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Shubham Rawat


Last seen: Today

MathWorks

23 total contributions since 2020

I am an Application Support Engineer at MathWorks.
DISCLAIMER: Any advice or opinions here are my own and in no way reflect that of MathWorks.

Shubham Rawat's Badges

  • 3 Month Streak
  • Knowledgeable Level 2
  • Revival Level 2
  • First Answer

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Answered
Difference between randn() and awgn() in adding white noise to a signal
Hi bob, Here in xn the noise you are adding is n = 2*randn(size(x)); % noise using multiplier 2 xn = x + n; Whereas in x2, ...

25 minutos ago | 0

Answered
How can I do extrapolation so that the steady state value if 63% ?
Hi Mariam, You may refer to the extrapolation MATLAB documentaion page for this query.

alrededor de 4 horas ago | 0

Answered
plotting max and min of polynomial
Hello Mohammed Almalki, As you have mentioned in the comment you may have found extrema points of this function. Now you can Id...

alrededor de 24 horas ago | 0

Answered
finding Bias in dual form SVM using mean of support vector
Hi Kien, Here Bias will be : b = mean(y_train - w'*X_train); % here you have already calculated weight vector

alrededor de 1 mes ago | 0

Answered
Multi-input networks do not support validation
Hi, Multi-input networks do not support validation. You can try to customize the training loop to use validation data: https...

alrededor de 2 meses ago | 0

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Answered
Find entropy of signal for overlapping ranges
Hi ALDO, You can form an two arrays of ranges which contain initial and final value of interval. Here is the reproduced code wh...

alrededor de 2 meses ago | 0

| accepted

Answered
How can I change my university name after signed up here.
Hi Jihyun, You can refer to this link : https://www.mathworks.com/matlabcentral/answers/295696-how-do-i-change-the-company-org...

alrededor de 2 meses ago | 0

Answered
How can I do constrained kmeans in Matlab?
Hi Ninto, As per my knowledge there is no as such function in MATLAB which can do constrained K-means clustering. In standard K...

2 meses ago | 0

Answered
Unexpected Bayesian Regularization performance
Hi Jonathan, Given your dataset and number of neurons it might be possible that your model is overfitting. I have reproduced y...

2 meses ago | 0

Answered
Plot attenuation against wavelength
Hi Hadeel, Here is an example of Signal Attenuation Due to Rainfall: c = physconst('lightspeed'); rr = 20.0; freq = [1:1000...

2 meses ago | 0

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Answered
Is the neural network generated by fitnet function fully conected?
Hi Ramiro, Yes, the neurons of first layer are connected with the second layers. You may run this command to check the weight m...

2 meses ago | 0

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Answered
Euclidian distance for speaker recognition system
Hi Antonio, Here in the disteu file (line 43) d(n,:) = sum((x(:, n+copies) - y) .^2, 1); dimensions of x(:,n+copies) and y...

2 meses ago | 0

Answered
How do i practice machine learning ?
Hi Issa, You may prefer the Machine Learning Onramp course, in which there are exercises which will help you to code in Mach...

2 meses ago | 0

Answered
Non LInear Logistic Regression
Hi Shathesh, You may first look at these document in order to have an idea of Non Linear Logisitic Regression: From this you ...

2 meses ago | 0

Answered
Write a matlab code to generate fourier series for continuous periodic functions.
Hi Abhishek, Here is an example of generating fourier transform of a continous funtion: a = 1;b = 1; %initializing constant...

2 meses ago | 0

Answered
Efficient evaluation of Auto Regressive Covariance matrix
Hi Sebastiano, You can do the following things to evaluate efficiently, You can pre-initialize the Covariance(C) matrix by ...

2 meses ago | 0

Answered
How to edit weights and bias of narxnet?
Hi Sarwmitra, To change the weights and biases in NARX net: You can train the NARX network for a loop first, and then set th...

2 meses ago | 0

Answered
DeepNetworkDesigner - Is there a way to include a common projection layer in DeepNetworkDesigner GUI tool? A layer similar to one used in CCA or correlation Networks?
Hi Rini, You can create a “weightedAdditionLayer” in DeepNetworkDesigner which is a custom layer and can take multiple inputs...

3 meses ago | 0

Answered
Function used in Curve Fitting Tool
Hi Teresa, No, they are not the same, maybe they are giving same answer for your question. You can refer this link for your ...

3 meses ago | 0

Answered
Problem in forecasting using GRNN
Hi Ulin, While you are creating network grnn = newgrnn(x,y,s); You have used new x and y after changed using “mapstd”, i...

3 meses ago | 0

Answered
Validation of the prediction model with observed (new ) dataset
Hi Athira, You can use ‘validation data’ options with LSTM networks. But this option is available from R2018b.

3 meses ago | 0

Answered
Multiple outputs in a deep sequential model
Hi Nathan, You can only have a single output for a sequential input model. You can obtain your results by designing different ...

3 meses ago | 0

Answered
How can I plot a 3D Histogram with one axis of categorical data?
Hi Aseer, For the hist3 function the user should need a 2D Matrix in which 1st column is x value, and 2nd column is y value. T...

3 meses ago | 0

| accepted