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Dingyu Xue


Northeastern Univ

Last seen: 8 days 前 |  自 2002 起处于活动状态

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Professor, Control Engineering Faculty of Information Science and Engineering Professional Interests: control theory, simulation, MATLAB in education

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FOTF Toolbox
FOTF Toolbox for fractional-order systems

2 years 前 | 108 次下载 |

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Is this a bug in double precision data type?
Try this n=7; eye(n)*inf+ones(n) I got ans = Inf NaN NaN NaN NaN NaN NaN NaN Inf NaN NaN NaN ...

5 years 前 | 1 个回答 | 0

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Is it possible to convert the whole Simulink model into a state space one?
Dear friends In fact I am thinking of simulate a system, whose terminal information at t_k is known, and the information at t_0...

5 years 前 | 1 个回答 | 0

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an error in new versions? triognometric function of A*t
Please run the following code in MATLAB R2017a A1=simplify(A1), A2=simplify(A2) A=[-7,2,0,-1; 1,-4,2,1; 2,-1,-6,-1; -1,-...

6 years 前 | 1 个回答 | 0

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A bug im simplify in the new Symbolic Toolbox?
Dear developpers Recently I run my codes in my book in the new versions of MATLAB if true A=[-7,2,0,-1; 1,-4,2,1; 2,-1,-6...

6 years 前 | 2 个回答 | 0

2

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problems in accuracy assessment
Dear friends I tried continued fractiona approximation to pi, and got the following rational approximation 124496998874578...

9 years 前 | 1 个回答 | 1

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A possible bug in symbolic limit function regarding complex entities?
The code I tried >> syms z; F=1/(z-1)^2+3/(z-1)+5/(z+1i)+6/(z-1i)^2+1/(z-2)^2+1/(z-2) % original function, f1=(z...

9 years 前 | 0 个回答 | 1

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Problems with Simulink to eps
Dear colleagues Probably from MATLAB 2012b, the exporting of Simulink to eps file is changed. The following command is OK bor e...

10 years 前 | 0 个回答 | 0

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OptimPID: an optimal PID controller design interface
OptimPID is a MATLAB based interface and it can be used to optimize PID parameters

12 years 前 | 8 次下载 |

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Feedback Control Systems
Companion Software

15 years 前 | 4 次下载 |

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graphics_tools
A graphics toolkit, Graf_Tool() which can be used to process and edit graphics.

15 years 前 | 3 次下载 |

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CtrlLAB
CtrlLAB provides a graphical interface to perform feedback system analysis and design.

15 years 前 | 3 次下载 |

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Improved Algebra files
Comput roots and polynomial functions with high accuracy.

22 years 前 | 3 次下载 |