Community Profile # Asvin Kumar

### MathWorks

37 total contributions since 2019

Hi, I'm an Applications Support Engineer at Mathworks.

My areas of interest are signal processing and communications. I've also spent a little while on reinforcement learning, machine learning and deep learning.

DISCLAIMER: Any ideas or opinions posted here are my own and in no way reflect that of MathWorks.

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How to sit a fixed value of k with an array of θ values, or a fixed value of θ with an array of k values?
A simple way of checking whether your conditions are met would be by using the modified code given below: flag = 0; while ~fla...

10 days ago | 0

What's meaning of dicom-dict.txt file 4th column "1-n"?
The fourth column represents Value Multiplicity. Check the following link for more details about Value Multiplicity: http://dico...

10 days ago | 0

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How can i connect the '.' points of the given figure. i don't want to connect '*' with any point?
Try using the following code to plot: %% Plot lw = 2; % LineWidth ms = 15; % MarkerSize figure xlim([-0.2 1.2]) ylim([...

11 days ago | 0

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My quiver plot seems to go flat when I am plotting a coupled ode.
I believe, while trying to compute dx and dy, you intended to find the elementwise product using the matrices of x and y. Try th...

14 days ago | 0

Predict future values of a PRNN
Explanation for the output you’re getting: Your patternnet is learning a mapping/relationship between the inputs and the t...

14 days ago | 0

Reset Terminal States in Grid World example using RL Toolbox
There are a couple in different ways in which custom environments can be defined in MATLAB. Have a look at https://www.mathworks...

28 days ago | 0

reset function of reinforcement learning?
Yes, I believe you're right. Thanks for pointing this out.

28 days ago | 0

sequence learning using LSTM
Have a look at the example here: https://www.mathworks.com/help/deeplearning/ref/nnet.cnn.layer.lstmlayer.html#d117e90134 Alth...

29 days ago | 1

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how make 3d plotting
Please have a look at the code below. I assume when you say the ball should fall to the ground, it comes back to the same ini...

1 month ago | 0

Fixed point tool conversion
You can convert a particular subsystem to Fixed Point by selecting it under System Under Design while preparing the system. Chec...

1 month ago | 1

Error" 'lyap' requires control system toolbox""
The Control System Toolbox is a piece of software that can be purchased along with MATLAB. This toolbox contains functions and a...

1 month ago | 0

correlation window range code
Check out the findpeak function as mentioned in the comments above. You can use multiple Name-Value pairs to suit your use cas...

1 month ago | 0

"Example: Define Custom Deep Learning Layer with Learnable Parameters" doesn't work
Thanks for pointing this out. Check out the complete file by running the following command: edit(fullfile(matlabroot,'examples...

1 month ago | 0

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Getting hatchfill to properly display a patch legend
I presume you’re using the hatchfill function from File Exchange. Internally, it calls the line function to create the hatch ...

2 months ago | 0

PDF of paretotail distribution
Since the object returned by the paretotails is of Piecewise Distribution type, you can directly use the pdf function to query t...

2 months ago | 0

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how to reverse drive ego vehicle in driving scenario designer app.?
It is not currently possible to reverse the direction of motion of ego vehicle in Driving Scenario Designer app. This might be i...

2 months ago | 0

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finding the distance traveled before speed is reduced to a certain velocity
The original equation from your question is . Rearranging the terms would give . We would need to integrate the equation abo...

3 months ago | 1

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I need help with a Triple Integral
Try using the following code: fun = @(x,y,z) y; % y is r zmin = @(u,v) sqrt(2-(v.^2)/20)+12; % z zmax = @(u,v) 17...

3 months ago | 1

I want to transform an trapez into a square (fitgeotrans)
The fitgeotrans function transforms the control point pairs in the movingPoints argument to the control point pairs in the fixed...

3 months ago | 1

T-test cutoff
Try adding the following lines before plotting the values: tstatMod = tstat; tstatMod(tstat<=2.32) = NaN; And then modify ...

3 months ago | 0

Summing with multiple variables
Try replacing the appropriate line of code with the following: Phi=sum(Am.*cos(Bm.*x2).*exp(-lambdam*t),2); The sum function...

3 months ago | 0

Indefinite Integration of a function
The output from the integration stays the same and remains unsolved because MATLAB is unable to find a closed form expression fo...

3 months ago | 0

Create arbitrary decision tree without training data?
Have a look at Stateflow to implement flow charts. Here are a couple links to get you started: https://www.mathworks.com/hel...

3 months ago | 1

How to use ranksum with splitapply?
The splitapply function applies the function mentioned as an argument to each group. For the ranksum function we would need to p...

3 months ago | 0

How to create a connecting model transfer function out of multiple transfer function?
Have a look at https://www.mathworks.com/help/control/ug/conversion-between-model-types.html#f3-1039600 It would help to conv...

4 months ago | 0

Using a variable with fwrite and next line
Consider replacing the appropriate line of code with the following: fline = strjoin(walks,','); fline = strjoin({fline,''},'...

4 months ago | 0

Need help for mathematics problem.Signals and Systems and Newton method.
Consider modifying the following code for the question related to sampling: fy=1; %frequency in Hz wy=2*pi*fy; %signal frequ...

4 months ago | 0

Coding noise cancellation in matlab
Consider using either of the following syntaxes: ha=dsp.LMSFilter('Length',256,'StepSize',mu); ha=dsp.LMSFilter(256,'StepSiz...

4 months ago | 0

Table values as input to a function
The desired expression can be evaluated in two ways. One of them uses symbolic math while the other avoids symbolic math altoget...

4 months ago | 0