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Need help solving a non linear equation

SM_10287580
1-Newbie

Need help solving a non linear equation

Need help with part c of the question, I have attached my Mathcad file where I have tried to solve for radius with an effectiveness factor of 0.97. Please Help!

1 REPLY 1

You can't use a function derived by the numerical odesolve for symbolic calculations like "solve".
You rather should use either a (numerical) solve block with "find" or the "root" function.

 

BTW, in the equation you'd like to solve for RR, shouldn't it be W(RR) instead of W(R)?

 

Werner_E_0-1650572158597.png

 

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