lambertw, all branches
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01-22-2024, 06:09 PM
Post: #34
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RE: lambertw, all branches
You write
"def W(a, k=0, verbal=False): h, s = a+r+err, im(a)<0 small_imag = k==1 and s or k==-1 and not s if abs(h)<.25 and (k==0 or small_imag):“ From the above, I understand that small_imag=1 if (k=1 and im(a) <0 or k=-1 and im(a) >≠0) Else small_imag =0. Then For k=1, a=-1 —> im(a) = 0, ie im(a) is not < 0. Consequently, small_imag=0. But then you write if small_imag: x = LN(-a) + (0 if A<.5 else T/2) But a=-1 small_imag = 0 Then my question: for that case, what is the value for initial xo? |
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