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#include #include #include using namespace std; int main() {int s=1; double n=1,t=1,pi=0; while((fabs(t)) > 1e-7) {pi=pi+t; n=n+2; s=-s; t=s/n;

#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)); }

#include #include #define pi 3.1415926535//给圆周率赋值 double power (double x, int k);//输出x的n次方的函数 double difff (double x, int k);//输出函数x*cos(x)的n阶导数的函数 void main () {

% ========================================================== % % Neural Networks A Classroom Approach % Satish Kumar % Copyright Tata McGraw Hill, 2004

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %7/16/2008 ZHANGSONG %RayleighCH.m %根据论文《改进型JAKES模型在OFDM系统中的仿真》编写的信道模型 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function H=RayleighC

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %7/16/2008 ZHANGSONG %RayleighCH.m %根据论文《改进型JAKES模型在OFDM系统中的仿真》编写的信道模型 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function H=RayleighC

clear all; close all; clc; theta=-90:0.1:90;%ULA估计角度变化的范围和频率选择 Ltheta=length(theta); SNR=[-10:30];%信噪比单位是dB.ps已经确定为2.由xxx的计算可知。 ps=2; Lsnr=length(SNR); temp=10.^(SNR/10); sigmaN=sqrt(ps./tem

/* pizza.c -- uses defined constants in a pizza context */ #include #define PI 3.14159 int main(void) { float area, circum, radius; printf("What is the radius of your pizza?\

function val = vprob(ev,he) % PURPOSE: returns val = (1/sqrt(2*pi*he))*exp(-0.5*ev*ev/he) % ----------------------------------------------------------- % USAGE: val = vprob(ev,he) % where ev = scalar

/////////////////////////////////////////////////////////////////////// // C O N F I G I S O 1 4 4 4 3 T Y P E /////////////////////////////////////////////////////////////////////// unsigned ch