代码搜索结果

% il3_8fun.m function f=il3_8fun(x,p) f=1/sqrt(2*pi)*exp((-(x-p).^2)/2).*log2(2./(1+exp(-2*x.*p)));

% script that generates the figure 3.4 of Carrier modulation chapter snrindB=0:0.25:18; for i=1:length(snrindB), snr=10^(0.1*snrindB(i)); P2(i)=Qfunct(sqrt(2*snr)); P4(i)=2*Qfunct(sqrt(4*snr)*si

/* Driver for routine moment */ #include #include #define NRANSI #include "nr.h" #include "nrutil.h" #define PI 3.14159265 #define NPTS 5000 #define NBIN 100 #define NP

function [y]=Qfunct(x) % [y]=Qfunct(x) % y = 1/sqrt(2*pi) * integral from x to inf of exp(-t^2/2) dt. % y = (1/2) * erfc(x/sqrt(2)). y=(1/2)*erfc(x/sqrt(2));

function [gsrv1,gsrv2]=gngauss(m,sgma) %gngauss函数用来生成两个均值为m方差为sgma的自由高斯随机变量 if nargin == 0, m=0; sgma=1; elseif nargin == 1, sgma=m; m=0; end; u=rand; z=sgm

#include #define pi 3.1415 double gaussian(double x) { double resu; resu=-0.5*x*x; resu=exp(resu); resu=resu/sq

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;

function varargout = cos(varargin) %COS (overloaded) % Author Johan L鰂berg % $Id: cos.m,v 1.14 2008/04/08 09:02:48 joloef Exp $ switch class(varargin{1}) case 'double' error('Ove

function varargout = sin (varargin) %SIN (overloaded) % Author Johan L鰂berg % $Id: sin.m,v 1.15 2008/04/08 09:02:48 joloef Exp $ switch class(varargin{1}) case 'double' error('Ov

%用罗盘图和羽毛图绘制复向量 theta=0:0.2:2*pi; z=sin(theta).*exp(j*theta); compass(z) feather(z)