how to pass function as argument ??

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david carlson
david carlson 2020-5-23
评论： KSSV 2020-5-24
Develop an M-file for the bisection method. Along with the two initial guesses, pass the function as an argument.
i know how to develop M-file for bisection method but the problem i dont know how to pass the function as argument
ex : 𝒇(𝒙)=𝟓𝒙^3−3x^𝟐+2𝒙−𝟐
how can i make a program that can read that equation as argument ??

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KSSV
KSSV 2020-5-23
Read about anonymous functions.
f = @(x) 5*x^3-3*x^2+2*x-2 ;
Any value can be evaluated using:
f(1)
f(2)
  2 个评论
david carlson
david carlson 2020-5-23
i want to enter the function as [5 -3 2 -2] so matlab can record it as function of x
KSSV
KSSV 2020-5-24
Yes very much possible....when you enter like that, use polyval to evaluate the function at x.

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