Siddharth Shankar

MathWorks

Aktiv seit 2011

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

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Reverse Token Order
Reverse the order of words in a string.

mehr als 7 Jahre vor | 1 Download |

Gesendet

Two Port S-Parameter Measurement
Perform a 2-port s-parameter measurement using the Instrument Control Toolbox.

mehr als 7 Jahre vor | 9 Downloads |

Beantwortet
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....

mehr als 11 Jahre vor | 1

| akzeptiert

Beantwortet
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...

fast 12 Jahre vor | 1

Gelöst

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

etwa 12 Jahre vor

Gelöst

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

etwa 12 Jahre vor

Gelöst

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

etwa 12 Jahre vor

Gelöst

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 12 Jahre vor

Gelöst

Add two numbers
Given a and b, return the sum a+b in c.

etwa 12 Jahre vor

Gelöst

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

etwa 12 Jahre vor

Gelöst

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

etwa 12 Jahre vor

Gelöst

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

etwa 12 Jahre vor

Gelöst

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:...

etwa 12 Jahre vor

Beantwortet
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...

etwa 13 Jahre vor | 0

| akzeptiert

Beantwortet
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...

etwa 13 Jahre vor | 4

| akzeptiert

Beantwortet
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...

etwa 13 Jahre vor | 8

Beantwortet
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 ...

etwa 13 Jahre vor | 1

| akzeptiert

Beantwortet
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...

etwa 13 Jahre vor | 0

Beantwortet
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...

etwa 13 Jahre vor | 1

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

etwa 13 Jahre vor | 0

Beantwortet
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...

etwa 13 Jahre vor | 1

Beantwortet
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...

etwa 13 Jahre vor | 0

Beantwortet
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...

etwa 13 Jahre vor | 1

Beantwortet
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....

etwa 13 Jahre vor | 1

Beantwortet
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...

etwa 13 Jahre vor | 4

Beantwortet
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...

etwa 13 Jahre vor | 0

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

etwa 13 Jahre vor | 0

Beantwortet
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...

etwa 13 Jahre vor | 0

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

etwa 13 Jahre vor | 0

| akzeptiert

Beantwortet
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, ...

etwa 13 Jahre vor | 0

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