The concentration of pollutant bacteria c in a lake decreases according to c = 75 e 1.5t
Question:
The concentration of pollutant bacteria c in a lake decreases according to c = 75e–1.5t + 20 e– 0.075t
Determine the time required for the bacteria concentration to be reduced to 15 using
(a) The graphical method and
(b) Using the Newton-Raphson method with an initial guess of t = 6 and a stopping criterion of 0.5%. Check your result.
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Related Book For
Numerical Methods For Engineers
ISBN: 9780071244299
5th Edition
Authors: Steven C. Chapra, Raymond P. Canale
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