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Dingyu Xue


Northeastern Univ

11 total contributions since 2000

Professor, Control Engineering
Faculty of Information Science and Engineering

Professional Interests: control theory, simulation, MATLAB in education

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Question


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,-...

9 months ago | 1 answer | 0

1

answer

Question


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...

9 months ago | 2 answers | 0

2

answers

Submitted


FOTF Toolbox
A collection of MATLAB files for fractional calculus and fractional-order control

10 months ago | 44 downloads |

Question


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

3 years ago | 1 answer | 1

1

answer

Question


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...

3 years ago | 0 answers | 1

0

answers

Question


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...

4 years ago | 0 answers | 0

0

answers

Submitted


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

6 years ago | 13 downloads |

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Submitted


Feedback Control Systems
Companion Software

15 years ago | 9 downloads |

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Submitted


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

16 years ago | 2 downloads |

Submitted


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

18 years ago | 4 downloads |

Submitted


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

18 years ago | 17 downloads |