arctanh
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02-26-2024, 07:17 AM
(This post was last modified: 02-26-2024 07:25 AM by hp-zl.)
Post: #2
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RE: arctanh
Because it's the same.
This follows from the definition of logarithm for complex numbers. The complex part is k*fi, where k is any integer. Enter e.g. tanh( ln(3)/2 - i*pi/2*5) and press Shift-Enter - you will get 2. Regards. PS. Ln(r *exp(i*fi) = ln r + i*(fi + 2*k*pi) |
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RE: arctanh - hp-zl - 02-26-2024 07:17 AM
RE: arctanh - Albert Chan - 02-26-2024, 01:56 PM
RE: arctanh - Albert Chan - 02-27-2024, 02:10 PM
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