Dingyu Xue
Northeastern Univ
Professor, Control Engineering Faculty of Information Science and Engineering Professional Interests: control theory, simulation, MATLAB in education
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Accept 2 answers given by other contributors
Awarded to Dingyu Xue on 15 Feb 2022
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Awarded to Dingyu Xue on 01 Nov 2019
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Awarded to Dingyu Xue on 09 Oct 2019
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Awarded to Dingyu Xue on 09 Oct 2019
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Awarded to Dingyu Xue on 20 Jul 2017
Content Feed
Question
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 ...
etwa 3 Jahre ago | 1 answer | 0
1
answerQuestion
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...
etwa 3 Jahre ago | 1 answer | 0
1
answerQuestion
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,-...
fast 5 Jahre ago | 1 answer | 0
1
answerQuestion
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...
fast 5 Jahre ago | 2 answers | 0
2
answersQuestion
problems in accuracy assessment
Dear friends I tried continued fractiona approximation to pi, and got the following rational approximation 124496998874578...
mehr als 7 Jahre ago | 1 answer | 1
1
answerQuestion
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...
mehr als 7 Jahre ago | 0 answers | 1
0
answersQuestion
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...
fast 9 Jahre ago | 0 answers | 0
0
answersSubmitted
OptimPID: an optimal PID controller design interface
OptimPID is a MATLAB based interface and it can be used to optimize PID parameters
mehr als 10 Jahre ago | 9 downloads |
Submitted
graphics_tools
A graphics toolkit, Graf_Tool() which can be used to process and edit graphics.
fast 14 Jahre ago | 2 downloads |
Submitted
CtrlLAB
CtrlLAB provides a graphical interface to perform feedback system analysis and design.
fast 14 Jahre ago | 5 downloads |
Submitted
Improved Algebra files
Comput roots and polynomial functions with high accuracy.
mehr als 20 Jahre ago | 2 downloads |
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