how to plot cosx*coshx+1=0

12 次查看（过去 30 天）

SeonHye Kim 2020-3-16

回答： the cyclist 2020-3-16

clc
clear
close all
syms x 
f(x) = (cos(x))*(cosh(x))+1;
fplot(x,f)
xlim([0 10]);
ylim([-100 100]);

Why is the gragh cut off??

the cyclist 2020-3-16

I don't have the Symbolic Math Toolbox, so I can't comment on your code. But this worked for me.

f = @(x) (cos(x)).*(cosh(x))+1;
figure
fplot(f)
xlim([0 10]);
ylim([-100 500]);

MATLAB Programming Functions Function Creation

在 Help Center 和 File Exchange 中查找有关 Function Creation 的更多信息

Find the treasures in MATLAB Central and discover how the community can help you!

Translated by