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Raspberry Pi 的代码
ex2302.m
%例23-2 简单画线函数line
x=0:0.4*pi:2*pi;
y=sin(x);
line(x,y) %如图23-3
ex1009.m
%例10-9 函数句柄的创建和调用
fhd=@sin
x=0:0.25*pi:2*pi;
fhd(x)
sinc.m
function y=sinc(x)
% Y=SINC(X), determines the sinc function
y=(sin(pi*x)+(x==0))./(pi*x+(x==0));
examp10_34.m
t=0:0.01:pi; y=sin(3*t+1); y1=3^0.75*sin(3*t+1+0.75*pi/2);
y2=glfdiff(y,t,0.75); plot(t,y1,t,y2)
examp2_4.m
v1=0: 0.2: pi % 注意，最终取值为 3 而不是 pi
v2=0: -0.1: pi % 步距为负，显然不能生成向量，故得出空矩阵
v3=0:pi % 取默认步距1
v4=pi:-1:0 % 逆序排列构成新向量
examp2_24.m
theta=0:0.01:6*pi; rho=5*sin(4*theta/3); polar(theta,rho)
rho=5*sin(theta/3); polar(theta,rho)
examp5_2.m
syms x w; f=x^2*exp(-2*x)*sin(x+pi);
F=laplace(f,x,w)
ilaplace(F)
sinc.m
function y=sinc(x)
% Y=SINC(X), determines the sinc function
y=(sin(pi*x)+(x==0))./(pi*x+(x==0));
rastrigrin.m
function y=Rastrigrin(x)
t=x.*x-10*cos(2*pi*x)+10;
y=sum(t')';
rastrigrin.asv
function y=Rastrigrin(x)
t=x.*x-10*cos(2*pi*x)+10
y=sum(t);