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Prateek Rai

MathWorks

Last seen: Today Active since 2020

I am a Associate Application Support Engineer at MathWorks. My major responsibilities are Image Processing, Lidar Processing and Deep Learning at MathWorks
DISCLAIMER: Any advice or opinions here are my own, and in no way reflect that of MathWorks.

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Answered
converting classification network to fully convolutional with arbitrary sized image
Hi, One possible workaround could be that you can first use the whole image and find the potential patches of size 32x32x3 wher...

3 days ago | 0

Answered
hi there can anyone help me, i have problem in reading the excel file using the csvread command
Hi, Using "csvread" to read comma-separated value (CSV) file is not recommended.Use "readmatrix" instead. You can refer to rea...

5 days ago | 0

Answered
question about R-CNN stop sign detection
Hi, (1) First part So we first loaded the ground truth and displayed the summary using: % Load the ground truth data data =...

6 days ago | 1

| accepted

Answered
CNN, resnet50 - plot accuracy
Hi, There are 2 facts about the code which is important to note: (1) Since, your dataset is big that is why it is taking more ...

7 days ago | 0

Answered
how to make pictures in subplot to same size?
Hi, You can refer to the following MATLAB Answer post on "How to plot all images to same size in subplot" to get more idea.

8 days ago | 0

Answered
plot in same graph from a loop
Hi, You can try "hold on" to retain current plot when adding new plot. Refer to hold MathWorks documentation page to learn mor...

8 days ago | 0

Answered
How to plot the complete data in a structure
Hi, You can try "hold on" to retain current plot when adding new plot. The code will look like: figure for m = 1 : 9 ho...

8 days ago | 0

| accepted

Answered
Double loop sort and group results in one matrix
Hi, A possible workaround to solve the problem could be: Z = zeros(100,100); L = length(X); for i=1:L for j=1:L ...

8 days ago | 0

Answered
Was doing some MATLAB homework and couldn't get a graph to come up just a table was looking for some help.
Hi, You can use the "figure" function before "plot" to create a figure window for your graph. Your code will look like: figu...

9 days ago | 0

Answered
Neural Network: Which patterns of the TrainSet does my network ACTUALLY train with?
Hi, First of all, 1000 epochs do not mean that only 1000 patterns are used to update the weights. 1 epoch completes when all ...

23 days ago | 0

Answered
How to set up a repeating series of terms
To my understanding, you want to set up a repeating series of terms so that, Xt = [ones(t-h+1,1), Lt*yt, Lt^2*yt, ... Lt^...

23 days ago | 0

Answered
Classification neural network - single image or datastore
To my understanding, you are using two methods that ideally should yield the same result but on implementation getting different...

23 days ago | 0

Answered
why I get error in scalar portion?
Hi, You should first check for the scalar portion and then for other conditions. Additionaly, you should also check for: if n...

23 days ago | 0

Answered
the thomas algorithm for non linear equation in MATLAB
To my understanding, you want to understand the thomas algorithm to use it in non linear equation. You can refer to Tridiagonal...

2 months ago | 0

Answered
R2021b - code folding in switch/case not fully available
Hi Gabriele, The case folding wasn't removed intentionally. MATLAB has switched to a new editor from R2021b and so, it has a ne...

2 months ago | 0

| accepted

Answered
How can I create a noise reduction code?
To my understanding, you have created a noise reduction code but cannot see the output image. The error is probably coming in l...

2 months ago | 0

Answered
Unable to get good results while testing network created using newrb
To my understanding, you created a network but getting different values (like multiplied with 'e') when testing with test data. ...

2 months ago | 0

Answered
How to implement a datastore for labeled image sequences?
To my understanding, you want to create a datastore from dataset which is a large set of 16x8x800 image sequences each with a si...

2 months ago | 0

| accepted

Answered
Best Practices for modelling in Simscape
To my understanding, you want to learn about best practices for modeling in Simscape. You can refer to the Modeling Best Practi...

2 months ago | 1

Answered
I need to load multiple files and extract one value from each file into an output file
To my understanding, you have 300 text files containing 8000 columns and 16 rows and you want to read data of column 1300 row 14...

2 months ago | 0

Answered
Anomaly detection, warning system and real time simulation in predictive maintenance using LSTM and CNN
To my understanding, you have created a deep learning model for predictive maintenance with LSTM and CNN and want to add anomaly...

2 months ago | 1

Answered
PLUTO+ SDR Transceiver Radio
To my understanding, you want to find whether MATLAB supports PLUTO + SDR Transceiver Radio. You can refer to ADALM-PLUTO Radio...

2 months ago | 0

Answered
Bar graph doesn't show bars
To my understanding, you are trying to plot a bar graph with duplicate x values bur bars don't appear. I think the problem is ...

2 months ago | 0

| accepted

Answered
don't understand "training" method in cvpartition class
To my understanding, you want to learn about the 'training' method used with cvpartition. There are three object functions used...

2 months ago | 0

Answered
Understanding the use of data in Object Detection
To my understanding, you want to learn how the dataset is loaded and used in Yolo v3 object detection MATLAB example. Further, y...

2 months ago | 0

Answered
R2021b - code folding in switch/case not fully available
To my understanding, you want to fold each "case" block in R2021b. One possible workaround could be- Step 1: Go to Editor pref...

2 months ago | 0

Answered
Getting errors in fitnlm
To my understanding, you are trying to fit an equation using fitnlm and getting "The Jacobian at the solution is ill-conditioned...

2 months ago | 0

| accepted

Answered
[NNstart] How do you interpret the weights and biases values in an ANN Model?
To my understanding, you trained an ANN model and extracted the weights and biases, and now trying to understand what the values...

2 months ago | 0

Answered
Is there a way to create "sub-folding" / "sub-sections"?
To my understanding, you want to make several layers of sectioning in a MATLAB script. This is possible when you have loop (suc...

2 months ago | 0

Answered
Is there any way to increase accuracy with this Convolution Neural Network?
To my understanding, you have multiple inputs of one row by 5 columns and you want to classify this set as either 70 or 83 from ...

2 months ago | 0

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