Prateek Rai
MathWorks
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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.
20 of your answers have been accepted
Awarded to Prateek Rai on 26 Nov 2021
Solve all the problems in Introduction to MATLAB problem group
Awarded to Prateek Rai on 28 Oct 2021
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Contribute at least one answer each month for 3 consecutive months
Awarded to Prateek Rai on 02 Oct 2021
Answer 10 questions that were unanswered for more than 30 days
Awarded to Prateek Rai on 16 Aug 2021
Provide your first answer ever to someone else's question
Awarded to Prateek Rai on 18 Jun 2020
Solve a problem for the first time
Awarded to Prateek Rai on 12 Jun 2020
Feeds
已回答
Why is it so slow to draw a figure in Matlab?
Hi, To my understanding, you are attempting to draw function curves with a parameter whose value depends on a slide bar. Here ...
Why is it so slow to draw a figure in Matlab?
Hi, To my understanding, you are attempting to draw function curves with a parameter whose value depends on a slide bar. Here ...
2 years 前 | 0
已回答
How to see the number of parameters and effective parameters on a neural network trained with trainbr?
Hi, To my understanding, you are training TDNN neural networks using 'trainbr' and want to know more about the network. 'train...
How to see the number of parameters and effective parameters on a neural network trained with trainbr?
Hi, To my understanding, you are training TDNN neural networks using 'trainbr' and want to know more about the network. 'train...
2 years 前 | 0
已回答
Feed Forward Recurrent Neural Network: Use output of Iteration 1 as Input for Iteration2
Hi, You can use "feedforwardnet" function to generate feedforward neural network. Along with it, you can use "layrecnet" functi...
Feed Forward Recurrent Neural Network: Use output of Iteration 1 as Input for Iteration2
Hi, You can use "feedforwardnet" function to generate feedforward neural network. Along with it, you can use "layrecnet" functi...
2 years 前 | 0
已回答
overfiitting during CNN training
Hi, You can try specifying different training options for training the deep learning neural network. Refer to trainingOptions M...
overfiitting during CNN training
Hi, You can try specifying different training options for training the deep learning neural network. Refer to trainingOptions M...
2 years 前 | 0
| 已接受
已回答
Output doesn't seem right
Hi, The output does not seem right because you are mixing 2 things together. In the line 41 and line 42 of your code you are do...
Output doesn't seem right
Hi, The output does not seem right because you are mixing 2 things together. In the line 41 and line 42 of your code you are do...
2 years 前 | 0
已回答
How do I pre-process and process non-image data for Deeplearning?
Hi, You can refer to "Signal Processing Applications" section of the following Preprocess Data for Domain-Specific Deep Learni...
How do I pre-process and process non-image data for Deeplearning?
Hi, You can refer to "Signal Processing Applications" section of the following Preprocess Data for Domain-Specific Deep Learni...
2 years 前 | 0
已回答
I can't install simscape multibody link
Hi, Refer to the following MATLAB Answer: Simscape Multibody installation error to know more about possible workaround for solv...
I can't install simscape multibody link
Hi, Refer to the following MATLAB Answer: Simscape Multibody installation error to know more about possible workaround for solv...
2 years 前 | 0
已回答
Can anyone help me with this?
Hi, You can refer to following MATLAB Answer on How do I resolve a MATLAB installer fail with an error related to a lxe_win64 o...
Can anyone help me with this?
Hi, You can refer to following MATLAB Answer on How do I resolve a MATLAB installer fail with an error related to a lxe_win64 o...
2 years 前 | 0
已回答
save m.file as PDF
Hi, To my understanding, you want to save multiple figures in pdf. You can use "exportgraphics" function to save plots/figures...
save m.file as PDF
Hi, To my understanding, you want to save multiple figures in pdf. You can use "exportgraphics" function to save plots/figures...
2 years 前 | 1
已回答
My network is returning both 100 percent training and validation. What seems to be the issue?
To my understanding, you are trying to train the network and the network is returning both 100 percent training and validation. ...
My network is returning both 100 percent training and validation. What seems to be the issue?
To my understanding, you are trying to train the network and the network is returning both 100 percent training and validation. ...
2 years 前 | 0
已回答
Matlab is not recognizing that two floats are equal although Workspace shows they are
You can refer to following MATLAB Answers on Why two equal numbers are not equal? to get more idea on why MATLAB is not recogniz...
Matlab is not recognizing that two floats are equal although Workspace shows they are
You can refer to following MATLAB Answers on Why two equal numbers are not equal? to get more idea on why MATLAB is not recogniz...
2 years 前 | 0
已回答
Unable to perform assignment because the left and right sides have a different number of elements.
To my understanding, you want to plot w, Pc and F as functions of time follwing an interactive process. You are getting an erro...
Unable to perform assignment because the left and right sides have a different number of elements.
To my understanding, you want to plot w, Pc and F as functions of time follwing an interactive process. You are getting an erro...
2 years 前 | 0
| 已接受
已回答
how to train LSTM with single input and two outputs?
To my understanding, you want to train LSTM with two outputs. You can refer to MATLAB Answer on LSTM Example for Multi input an...
how to train LSTM with single input and two outputs?
To my understanding, you want to train LSTM with two outputs. You can refer to MATLAB Answer on LSTM Example for Multi input an...
2 years 前 | 0
已回答
Training Network stopping automatically after 3 iteration without showing any error.
Hi, Training of the network stopped because training loss is NaN. This implies that the predictions using the output network mi...
Training Network stopping automatically after 3 iteration without showing any error.
Hi, Training of the network stopped because training loss is NaN. This implies that the predictions using the output network mi...
2 years 前 | 0
已回答
Using solve command, to solve user defined function
Hi, You can use "syms" to create symbolic function with four arguments: syms f(a,b,c,d) here, f is abstract symbolic functi...
Using solve command, to solve user defined function
Hi, You can use "syms" to create symbolic function with four arguments: syms f(a,b,c,d) here, f is abstract symbolic functi...
3 years 前 | 0
已回答
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...
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 years 前 | 0
已回答
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...
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...
3 years 前 | 0
已回答
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 =...
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 =...
3 years 前 | 1
| 已接受
已回答
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 ...
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 ...
3 years 前 | 0
| 已接受
已回答
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.
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.
3 years 前 | 0
已回答
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...
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...
3 years 前 | 0
已回答
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...
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...
3 years 前 | 0
| 已接受
已回答
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 ...
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 ...
3 years 前 | 0
已回答
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...
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...
3 years 前 | 0
已回答
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 ...
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 ...
3 years 前 | 0
已回答
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^...
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^...
3 years 前 | 0
已回答
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...
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...
3 years 前 | 0
已回答
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...
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...
3 years 前 | 0
已回答
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...
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...
3 years 前 | 0
已回答
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...
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...
3 years 前 | 2
| 已接受
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