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a=0;b=2*pi;n=1000;h=(b-a)/n; x=a:h:b;y=0; f=cos(x-pi/6).*sin(x+pi/6); for i=1:n s(i)=(f(i)+f(i+1))*h/2; y=y+s(i); end y

#!/bin/bash # printf 示例 PI=3.14159265358979 DecimalConstant=31373 Message1="Greetings," Message2="Earthling." echo printf "Pi to 2 decimal places = %1.2f" $PI echo printf "Pi to 9 decimal places =

a=0;b=2*pi;n=1000;h=(b-a)/n; x=a:h:b;y=0; f=cos(x-pi/6).*sin(x+pi/6); for i=1:n s(i)=(f(i)+f(i+1))*h/2; y=y+s(i); end y

%fourier0.m ---> example of Fourier decomposition of periodic functions To=0.02; %period h=20; %number of harmonics t=(0:To/500:To)'; %%% Periodic signal

function y=panbie1(x) p=x(1); n=x(2); pi=x(3); ni=x(4); y=(2*pi/p-pi^2*(n-ni)/p^2)/ni/(ni+1)-pi^2/p^2/ni^2;

a=0;b=2*pi;n=1000;h=(b-a)/n; x=a:h:b;y=0; f=cos(x-pi/6).*sin(x+pi/6); for i=1:n s(i)=(f(i)+f(i+1))*h/2; y=y+s(i); end y

a=0;b=2*pi;n=1000;h=(b-a)/n; x=a:h:b;y=0; f=cos(x-pi/6).*sin(x+pi/6); for i=1:n s(i)=(f(i)+f(i+1))*h/2; y=y+s(i); end y

a=0;b=2*pi;n=1000;h=(b-a)/n; x=a:h:b;y=0; f=cos(x-pi/6).*sin(x+pi/6); for i=1:n s(i)=(f(i)+f(i+1))*h/2; y=y+s(i); end y

function y=panbie1(x) p=x(1); n=x(2); pi=x(3); ni=x(4); y=(2*pi/p-pi^2*(n-ni)/p^2)/ni/(ni+1)-pi^2/p^2/ni^2;

clear all; clc; close all; format long; a1=pi/4; a2=pi/4; da=0.1*pi;% h=0.001; t=5; w=2*pi*30; bt=rem(t,h); bbt=t-bt; n1=bbt/h; k=0; for i=1:n1 t(:,i)=(i-1)*h; oo=w*t(: