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1.函数 2.程序 3.图形 目的：掌握Matlab作平面曲线图的方法与技巧
第一单元 第3课 实验 基本初等函数的绘图 1.函数 2.程序 3.图形 目的：掌握Matlab作平面曲线图的方法与技巧
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1.函数 exp(x) sin(x) csc(x) cos(x) tan(x) cot(x) arcsin(x) arccos(x)
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2.程序 function [ output_args ] = Experiment01( input_args ) %一元函数的图形 clc; close all; x=0:0.1:2; y1=x.^2; y2=sqrt(x); figure(1); plot(x,y1,':',x,y2,'-'); grid on; figure(2); ezplot('cos(t)','sin(t)',[0,2*pi]); grid on; figure(3); theta=0:0.1:2*pi; rho=3*cos(3*theta); polar(theta,rho); grid on; hold on;
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ezpolar('3*cos(3*t)'); figure(4); ezplot('(x^2+y^2)^2-x^2+y^2',[-1,1,-0.5,0.5]); grid on; figure(5); ezplot('2*cos(t)','sin(t)',[0,2*pi]); grid on; figure(6); ezplot('2*cos(t)^3','2*sin(t)^3',[0,2*pi]); grid on; figure(7); ezplot('2*(t-sin(t))','2*(1-cos(t))',[0,4*pi]); grid on; figure(8); rho=2*(1-cos(theta)); polar(theta,rho); figure(9); theta=0:0.1:8*pi; rho=exp(0.1*theta); polar(theta,rho); end
![ezpolar( 3*cos(3*t) ); figure(4); ezplot( (x^2+y^2)^2-x^2+y^2 ,[-1,1,-0.5,0.5]); grid on; figure(5); ezplot( 2*cos(t) , sin(t) ,[0,2*pi]); grid on; figure(6); ezplot( 2*cos(t)^3 , 2*sin(t)^3 ,[0,2*pi]); grid on; figure(7); ezplot( 2*(t-sin(t)) , 2*(1-cos(t)) ,[0,4*pi]); grid on; figure(8); rho=2*(1-cos(theta)); polar(theta,rho); figure(9); theta=0:0.1:8*pi; rho=exp(0.1*theta); polar(theta,rho); end](http://slidesplayer.com/slide/16298439/95/images/4/ezpolar%28+3%2Acos%283%2At%29+%29%3B+figure%284%29%3B+ezplot%28+%28x%5E2%2By%5E2%29%5E2-x%5E2%2By%5E2+%2C%5B-1%2C1%2C-0.5%2C0.5%5D%29%3B+grid+on%3B+figure%285%29%3B+ezplot%28+2%2Acos%28t%29+%2C+sin%28t%29+%2C%5B0%2C2%2Api%5D%29%3B+grid+on%3B+figure%286%29%3B+ezplot%28+2%2Acos%28t%29%5E3+%2C+2%2Asin%28t%29%5E3+%2C%5B0%2C2%2Api%5D%29%3B+grid+on%3B+figure%287%29%3B+ezplot%28+2%2A%28t-sin%28t%29%29+%2C+2%2A%281-cos%28t%29%29+%2C%5B0%2C4%2Api%5D%29%3B+grid+on%3B+figure%288%29%3B+rho%3D2%2A%281-cos%28theta%29%29%3B+polar%28theta%2Crho%29%3B+figure%289%29%3B+theta%3D0%3A0.1%3A8%2Api%3B+rho%3Dexp%280.1%2Atheta%29%3B+polar%28theta%2Crho%29%3B+end.jpg "ezpolar( 3*cos(3*t) ); figure(4); ezplot( (x^2+y^2)^2-x^2+y^2 ,[-1,1,-0.5,0.5]); grid on; figure(5); ezplot( 2*cos(t) , sin(t) ,[0,2*pi]); grid on; figure(6); ezplot( 2*cos(t)^3 , 2*sin(t)^3 ,[0,2*pi]); grid on; figure(7); ezplot( 2*(t-sin(t)) , 2*(1-cos(t)) ,[0,4*pi]); grid on; figure(8); rho=2*(1-cos(theta)); polar(theta,rho); figure(9); theta=0:0.1:8*pi; rho=exp(0.1*theta); polar(theta,rho); end")
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3.图形
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