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syms Ka;
syms s;
syms K1;
syms R;
syms T;




G = 9/(s^2 + 2*0.2*3*s + 9);

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%首先定義有哪些符號。
%syms資料型態表示後面的東西是個「symbol」，再在運算時會使用代數規則，而不是計算數值。
%因為要畫間題目，所以一本上題目有什麼，這裡就定義什麼符號。
syms Ka;
syms s;
syms K1;
syms R;
syms T;

%把G打進去，並且找出開路轉移函數Gc

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syms s;
syms K;
para_k = [0.7 3 6];

Ga = K / (s + 7);
Gd = 12.2 / (s * (s + 2.2));

Gc = Ga * Gd;
T = Gc / (1 + Gc);
T = simplify(expand(T))

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set nocompatible              " be iMproved, required
filetype off                  " required

" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

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# 連體積電力學導論 Week 7, 8

## Magnetic Dipole

現在要來導磁偶極的磁場。

不過已經知道 $\vec{A{}}$ 的形式是一次平方反比了，那不就跟電偶極的部分一樣了嗎？

考慮一個 dx, dy 的方形線圈，我們計算他的 $\vec{A{}}$

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HOMEPATH = '~/Downloads/VelocityImages/';
FOLD_NO = [5 10 20 30 40 50 55];
cd(HOMEPATH);

for i = 1:7
    ORIGIN_FOLDER = [num2str(FOLD_NO(i)), '_files'];
    CLEANED_FOLDER = [ORIGIN_FOLDER, '_cleaned'];
    mkdir(CLEANED_FOLDER);
    
    post = '.tif';

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#include<SPI.h>
#include<Servo.h>
#include "RF24.h"


/* Pins for servo motor */
#define PIN_SERVO 6
Servo s;

/* Pins for nrf25l01 as receiver*/

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#include <SPI.h>
#include "RF24.h"

#define CONTROLLER_PIN A0

/* Pins for nrf25l01 as transmitter*/
#define PIN_CE 7
#define PIN_CSN 8
#define PIPE_ADDRESS 0xE8E8F0F0E1LL
RF24 rf24(PIN_CE, PIN_CSN);

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#!/usr/local/bin/bash

yes | sudo apt-get update
yes | sudo apt-get upgrade
yes | sudo apt-get install vim powertop git lightdm-webkit-greeter dconf-cli
yes | sudo apt-get remove gnome-shell-extension-ubuntu-dock

mkdir -p ~/.themes
mkdir -p ~/.icons

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syms A;
syms t positive;
syms t_0 positive;
syms s;
syms omega positive;

sig1 = A * heaviside(t) - A * heaviside(t - t_0);
sig2 = (heaviside(t) - heaviside(t - 2*pi/omega))*sin(omega * t)*A;

sig1 = laplace(sig1, t, s);