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#include #define PI 3.1415926 #define S(r) PI*r*r void main() {float a,area; a=3.6; area=S(a); printf("r=%f\narea=%f\n",a,area); }

#include #include void main() { int s; float n,t,pi; t=1;pi=0;n=1.0;s=1; while(fabs(t)>1e-6) {pi=pi+t; n=n+2; s=-s; t=s/n; } pi=pi*4; printf("pi=%10.6f\n",pi);

function[gsrv1]=gngauss(sgma) u=rand; z=sgma*(sqrt(2*log(1/(1-u)))); u=rand; gsrv1=z*cos(2*pi*u);

%Flight Simulator Servo System clear all; close all; J=2; b=0.5; kv=2; kp=15; kd=6; f1=(b+kd*kv); f2=J; F=1; A=1; t=[0:0.001:10]'; %Simulation time r=A*sin(2*pi*F*t); dr=2*pi

function [y]=func(x1,x2,x3) for l1=1:1:3 gs1=-[(x1+pi/6-(l1-1)*pi/6)/(pi/12)]^2; u1(l1)=exp(gs1); end for l2=1:1:3 gs2=-[(x2+pi/6-(l2-1)*pi/6)/(pi/12)]^2; u2(l2)=exp(gs2); end

clear all; close all; L1=-pi/6; L2=pi/6; L=L2-L1; T=L*1/1000; x=L1:T:L2; figure(1); for i=1:1:3 gs=-[(x+pi/6-(i-1)*pi/6)/(pi/12)].^2; u=exp(gs); hold on; plot(x,u); end xlab

function [c,b]=DFT(x,N,str) n=0:N-1; k=-400:400; w=(pi/100)*k; b=w; c=x*(exp(-j*pi/100)).^(n'*k); magX=abs(c); angX=angle(c); subplot(2,1,1); t=max(x); n=0:N-1; stem(n,x,'.'); xlabel('n'

%****************************************************** %程序：EX505.M %功能：质点轨迹动画显示使用实例 %****************************************************** t=0:pi/50:10*pi; %设置t的

function guihd_cos x=0:0.1:4*pi; plot(x,cos(x)); axis([0 4*pi -1 1]); xlabel('x'); ylabel('y=cos(x)');

function guihd_sin x=0:0.1:4*pi; plot(x,sin(x)); axis([0 4*pi -1 1]); xlabel('x');... ylabel('y=sin(x)');