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Khảo sát ứng dụng MATLAB trong điều khiển tự động




              TẬP LỆNH CƠ BẢN CỦA MATLAB
                                  I.   LỆNH CƠ BẢN
Chú ý: Các lệnh đều viết bằng chữ thường, nhưng vì tác giả muốn viết hoa để người xem tiện
theo dõi.
1. Lệnh ANS
a) Công dụng: (Purpose)
    Là biến chứa kết quả mặc định.
b) Giải thích: (Description)
    Khi thực hiện một lệnh nào đó mà chưa có biến chứa kết quả, thì MATLAB lấy biến Ans
làm biến chứa kết quả đó.
c) Ví dụ: (Examples)
    2-1
    ans = 1
2. Lệnh CLOCK
a) Công dụng: (Purpose)
   Thông báo ngày giờ hiện tại.
b) Cú pháp:(Syntax)
    c = clock
c) Giải thích: (Description)
   Để thông báo dễ đọc ta dùng hàm fix.
d) Ví dụ: (Examples)
    c = clock
    c=
          1.0e+003*
          2.0010 0.0040 0.0200 0.0030 0.0420 0.0501
    c = fix(clock)
    c = 2001          4    20     3    43   3
3. Lệnh COMPUTER
a) Công dụng: (Purpose)
Cho biết hệ điều hành của máy vi tính đang sử dụng Matlab.

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Nhom lenh co ban

  • 1. Khảo sát ứng dụng MATLAB trong điều khiển tự động TẬP LỆNH CƠ BẢN CỦA MATLAB I. LỆNH CƠ BẢN Chú ý: Các lệnh đều viết bằng chữ thường, nhưng vì tác giả muốn viết hoa để người xem tiện theo dõi. 1. Lệnh ANS a) Công dụng: (Purpose) Là biến chứa kết quả mặc định. b) Giải thích: (Description) Khi thực hiện một lệnh nào đó mà chưa có biến chứa kết quả, thì MATLAB lấy biến Ans làm biến chứa kết quả đó. c) Ví dụ: (Examples) 2-1 ans = 1 2. Lệnh CLOCK a) Công dụng: (Purpose) Thông báo ngày giờ hiện tại. b) Cú pháp:(Syntax) c = clock c) Giải thích: (Description) Để thông báo dễ đọc ta dùng hàm fix. d) Ví dụ: (Examples) c = clock c= 1.0e+003* 2.0010 0.0040 0.0200 0.0030 0.0420 0.0501 c = fix(clock) c = 2001 4 20 3 43 3 3. Lệnh COMPUTER a) Công dụng: (Purpose) Cho biết hệ điều hành của máy vi tính đang sử dụng Matlab.