This function cannot be used here

Hello all,

Need help with the root function which i keep getting the error 'This function cannot be used here'.

(mathcad 15)

Thank you.

Best answer by Werner_E

The function you feed into "root" returns a vector as a result but to make "root" work it has to be a scalar valued function.

Not sure if you get what you are looking for if you turn Py and Pc into functions of t AND i:

Answer

25-Diamond I

The function you feed into "root" returns a vector as a result but to make "root" work it has to be a scalar valued function.

Not sure if you get what you are looking for if you turn Py and Pc into functions of t AND i:

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