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chengxuan yu


Da Lian Maritime University

Active since 2011

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Professional Interests: Data Analysis

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Answered
simulink error:Class mismatch for variable 'exist'. Expected 'logical', Actual 'double'.
Because 'exist' return a double value and 'if' need to follow a logical value. you can modify the code like this: if ise...

nästan 7 år ago | 0

Question


How to setting the simulation step in command window
Thanks in advance, any comments will be appreicate。 ① I want use Command window let the simulation stepforward for two step, ...

nästan 8 år ago | 1 answer | 0

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answer

Answered
Error: Conflicting signal specifications
I met this Error today, but I cannot recurrent it now, and i forget how i solve it. Maybe you change the configure parameter, yo...

nästan 8 år ago | 0

Question


How to find the crosspoint of two curve
I have a array below,[-0.1227 0.0581 0.0733 -0.1087 -0.1375 0.1031 0.1839 -0.0309],now I use the function of 's...

ungefär 11 år ago | 1 answer | 0

1

answer

Question


matlab read .dat files
Can matlab read .dat files which is generated by the INCA(Etas software)? The dat file can be seen only by the Measure Date Ana...

ungefär 11 år ago | 1 answer | 0

1

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Question


How can I see the source code of the .dll file that maltab can transfer
I see a lot of toolbox that contains some .dll file, I think it is very useful. Now I want to research the code but I cannot se...

mer än 11 år ago | 1 answer | 0

1

answer

Question


INCA Matlab Interface setup problems
Thanks in advance, any comments will be appreciate! The question is below: When I setup INCAMatlabInterface program, it point o...

mer än 11 år ago | 0 answers | 0

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answers

Question


Use matlab write data to excel
Thanks in advance, any comments will be appreciate! I have data that I have write to a cell in an Excel Spreadsheet, but I also...

mer än 11 år ago | 1 answer | 0

1

answer

Question


the use of Regress
Thanks in advance, any comments will be appreciate! [B,BINT,R,RINT,STATS] = regress(Y,X) Did the vector X 'must' contain an on...

mer än 11 år ago | 1 answer | 0

1

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Question


How to read the designated position date in excel
Thanks in advance, any comment will be appreciated. I have an excel including some ruled datas. Everyone knows that a data in e...

mer än 11 år ago | 1 answer | 0

1

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Question


plot N*N pane questions
I want to plot a N*N pane figure, N is an integer.Who know how can I do that? Thanks in advance; any comments will be appreciate...

mer än 12 år ago | 1 answer | 0

1

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Answered
I have a matrix q and i need the diagonal of qq'
Does the q is the z and q' is the transposed matrix of q?

ungefär 13 år ago | 0

Answered
The problem of removing the data from the matrix
Thank you for your answer, you solve part of my question.But what the remaining question is that only one array number is output...

mer än 13 år ago | 0

Question


The problem of removing the data from the matrix
I have an array including about 100 numbers.We assume the number is from 1 to 100.I want to get 7 numbers from the array, then c...

mer än 13 år ago | 6 answers | 0

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