Siddharth Shankar

MathWorks

Con actividad desde 2011

Followers: 0 Following: 0

Mensaje

Professional Interests: Software development, GUI building, Instrument Control, Data Acquisiton

Estadística

All

Ver insignias

Feeds

Respondida
Why does Stateflow evaluate the condition [x >= (1/2)] differently from [x >= 0.5]?
If I had to guess, I would think that 1/2 results in integer division which always yields 0, and this is then cast to double (0....

alrededor de 13 años hace | 1

| aceptada

Respondida
How to activate Stateflow substate without flow graph
Can you please expand on the question a bit? It would help if you could sketch out a very simple example example with maybe jus...

más de 13 años hace | 1

Respondida
How to find number of arrays in a structure filed ?
Off the top of my head: function [N1, N2] = fieldCount(inputStruct) N1 = 0; N2 = 0; for i = 1: numel(inputStruct) i...

más de 14 años hace | 0

| aceptada

Respondida
How to react on a change of variable from workspace?
One POSSIBLE solution if you are not considering a _timer_ object (and assuming that you have a relatively recent version of MAT...

más de 14 años hace | 4

| aceptada

Respondida
Declaring 'many' variables from work space into function workspace
A very simple (but effective) way to do this is to use EVALIN to save the necessary variables in the base workspace to a MAT fil...

casi 15 años hace | 8

Respondida
Writing Non-ASCII keys in Serial Port
The value for CTRL-Z (^Z), is 26 (decimal value). So you could just try using FWRITE to send that value, in addition to all the ...

casi 15 años hace | 1

| aceptada

Respondida
Store and read MAT-file as embedded file in an Excel spreadsheet
If you are familiar with C++, then you could consider using the <http://www.mathworks.com/help/techdoc/apiref/bqoqnz0.html#bqoqn...

casi 15 años hace | 0

Respondida
How do I creating a database of image files that is accessible from MATLAB?
You could store the image data into a database as a BLOB (Binary Large Object). I know you can do this in MySQL, you need to che...

casi 15 años hace | 1

Respondida
Frequency modulating a wav file?
If simulink is an option, the <http://www.mathworks.com/help/toolbox/commblks/ref/fmmodulatorpassband.html FM Modulator Passband...

casi 15 años hace | 0

Respondida
calling Java methods using JNI/C++ (via Swig) from Matlab -> UnsatisfiesLinkError
Please try adding the path to the C++ library inside the file: librarypath.txt 1. From the MATLAB command prompt: edit lib...

casi 15 años hace | 1

Respondida
How can I convert a MATLAB file into a .exe file ?
You can do this using the <http://www.mathworks.com/products/compiler/ MATLAB Compiler>. The executable created needs to be pack...

casi 15 años hace | 0

Respondida
How to replace "getsnapshot" with the button on my webcam?
What you are asking for is a "hardware trigger". You could check if your VIDEOINPUT object supports hardware triggers by using t...

casi 15 años hace | 1

Respondida
MATLAB GUI
As Matt mentioned, UITABLE wasn't really supported/documented till R2008a and was not (in 7a) nearly as powerful as it is today....

casi 15 años hace | 1

Respondida
How to replace MATLAB icon from a figure window?
As Bruno says, that would be a breach of the MathWorks license agreement. Specific details here: <http://www.mathworks.com/su...

casi 15 años hace | 4

Respondida
Read Data from Serial Device
Douglas, I would recommend adding a call to FLUSHINPUT (if you are using the Instrument Control Toolbox) as soon as you FOPEN...

casi 15 años hace | 0

Respondida
Image Background Removal
Have you considered using the <http://www.mathworks.com/help/toolbox/images/ref/imabsdiff.html imabsdiff> method. The difference...

casi 15 años hace | 0

Respondida
Saving a Bilevel - or Binary Image
B = zeros(X, Y, 1, NumberOfFrames); B = logical(B); is what you are looking for. More info here: <http://www.mathworks.com...

casi 15 años hace | 0

Respondida
Motion detection using image subtraction.
<http://www.mathworks.com/company/newsletters/news_notes/win03/tracking.html Tracking Objects> Look at the section titled: "O...

casi 15 años hace | 0

| aceptada

Respondida
Creating a gui with variable axes
As far as "variable axes" goes, one approach you could take is to "link" your data to the axes. Then, when you change the data, ...

casi 15 años hace | 0

Respondida
Help with matrix indexing.
if "i" is 1, then you can not index into c with the row index "i-1". MATLAB uses 1-based indexing. You need to "special case" yo...

casi 15 años hace | 0

Respondida
Question about assigning prhs to an int * in a mex file.
int *data = (int *) mxGetData(prhs[0]); is what you need to do. mxGetData will return a void ptr which then needs to be "ca...

casi 15 años hace | 1