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Raspberry Pi 的代码
p1-100.cpp
#include
#define PI 3.1416
main() {
int i=100;
#if 1
cout
gamicheval.m
function [sol,val] = gaMichEval(sol,options)
val = 21.5 + sol(1) * sin(4*pi*sol(1)) + sol(2)*sin(20*pi*sol(2));
%G=zeros(0);
%val = sqrt(sol(1)) * sin(2*sol(1)) + sqrt(sol(1))*cos(5*sol(1))+5;
gaussian.c
#include
#define pi 3.1415
double
gaussian(double x)
{
double resu;
resu=-0.5*x*x;
resu=exp(resu);
resu=resu/sq
xt3-2.cpp
#include
#include
using namespace std;
int main ( )
{float h,r,l,s,sq,vq,vz;
const float pi=3.1415926;
coutr>>h;
l=2*pi*r;
s=r*r*pi;
sq
vc0407.cpp
// Example 4-7：求π的近似值
#include
#include
void main()
{
int s = 1;
double n = 1.0, u = 1.0, pi = 0.0;
while(fabs(u)>=1e-4)
{
pi = pi+u;
n = n+2;
s = -s;
u =
ideal.m
function hd=ideal(w,N);
alpha=(N-1)/2;
n=[0:(N-1)];
m=n-alpha+eps;
hd=sin(w*m)./(pi*m);
main.asv
close all;
b=1;
while(b==1)
N=input('请输入窗的长度N=:\n');
w1=input('请输入上截止频率W1(rad/pi):\n');
w2=input('请输入下截止频率W2(rad/pi):\n');
w1=w1*pi;
w2=w2*pi;
hd=ideal(w1,N)-id
window.m
function [x,n,string]=window(N)
n=0:N-1;
k=input('请选择窗的类型(1、矩形窗(boxcar) 2、汉宁窗（hanning） 3、汉明窗（hamming） 4、布拉克曼窗(blackman) 5、凯泽窗(Kaiser)(1,2,3,4,5):');
switch k
case 1
x=juxing(0,N-1,0,N
main.m
close all;
b=1;
while(b==1)
N=input('请输入窗的长度N=:\n');
w1=input('请输入上截止频率W1(rad/pi):\n');
w2=input('请输入下截止频率W2(rad/pi):\n');
w1=w1*pi;
w2=w2*pi;
hd=ideal(w1,N)-id
ex050800.m
% Chapter 05: Example 05.08: HiRes Spectrum
%
% High resolution spectrum based on 100 samples of the signal x(n)
subplot(1,1,1)
n=[0:1:99];
x=cos(0.48*pi*n)+cos(0.52*pi*n);
subplot(2,1,1);stem(n,x);ti