formula representation with matlab.

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ATS Talal
ATS Talal 2019 年 12 月 9 日
回答済み: Walter Roberson 2019 年 12 月 9 日
I have the following formula:
how can I represent or solve it with matlab?

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回答 (1 件)

Walter Roberson
Walter Roberson 2019 年 12 月 9 日
syms rho L N_r
P_b = (1/2 * (1 - sqrt(rho/(2+rho)))^(2*N_r)) * symsum( nchoosek(2*N_r - 1 + L, L) * (1/2 * (1 - sqrt(rho/(2+rho)))^L), L, 1, 2*N_r - 1)
The result will still have a symsum() term when N_r is symbolic. If you subs() a particular numeric value in for N_r then it will be expanded.
There does not appear to be a nice compact formula involved; you just end up with a sum of terms.

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