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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...

6 years 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...

6 years 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...

6 years 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

7 years 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...

7 years 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...

7 years 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...

7 years 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...

7 years 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

7 years 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...

7 years 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...

7 years 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,...

7 years 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...

7 years 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...

7 years 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...

7 years 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 ...

7 years 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...

7 years ago | 1 answer | 0

1

answer