Lambert function and Wolfram or "±infinity+i×K=±infinity" ?
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01-18-2024, 12:40 AM
(This post was last modified: 01-18-2024 02:50 PM by Gil.)
Post: #28
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RE: Lambert function and Wolfram or "±infinity+i×K=±infinity" ?
Input {k X},
k for the branch & X, real or a complex number, with real part of X = ± inf and/or imaginary part of X = ±inf. Here is a program or rather a subroutine summarising the above discussed cases, with output in form of a string like "oo ± iPI#", with oo standing for "limit tending to +inf" & with iPI together, to remember the Euler's formula when EXP(iPI#): Taking the real part of the given result, we get "something—> inf" × EXP( "something—>inf") And that latter expression in bold is "something—> inf". This last limit is still to be multiplied by a "fixed number", ie, EXP(iPI#), here always a real number of the form (±1+i0) or a complex number of the form (0±i). Consequently, the final result of the above mentioned multiplication will always be either +inf, or -inf, or 0+i×inf, or 0-i×inf. In other words... Having for instance x=a+i×inf, a≠0 & a≠±inf W0(x) = (inf + iPI/2) But (that last result=inf + iPI/2) × EXP(that last result = inf + iPI/2) = "something tending to inf" × (0+i×inf) =(0+i×inf), and never the initial value of x=a+i×inf. Code: \<< OBJ\-> DROP \-> k x |
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