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Dingyu Xue


Last seen: 대략 2개월 전 |  2002년부터 활동

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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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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 ...

5년 초과 전 | 답변 수: 1 | 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...

5년 초과 전 | 답변 수: 1 | 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,-...

7년 초과 전 | 답변 수: 1 | 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...

7년 초과 전 | 답변 수: 2 | 0

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

거의 10년 전 | 답변 수: 1 | 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...

거의 10년 전 | 답변 수: 0 | 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...

대략 11년 전 | 답변 수: 0 | 0

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