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QiQin Zhan


Shanghai JiaoTong University

40 total contributions since 2013

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Question


can Matlab be used to make simulation of tasks on an assembly line?
<</matlabcentral/answers/uploaded_files/28258/Capture2.PNG>> Three robots are working together on an assembly line to pick th...

plus de 3 ans ago | 1 answer | 0

1

answer

Question


what kind of sample times is allowed in iterator subsystem?
I'm using the integrator(1/s) in a for-iterator block, but somehow it comes out an error 'Assem_new2/For Iterator Subsystem...

plus de 3 ans ago | 0 answers | 0

0

answers

Question


How to make real-time simulation in simMechanics?
Hello, I'm doing a simulink project that I think is somewhat related to real-time simulation, but I have some troubles recently....

plus de 3 ans ago | 1 answer | 0

1

answer

Question


How to extend the range of input data in simulink?
I have a series of data named 'timeSeriesData', the data type of which is 'double timeseries'. The time range of data is 0~10s a...

plus de 3 ans ago | 0 answers | 0

0

answers

Question


How to switch the input data from workspace into Simulink as the time goes on?
In general, Simulink is able to work well with the predefined input data, using the 'From Workspace' block. However, in my syste...

plus de 3 ans ago | 0 answers | 0

0

answers

Answered
unable to call windows API "FindWindow" and errors in using calllib
Does anyone have some ideas?

plus de 3 ans ago | 0

Question


unable to call windows API "FindWindow" and errors in using calllib
I want to use the windows api of "FindWindow" to get the handle of an opened window. The following is the code. addpath(...

plus de 3 ans ago | 2 answers | 0

2

answers

Question


How to get the handle of simulink window in matlab
I want to embed the simulation result of simMechanics into my self-created GUI. So I think the first thing I should do is to get...

plus de 3 ans ago | 1 answer | 0

1

answer

Question


errors when generating certain motions of Revolute Joint in simMechanics
The model: <</matlabcentral/answers/uploaded_files/27438/3.PNG>> The simMechanics system is as follow: <</mat...

plus de 3 ans ago | 1 answer | 0

1

answer

Question


is it possible to display simulink model on GUI created by ourselves?
It's common for us to see the simulation process(such as the simulation process simMechanics) on the GUI provided by mathworks.B...

plus de 3 ans ago | 0 answers | 0

0

answers

Question


is it possible to display simulink model on GUI created by ourselves?
It's common for us to see the simulation process(such as the simulation process simMechanics) on the GUI provided by mathworks.B...

plus de 3 ans ago | 0 answers | 0

0

answers

Question


How to import the C++array into matlab workspace by matlab engine?
Currently I am using the Matlab Engine in visual studio and there is a two dimensional array in my cpp file.The question is how ...

presque 4 ans ago | 0 answers | 1

0

answers

Submitted


Simulation of Random Walk
Random walk model is made to explain the Brownian motion.

presque 5 ans ago | 6 downloads |

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Question


How can I change the size of a formular when publishing the file
The formualr is as follows, $$ f=\frac{6r}{na^2}e^{-\frac{3}{na^2}r^2} $$

presque 5 ans ago | 0 answers | 0

0

answers

Question


Questions about uploading my code
I've just written some matlab code and I want to upload it to 'File Exchange'.The problem is that I didn't buy Matlab.The code i...

presque 5 ans ago | 2 answers | 0

2

answers

Answered
How to modify the handles structure (GUI) from an external function
I suggest using the function handles. http://www.mathworks.cn/matlabcentral/answers/65727-how-to-call-the-callback-function-i...

plus de 5 ans ago | 0

Question


Context menus didn't show where it should be.
I use a ButtonDownFcn of axes1 to generate a context.However,all seems to be right except that the context doesn't show where th...

plus de 5 ans ago | 0 answers | 0

0

answers

Answered
The interesting error I occur when I push the two button at the same time.
I think I've known what's wrong.The code in pushbutton1_callback opens a msgbox. If I comment the msgbox,there would be no error...

plus de 5 ans ago | 0

Question


The interesting error I occur when I push the two button at the same time.
In my gui code,there is a pushbutton1_callback function and a pushbutton2_callback function with a for loop and waitbar. If I...

plus de 5 ans ago | 1 answer | 0

1

answer

Answered
How to call the Callback function (in a subfunction of another Callback function)?
I think it may be the first error you've said. If I have a experment.m file,the code is as follows function test1 x...

plus de 5 ans ago | 0

Question


How to call the Callback function (in a subfunction of another Callback function)?
The following is my code: function pushbutton1_Callback(hObject, eventdata, handles) body function pushbutton...

plus de 5 ans ago | 3 answers | 0

3

answers

Question


How to share variables in different callback function?
In my code,xdata exists in 'pushbutton1_Callback' function function pushbutton1_Callback(hObject, eventdata, handles) ha...

plus de 5 ans ago | 1 answer | 0

1

answer

Question


Something wrong with opening the html in GUI
I publish a html for my GUI code and it can be opened using the code web('D:\MATLAB\code\GUI\mypublish.html') However ,a...

plus de 5 ans ago | 1 answer | 0

1

answer

Question


How to pause the code?
We can use 'Pause'function to pause what's running(e.g in a for loop).If we want to continue,we can just press the keyboard.Then...

plus de 5 ans ago | 2 answers | 0

2

answers

Question


Question on the use of 'Return'
What's the difference between try body catch return end and try body end

plus de 5 ans ago | 1 answer | 0

1

answer

Question


How can I exclude some code from being published to document?
How can I exclude some code from being published to document?

plus de 5 ans ago | 0 answers | 0

0

answers

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 5 ans ago

Question


publish a document with some pictures and no code
I want to publish a document on the use GUI program,so there should be some pictures created by GUI and codes should be excluded...

plus de 5 ans ago | 1 answer | 0

1

answer

Question


How to use the slider in GUI?
The figure is not big enough for me put a picture on it,so I want to use the slider so that I can slide the figure?How can I rea...

plus de 5 ans ago | 2 answers | 0

2

answers

Question


How to design the help document in GUI?
I've just finished a GUI program.And I'm going to design a 'help menu' telling people how to use the program.If I click on the h...

plus de 5 ans ago | 2 answers | 1

2

answers

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