# Ch5_15 - Next Previous Section 5.15 MatLab funfuns Section 5.15 MatLab funfuns 11 ® funfuns function functions ® written so that another function

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Unformatted text preview: Next Previous Section 5.15: MatLab funfuns Section 5.15: MatLab funfuns 11 ® funfuns @ function functions ® written so that another function can call them ® We’ll demonstrate two common MatLab funfuns ® Fzero ® uses secant method to find function roots ® root is sometimes call the zero ® Ode45 ® numerically solves differential equations ® uses a modification of the Euler’s Method ® the Runge-Kutta method Section 5.15: MatLab funfuns Next Previous Section 5.15: MatLab funfuns Section 5.15: MatLab funfuns 22 MATLAB help is quite good in describing the use of fzero and ode45 MatLab function help is helpful Next Previous Section 5.15: MatLab funfuns Section 5.15: MatLab funfuns 33- 15- 10- 5 5 10 15- 10- 5 5 10 1 x 2 x 5 . x 18 . ) x ( f 2 3 +-- = Remember this equation? Next Previous Section 5.15: MatLab funfuns Section 5.15: MatLab funfuns 44 ® Main program ‘rootfinder.m’ ® assigns an initial guess and calls fzero ® fzero uses the secant method to determine the root of the equation...
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## This note was uploaded on 05/19/2008 for the course ENGR 25 taught by Professor All during the Spring '08 term at Lehigh University .

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Ch5_15 - Next Previous Section 5.15 MatLab funfuns Section 5.15 MatLab funfuns 11 ® funfuns function functions ® written so that another function

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