Dasharath Gulvady

MathWorks

Last seen: 2 years 前 | 自 2014 起处于活动状态

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I am a Software Engineer at The MathWorks. I like to code in Java, JavaScript and MATLAB.

My interests are Machine Learning and Big Data.
Professional Interests: MATLAB

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

5 years 前

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

6 years 前

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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:...

8 years 前

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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...

8 years 前

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How do I open a website in a browser, enter login data and get the resulting page content automatically?
If you are web service requires authentication, you can pass the username and password using weboptions with webwrite: http:/...

8 years 前 | 0

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How can I get a Hyperlink url ?
Didier, The function "urlread" returns a string containing the entire text of the webpage at the specified URL. You may then ...

8 years 前 | 0

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Adding jars to matlab
Jason, You may achieve this by adding the JAR file only for compiled applications, which can be done using "isdeployed" as fo...

8 years 前 | 0

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Problem with compiling mex with gcc-4.7
Bulat, The warnings might not be specific to MEX files, but may be related to the difference between C/C++ compilers in Windo...

8 years 前 | 0

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Intersection points between a line and trisurf plot
The below answer is probably what you are looking for: http://www.mathworks.com/matlabcentral/answers/74848-intersection-of-a...

8 years 前 | 0

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I'm extracting frames of selected events from an avi file (5 GB). The way I did it is saving all frames as images, creating avi after that. Worked with few events, more events now. Can I store frames in workspace (as array), then create avi?
I assume you are using "VideoWriter" to create an avi file from the images. I understand that you would like to not convert the ...

8 years 前 | 0

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What size recomendation for head node?
Does the head node support a minimum of 16,384 file file descriptors as mentioned in the documentation page of MDCS: http://w...

8 years 前 | 0

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Sending Wireless UDP signals in Matlab
Before executing "udp", start the UDP echo server using "echoudp": http://www.mathworks.com/help/instrument/echoudp.html Y...

8 years 前 | 0

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How do I call a MATLAB Script using javascript?
* Make sure mainGUI is a MATLAB function and not just a script * Make sure mainGUI is in the current folder or MATLAB's search...

8 years 前 | 0

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can parfor in compiled code access a local worker pool?
It is definitely possible for a compiled MATLAB code to utilize profiles created using Parallel Computing Toolbox. The below doc...

8 years 前 | 0

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Java Error when using compiled matlab code (GUI) using the Instrument Control Toolbox
The below bug report looks relevant to your issue: http://www.mathworks.com/support/bugreports/search_results?utf8=%E2%9C%93&...

8 years 前 | 0

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Serial Communication in Maltab using Linux 64 Bit
The below answer may be relevant: http://www.mathworks.com/matlabcentral/answers/95024-why-is-my-serial-port-not-recognized-w...

8 years 前 | 0

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Mixing compiled matlab shared libraries with mex code.
The best way to do this is to place the MEX file in a relative path to "ctfroot": http://www.mathworks.com/help/compiler/ctfr...

8 years 前 | 0

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.Net c# sdk - MWStructArray.GetField(string fieldName) Rounding
As Steven has already mentioned, this may be because of the usage of "format" in MATLAB, which results in higher precision. In y...

8 years 前 | 0

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imresize not working on Matlab compiler runtime server
what is "imresizemex"? If it is a function, add is as one of the required files while creating the executable. [Edit] Try ...

9 years 前 | 0

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Using csaps (or similar) to create a 3D smoothing spline
You can do this using "csaps" function. However the trick is to make "z" your independent variable. [pp,p]=csaps(z,[x;y]); ...

9 years 前 | 0

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Length of a 3D curve.
You have declared 's' inside "spacecurvelength" function. I am guessing it needs to be declared outside. >> syms s; >> c...

9 years 前 | 0

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How to put cell array in sprintf?
a={1,2,3,4,5}; sprintf('%d,%d,%d,%d,%d',a{:});

9 years 前 | 1

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What is the proper format string for float?
If you are looking for a way to round off the decimal values, see the below thread: http://stackoverflow.com/questions/421137...

9 years 前 | 0

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query and read the status from Com port
You have two "fprintf" calls in the code and one "fscanf". The "fscanf" will return the result of "ens". For "closed?" execute "...

9 years 前 | 1

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How can I load lots of files with a for loop and then multiply them by a vector
Assuming that all the MAT files have same data(let's say "mydata"): N=3 for i=1:N toLoad = sprintf('variable%d_dat...

9 years 前 | 1

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Matlab NNU License with Concurrent Toolboxes
The licensing is independent of MATLAB release. You must be able to use NNU license in any release.

9 years 前 | 0

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Order of legends in stacked bar plot
You can use the first input argument to the "legend" command to specify the handle order. Here are two examples: figure su...

9 years 前 | 4

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How to write a matrix into Geotiff file?
According to the documentation R is: _spatialref.GeoRasterReference object, referencing matrix, or referencing vector; or spa...

9 years 前 | 2

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link .dll files with matlab
You can use "loadlibrary" function to load and use the functions from a C/C++ DLL in MATLAB. http://www.mathworks.com/help/ma...

9 years 前 | 0

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How to call putty directly from matlab and write script that I can write on putty to control an actuator (UV LED power) through USB?
You may be able to control the actuator without using PuTTY and directly from MATLAB. There are few functions available on MA...

9 years 前 | 0

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