Unable to plot implicit function in MATLAB 2016a

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Maruti Patil
Maruti Patil 2017-6-2
回答： Star Strider 2017-6-2
clc;clear all;close all
syms b P
phi0=asin(1.5/b);
f = -(2*P*1.35/(1.5^2*1.1538*10^5))+...
((pi-2*phi0)/(4*sin(phi0)*sin(phi0)))-0.5*cot(phi0);
ezplot(f); grid on

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采纳的回答

Star Strider
Star Strider 2017-6-2
You need to make a few changes for this to work:
syms b P
phi0(b) = asin(1.5/b);
P = 2;
f(b) = -(2*P*1.35/(1.5^2*1.1538*10^5))+...
((pi-2*phi0(b))/(4*sin(phi0(b))*sin(phi0(b))))-0.5*cot(phi0(b));
ezplot(f(b), [-15 15]);
grid

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