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  1. 利用quad可以做數值積分 例如要積分y = 1./(x.^3-2*x-5),可以先寫一個函數myfun.m function y = myfun(x) y = 1./(x.^3-2*x-5); 假設要將上式積分由0到2,則用 >>Q = quad(@myfun,0,2) Q = -0.4605 2008-04-26 21:13:59 補充: 因為你用數學是所解為正解,而數值方法為近似解,會有誤差

  2. ...197-x)*normpdf(x,200,50)','x',0,197) Warning: Explicit integral could not be found. > In sym.int at 58 In char.int at 9...

  3. ...the plan sponsor believes in active management, currencies should be an integral part of the tactical asset allocation and security valuation process. 貴校必須有訂該雜誌...

  4. ...f(x) "所找到的 x 值 積分值取函式 " integration " 的輸出部分: " Integral of Y" array 中 最後一個數值 再取 絕對值即可 如果要寫的 自動...

  5. ... XP (註3). A DVD-ROM may be external (not integral , not built into the system). 這麼多字看不懂?沒關係,到下列網址下載...

  6. ...的控制面板 之後它有三個分頁 第三個Area就可以去計算面積 在 Integral Cureve中選Not Created 之後點選下面的按鍵 Use...

  7. ...(1,t0/(3*ts)+1)];int_m(1)=0;for i=1:length(t)-1;             % integral of m    int_m(i+1)=int_m(i)+m(i)*ts;echo off ;endecho on ;[M,m,df1...

  8. ...frequency resolutionm=sinc(100*t);         % the message signalint_m(1)=0;            % integral of m for i=1:length(t)-1int_m(i+1 )=int_m(i)+m(i)*ts;echo off ;endecho on...

  9. ...3*ts)),zeros(1,t0/(3*ts)+1)]; int_m(1)=0;            % integral of m  for i=1:length(t)-1int_m(i+1 )=int_m(i)+m(i)*ts; echo off ; end echo...