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Zheng


17 total contributions since 2012

Professional Interests: Trading

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Question


how to find the curve I want by using algos?
<</matlabcentral/answers/uploaded_files/4370/curve%20shapes.png>> Does anyone know how to find the curve I want by using algo...

mehr als 7 Jahre ago | 1 answer | 0

1

answer

Question


How can I extract the numbers from this string
Anyone knows that is there any easy way to extract the numbers from this string? the string is "JY CME JAPANESE YEN FUTURES S...

mehr als 7 Jahre ago | 1 answer | 0

1

answer

Question


Delete letters in a string variable
Hi, for instance, string variables are '2456.00A', '2501A',... How can I delete letters in a string variable? Thanks in...

fast 8 Jahre ago | 2 answers | 0

2

answers

Answered
How can I extract the parameters from curve fitting 'fit' function?
answer is http://www.mathworks.com/support/solutions/data/1-1BH6I.html?solution=1-1BH6I

etwa 8 Jahre ago | 0

| accepted

Question


How can I extract the parameters from curve fitting 'fit' function?
load enso; f = fit(month,pressure,'fourier8') Here is my code. variable f can be shown on the command window. But anyone...

etwa 8 Jahre ago | 2 answers | 0

2

answers

Question


How can I insert a data into specified GUI table cell?
<<http://i45.tinypic.com/fn7rcg.png>> as the below picture shows. I want to change the values within "Status" Column by click...

etwa 8 Jahre ago | 1 answer | 0

1

answer

Answered
How to hide web browser while using web function
does it work? I need to use web function to access the webpage to active online server, but I don't want the application users t...

etwa 8 Jahre ago | 0

Question


How to hide web browser while using web function
For instancce, I want to open the URL 'GOOGLE.COM' by using web function --- [stat,h]=web('Google.COM'); can I hide web br...

etwa 8 Jahre ago | 3 answers | 0

3

answers

Answered
How can I use a Push Button callback function to call Radio Button Group's SelectionChangeFcn?
just change uipanel1_SelectionChangeFcn to handles.uipanel1

etwa 8 Jahre ago | 0

| accepted

Question


How can I use a Push Button callback function to call Radio Button Group's SelectionChangeFcn?
My codes are wrong. How can I make it work by modifying below codes? function pushbutton1_Callback(hObject, eventdata, handle...

etwa 8 Jahre ago | 1 answer | 0

1

answer

Question


How to change the specified part of URL when I use MatLab's web function?
Hi All I need to use Matlab to open the URL (http://www.thisismoney.co.uk/money/saving/article-1583859/), however I want to c...

etwa 8 Jahre ago | 1 answer | 0

1

answer

Question


How can I update the results from a Timer to a text box every 5 second?
My codes are shown as below: TimeSpan = str2double(get(handles.edit1,'String')); Parameter = str2double(get(handles.edit2,...

etwa 8 Jahre ago | 1 answer | 0

1

answer

Question


How to prevent the function within a Timer to keep displaying the answer in Command Windows?
Hi ALl My code is shown as below set(handles.edit3,'String',num2str(MyFuc(Input))); tmr=timer('Period',10,'ExecutionMod...

etwa 8 Jahre ago | 1 answer | 0

1

answer

Question


how can I use "Fit" function to calculate surface fit for a 2D matrix?
Hi Everyone how can I use "Fit" function to calculate surface fit for a 2D matrix? such as the regression surface for rand(30...

mehr als 8 Jahre ago | 0 answers | 0

0

answers

Question


How to get the fitted data by using Matlab's "Fit" Function?
For example, by using below code load franke; fitresult = fit( [x, y], z, 'poly33' ); From fitresult, I can get the for...

mehr als 8 Jahre ago | 2 answers | 0

2

answers

Question


How to extract the data that is used to draw a surface in this example?
Here's Matlab example oad franke; fitresult = fit( [x, y], z, 'poly23' ); % use fit function to calculate a surface Then ...

mehr als 8 Jahre ago | 1 answer | 0

1

answer

Question


How to set the variables as integers in a Genetic Algorithm Function?
Hi, Supposing the objective function is @(x)f(x(1),x(2)). I would like to set the variable 'x' as a integer in a Genetic Algo...

mehr als 8 Jahre ago | 1 answer | 0

1

answer