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Athul Prakash


MathWorks

25 total contributions since 2019

I am an Associate Application Support Engineer at MathWorks.

My areas of interest are Deep Learning and Computer Vision.

DISCLAIMER: The advice and opinions here are my own and not in any way that of MathWorks.

Athul Prakash's Badges

  • Knowledgeable Level 2
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Answered
combinations with 2 columns
Hi Sampath, Look like you want to select exactly 1 element per row, from among all columns of the matrix. Hence, if there are ...

1 day ago | 0

Answered
integrate a matrix which is a function of two variables
Not sure what you meant by integrate... But I think you might be looking for something like cumsum, have a look at this: http...

26 days ago | 0

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How to modify a sphereModel
Hi Alonso, There's usually a reason for attributes to be set as 'Read Only' for a specific class. If you actually changed those...

26 days ago | 0

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Error: Index in position 1 exceeds array bounds (must not exceed 1).
Hey Natasha, The Problem Variable 'd' is the index variable used in the for loop. It does not behave as a vector at all, it...

26 days ago | 0

Answered
importing text files via importdata
Try this: You may use the Import Data Tool to do it graphically. [Click: 'Home' Tab > 'Variable' section > 'Import Data' icon]. ...

26 days ago | 0

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Genetic Algorithm in Matlab tool box
Hi Suresh, Please check the documentation for ga() carefully: https://www.mathworks.com/help/gads/ga.html https://www.mathwo...

27 days ago | 0

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How to find the classification Accuracy
Hi Noufal, Here's how to log and MisclassificationRate and calculate Accuracy from there: Where is the Misclassification Rat...

28 days ago | 0

Answered
Using fprintf to print in text file
Hey Sung, Instead of printing a fixed number of spaces with ' ', you may set the total width of your value in the format s...

28 days ago | 0

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Answered
Convert a 4D segmented matrix to a 3D one?
Hey Mohammad, Going by those input and output dimensions, I am assuming that you want to extract a part of the matrix with a gi...

28 days ago | 0

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Answered
Polygon Labelling from ground Truth Label for Traing RCNN
I don't think polygonal labels are specifically supported at this time. Have a look at pixelLabelDatastore: https://www.math...

29 days ago | 0

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Answered
Understanding the Behavior of interp2 and interp3
Hey Michael, Consider the syntax: Vq = interp2(XX, YY, V, Xq, Yq); The query point is interpreted in a graphical sense, there...

29 days ago | 0

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Answered
uploading csv file as ground truth data for deep learning
It is uncertain what you meant by 'uploading' csv data. If you are looking to import data into matlab, you may use the Import T...

30 days ago | 0

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I need to understand the function of cropping intuitively
Hey Vinit, I see that you haven't provided the image file used by your code. Attach the relevant image file with the question ...

2 months ago | 0

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How do you rearragne a matrix?
After the 2 lines of code above, use res = reshape(TEMP, [16 2]) See the documentation here: https://www.mathworks.com/help/m...

2 months ago | 0

Answered
How to convert 1 column vector text file to rgb image?
Hi Tham, As mentioned here already, your shape of image should be 224x224x3, and you should be using a 3 dimensional array. W...

2 months ago | 0

Answered
Unexpected results with variable integer delay block
Hi Donghyuk, Your model seems to be working as expected - the output it gives is correct. Variable integer delay simply impl...

2 months ago | 0

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Answered
Enumeration of all possible samples with replacement trough base conversion
Hi Riccardo, Converting to strings seems inefficient to me (and it not required for this problem either). Here is an alternat...

2 months ago | 0

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Answered
Lplot error vector must be the same length
Hi Ewan, The plot function here (called inside lplot) is trying to plot shift on the x-axis vs PC3_48DMSO20 on the y-axis. Hen...

2 months ago | 0

Answered
simulink is not have been installed?
Hola Robinson, Try the command "simulink". (go to matlab command line and type simulink and press enter). If you have it i...

2 months ago | 0

Answered
how to open gri file in matlab?
Hi Yoni, I understand that you want to have a .gri file that you want to open in Matlab. Have you considered the Import Tool ...

2 months ago | 0

Answered
Solve ODES with multiple initial conditions
Hey Zhihong Lin, As has been pointed out by others, your initialization code is a bit confusing and buggy. I understand that yo...

2 months ago | 0

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Error in simulink: singularity in solution
Hi Archana, This error most commonly happens when your solver cannot handle large fluctuations in signals. Try using ODE15s (S...

3 months ago | 0

Answered
Comparing two sequences of number but not symmetry
Hey Hafizah, Couldn't understand what you're trying to model here, so I can't comment on a different formula for DmaxP1(2, k). ...

3 months ago | 0

Answered
Shorten vectors keeping the same range
Hey martin, There are multiple methods you should consider: I assume you're trying to downsample a signal. If that is the ca...

3 months ago | 0

Answered
Nonlinear passive elements in Simscape Multibody
Hi Jakub, I understand that you want to use a non-linear spring or damper in a multibody project. There is no non-linear spri...

3 months ago | 0

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