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Solution of 1 equation with 2 unknown variables

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How to find the solution of the equation using MATLAB?
[ In words, cos hyperbolic of x divided by cos hyperbolic of y is equal to 1 divided by 2 ]


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Accepted Answer

Ameer Hamza
Ameer Hamza on 26 Nov 2020
Edited: Ameer Hamza on 26 Nov 2020
A single equation with two variable can have an infinite number of solutions. You need to fix atleast one value. For example
y = 1.5;
x = acosh(cosh(y)*1/2)
In this case you have an expression for the solution of 'x' in term of 'y'. In general case, you can use fzero() or fsolve()
y = 1.5;
fzero(@(x) cosh(x)/cosh(y)-1/2, rand())

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