代码搜索：Raspberry Pi
找到约 10,000 项符合「Raspberry Pi」的源代码
代码结果 10,000
www.eeworm.com/read/364985/9884199
m exm0721_4.m
%exm0721_4.m
th = [0:pi/50:2*pi]';
a = [0.5:.5:4.5];
X = cos(th)*a;
Y = sin(th)*sqrt(25-a.^2);
shg
plot(X,Y)
axis('equal'),xlabel('x'), ylabel('y')
title('A set of Ellipses')
www.eeworm.com/read/364985/9884322
m exm07242_1.m
%exm07242_1.m
clf;shg
t=0:pi/50:2*pi;
y=sin(t);
plot(t,y)
axis([0,2*pi,-1.2,1.2])
text(pi/2,1,'\fontsize{16}\leftarrow\itsin(t)\fontname{隶书}极大值')
www.eeworm.com/read/364985/9884425
m exm1134_1.m
%exm1134_1.m
t=(-3*pi:pi/50:3*pi)+eps;
y=sin(t)./t;
hline=plot(t,y); %绘制Sa曲线
cm=uicontextmenu; %创建现场菜单
%制作具体菜单项，定义相应的回调
uimenu(cm,'label','Red','callback','set(hline,''color'',''
www.eeworm.com/read/364985/9884464
m exm07811_1.m
%exm07811_1.m
clf,shg
syms t tao;
y=2/3*exp(-t/2)*cos(sqrt(3)/2*t); %定义符号函数
s=subs(int(y,t,0,tao),tao,t); %获得积分函数
subplot(1,2,1),ezplot(y,[0,4*pi]);grid
subplot(1,2,2),ezplot(s,[0,4*pi]);grid
www.eeworm.com/read/364985/9884486
m exm0721_2.m
%exm0721_2.m
t=(0:pi/100:pi)'; %
y1=sin(t)*[1,-1]; %
y2=sin(t).*sin(9*t); %
t3=pi*(0:9)/9; %
y3=sin(t3).*sin(9*t3);
clf,shg,plot(t,y1,'
www.eeworm.com/read/364985/9884503
m exm0611_2.m
%exm0611_2.m 几种输入下产生矩阵的异同。
a1=sym([1/3,0.2+sqrt(2),pi]) %产生 符号数组
a2=sym('[1/3,0.2+sqrt(2),pi]') %产生 符号数组
a3=sym('[1/3 0.2+sqrt(2) pi]') %2.1版中产生 符号数组
a1_a2=a1-a2
www.eeworm.com/read/364985/9884600
m exm06232_1.m
%exm06232_1.m
%（1）
syms a x;
f=a*sin(x)+5;
%（2）
f1=subs(f,'sin(x)',sym('y')) %
%（3）符号常数置换
f2=subs(f,{a,x},{2,sym(pi/3)}) %
%（4）双精度数值置换
f3=subs(f,{a,x},{2
www.eeworm.com/read/364985/9884605
m exm0611_1.m
%exm0611_1.m 符号常数形成中的差异
a1=[1/3,pi/7,sqrt(5),pi+sqrt(5)] %a1是数值常数
a2=sym([1/3,pi/7,sqrt(5),pi+sqrt(5)]) %最接近的有理表示
a3=sym([1/3,pi/7,sqrt(5),pi+sqrt(5)],'e') %带估计误差的有理表示
a4=s
www.eeworm.com/read/364985/9884632
m exm10222_3.m
%exm10222_3.m
clf reset,shg
t=(0:pi/100:2*pi)';
tt=t*[1 1];
yy=sin(tt)*diag([0.5 1]);
plot(tt,yy)
Hb=findobj(gca,'Color','b') %在当前轴上寻找蓝线的句柄
www.eeworm.com/read/364985/9884642
m exm07415_1.m
%exm07415_1.m
clf,shg
t=-pi/2:pi/12:pi/2; %在负90度到正90度区间中，每15度取一点。
r=ones(size(t)); %单位半径
[x,y]=pol2cart(t,r); %极坐标转化为直角坐标
subplot(1,2,1),compass(x,y),title('Compass')
subplot(1,2,2),feather(