Complex number with exponential

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Abdullah Azzam 2021-3-8

评论： Walter Roberson 2021-3-8

I am trying to solve this equation however matlab isn't returning any solution. The equation is as follow:

Y=2/(exp(Ci)+exp(-Ci)) where C is constant and i is the imaginary number

I tried using the complex function but it doesn't give correct answer when combined with exp.

Abdullah Azzam 2021-3-8

Just find the value of Y

Walter Roberson 2021-3-8

Y = 2./(exp(C*1i)+exp(-C*1i))

In vectorized form.

Y = 1./cosh(C)

Walter Roberson 2021-3-8

Y = 1/cosh(C)
cosh(C) * Y = 1
cosh(C) = 1/Y
C = acosh(1/Y)

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