How can I solve this problem ? 'Area between curves'

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Abdulrahman Al Ali
编辑： darova 2019-3-18
clear all
clc
syms x;
f=@(x) x^3-3*x^2;
g=@(x) 4*x;
IP=solve(f(x)-g(x))
A1=int(-g(x)+f(x),-1,0);
A2=int(-f(x)+g(x),0,4);
A=A1+A2
Aalt=int(abs(f(x)-g(x)),-1,4)

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采纳的回答

darova
darova 2019-3-18
编辑：darova 2019-3-18
fplot(f,[-2 5])
hold on
fplot(g,[-2 5],'r')
hold off

更多回答（1 个）

Munish Raj
Munish Raj 2019-3-18
Hello Abdulrahman,
This answer will help you solve this problem.
It demostrates how you can calculate the area between two curves.

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