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Raspberry Pi 的代码
systemz_2.m
%分析系统函数H(Z)=(2*z^(-1)-z^(-2)+z^(-3))/(1+z^(-1)+z^(-2)/2)零极图，稳定性，及系统单位抽样响应
syms z n
B=[0 2 -1 1];
A=[1 1 1/2 0];
sys=filt(B,A)
%%%求零极点，在命令窗口显示结果
sprintf('系统函数的零极点为:')
[z,p,k]=tf2zp(B,A);
z
p
modifiedmusic.m
%改进music算法10阵元等距阵波达方向估计（d=λ/2）,2信源，前向-后向 空间平滑 5个子阵（6阵元） 最小范数
clear
w1=pi/4;
w2=pi/3;
kp=2048;
a1=[exp(-j*pi*sin(w1)*[0:9])].';
a2=[exp(-j*pi*sin(w2)*[0:9])].';
A=[a1,a2];
k=1:kp;
s=[cos(k*0.0
test1_13.txt
/*输入一个圆的半径，求出它的面积*/
#include “stdio.h”
#define PI 3.1415926
#define area(r) PI*r*r
main()
{
float r,a;
scanf(“%f”,&r);
a=area(r);
printf(“The area is %f”,a);
}
test1_13.txt
/*输入一个圆的半径，求出它的面积*/
#include “stdio.h”
#define PI 3.1415926
#define area(r) PI*r*r
main()
{
float r,a;
scanf(“%f”,&r);
a=area(r);
printf(“The area is %f”,a);
}
13kfft0.c
#include "stdio.h"
#include "13kfft.c"
#include "math.h"
main()
{ int i,j;
double pr[64],pi[64],fr[64],fi[64];
for (i=0; i
exp_out.c
#include
void main(void)
{
float pi = 3.14159;
float radius = 2.0031;
printf("The circle's area is %e\n", 2 * pi * radius);
printf("The circle's area is %E\n", 2 * pi
show_tan.c
#include
#include
void main(void)
{
double pi = 3.14159265;
printf("Tangent of pi is %f\n", tan(pi));
printf("Tangent of pi/4 is %f\n", tan(pi / 4.0));
}
ex10_5.m
t=0:pi/20:2*pi;
y1=sin(t);
y2=cos(t);
figh=figure('Position',[30,100,800,350]);
axes('GridLineStyle','-.','XLim',[0,2*pi],'YLim',[-1,1]);
line('XData',t,'YData',y1,'LineWidth',2);
line(t,y2);
g
ex10_4.m
clf; %清除图形窗口中的内容
x=linspace(0,2*pi,20);
y=sin(x);
axes('Position',[0.2,0.2,0.2,0.7],'GridLineStyle','-.');
plot(y,x);
grid on
axes('Position',[0.4,0.2,0.5,0.5]);
t=0:pi/1
ex10_3.m
x=linspace(0,2*pi,60);
y=sin(x);
hf=figure('Color',[0,1,0],'Position',[1,1,450,250],...
'Name','我的图形窗口','NumberTitle','off','MenuBar','none',...
'KeyPressFcn', 'plot(x,y);axis([0