuted arguments
This won't work because $f$ isn't completely orderless among all six variables.
Jul
23
asked Recognizing special cases of a defined function for permuted arguments
Jul
23
awarded  Popular Question
Jul
21
awarded  Notable Question
Jul
10
comment Define PolyLog so that positive reals evaluate on upper edge of branch cut
@Öskå These won't do; I need to be able to use this analytically too. See the edit.
Jul
10
revised Define PolyLog so that positive reals evaluate on upper edge of branch cut
Clarified question to indicate what was needed.
Jul
10
asked Define PolyLog so that positive reals evaluate on upper edge of branch cut
Jul
2
awarded  Curious
May
21
awarded  Popular Question
May
2
awarded  Popular Question
Apr
17
awarded  Self-Learner