代码搜索:Raspberry Pi
找到约 10,000 项符合「Raspberry Pi」的源代码
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www.eeworm.com/read/257196/11944852
m samp3_1ex.m
%Samp3_1
clear all %将工作空间中的所有变量清除
N=256;dt=0.02; %数据的个数和采样间隔
n=0:N-1;t=n*dt; %序号序列和时间序列
x=sin(2*pi*t)+0.5*sin(2*pi*5*t); %信号加得到的合成信号
m=floor(
www.eeworm.com/read/154488/11950758
m exp2_4_.m
close all
clc
clear
%定义时间范围
t=[0:pi/20:9*pi];
hold on %允许在同一坐标系下绘制不同的图形
plot(t,sin(t),'r:*')
plot(t,cos(t))
plot(t,-cos(t),'k')
grid on %在所画出的图形坐标中添加栅格,注意用在plot之后
hold off %覆盖旧图
www.eeworm.com/read/154488/11950772
m exp2_4.m
close all
clc
clear
%定义时间范围
t=[0:pi/20:9*pi];
figure(1) %选择图像
plot(t,sin(t),'r:*')
grid on %在所画出的图形坐标中添加栅格,注意用在plot之后
grid off %删除栅格
figure(2)
plot(t,cos(t))
grid on
grid off
www.eeworm.com/read/257078/11950919
m e0208.m
t1=linspace(0,2*pi,5) %从0到2*pi等分成5个点
linspace(1,8,8)
linspace(1,8,1)
t2=logspace(0,2,3) %从1到100(即101到102)按对数等分成3个点
www.eeworm.com/read/257078/11950928
m e0242.m
x=5317;y=int2str(x)
p=num2str(pi,7)
a=[1 2 3;4 5 6] ;
b=mat2str(a)
str=sprintf('The value of pi=%8.6f.',pi)
www.eeworm.com/read/257078/11951099
m e0550.m
syms x
syms p real
int(1/x^p,x,1,inf)
%对第二个积分输入命令:
int(1/(2*pi)^(1/2)*exp(-x^2/2),-inf,inf)
%对后一个积分输入命令:
int(1/(1-x)^2,0,2)
www.eeworm.com/read/257078/11951126
m e0602.m
x=1:pi/100:4;
y=2*exp(-0.5*x).*log(2*pi*x);%y的结果为数组乘运算
plot(x,y)
www.eeworm.com/read/257078/11951263
m e0605.m
x=-pi:pi/10:pi;xx=x+(x==0&x==pi&x==-pi)*eps;%补充真数为零的点
yy=log(abs(sin(xx)));plot(x,yy)
title('This is figure of the five example. '); %给图形加上标题
axis([-3.2 3.2 -45 0])
xlabel('x'),ylabel('yy');grid o
www.eeworm.com/read/257078/11951284
m e0603.m
x=0:pi/100:2*pi;y1=2*sin(2*x);y2=3*sin(3*x);
plot(x,y1,x,y2)%在同一个坐标系分别绘制二维图形
title('This is figure of the third example. '); %给图形加上标题
xlabel('x'); %给x轴加标注
ylabel('y');
legend('2*sin(2*x)' ,'3*
www.eeworm.com/read/256531/11990514
m koch.m
function k=koch(x1,y1,x2,y2)
% d为迭代终止的条件
d=0.5;
if (x2-x1)^2+(y2-y1)^2