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ptc-64205461-Visitor
1-Visitor
Sep 17, 2014 5:06 AM UTC
Question

Transcendental equation

hi,

I want to solve the transcendebtal equation by bisection method or any other numerical method. but i am not able to get the answer. please see my attachment nd help me to solve.

1 reply

Werner_E
Werner_E25-Diamond I
25-Diamond I
Sep 17, 2014 8:18 AM UTC

Why would you go through the trouble of programming a bisection algorithm yourself when Mathcad offers much better algorithms built-in.

Furthermore I am confused why you think you will get 5 roots in the range [0.1; 30]. You will just get one at approx x=1.879 and the function result will go complex soon after (approx x>1.88919).

1.png

P.S.: You function seem to fail because in ZBRAK you compare an expression which contains a function value f(x) (fc) against 0. This throws an error if f(x) is not real, which is the case for x-values greater than 1.88919.

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