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How can I solve complicate syms form function?

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Subinuer
Subinuer 2014-6-24
关闭： MATLAB Answer Bot 2021-8-20
Hi: I have sym form equation like below, and after integrate this equation, it only left variable 'phim', I have another column of numbers, so I want to solve this equation using that column, but when I use solve, matlab keep giving me error; error is 'Error using mupadengine/feval MuPAD error: Error: The second argument must be of form x or x = a..b. [int] Error in solve sol = eng.feval('symobj::solvefull',eqns,vars);'
so please help me figure out the problem
int(1/(863837598531475644350464*exp(-37*phi) - 863837598531475644350464*exp(-37*phim) + 120399999999999995805696*cosh(phi) - 120399999999999995805696*cosh(phim) + 31961991145664596693483520*exp(phi) - 31961991145664596693483520*exp(phim))^(1/2), phi == phim..11/2)

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