Josh

Actif depuis 2022

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How to create an ANN regression model with multiple vectors as input and multiple vectors as output?
There is one input variable and one output variable. However each data point of the input/output variable is a vector. Size of...

presque 2 ans il y a | 1 réponse | 0

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Question

Construct the complete curve from one segment of it
I wish to construct the complete curve from one available segment of it. For example, d1(:,2) is the complete curve; how to cons...

presque 2 ans il y a | 2 réponses | 0

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Question

SVM parameter optimization using GA
I am facing issues of high prediction error. Please help. load data1.mat X = data1(1:83,1:end-1); Y = data1(1:83,end); X...

presque 2 ans il y a | 1 réponse | 0

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Question

differentiating a fit formula
I wish to extract the fit formula or function along with its coefficients, then differentiate it to get its derivative function ...

presque 2 ans il y a | 1 réponse | 0

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Question

Conditional data extraction from csv file
I wish to extract the data from the file 'ddata' into separate excel files containing only the variable columns of v7,v8,v9 & ...

plus de 2 ans il y a | 1 réponse | 0

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Question

optimizing GPR model using genetic algorithm
As I tried to optimize the hyperparameters and sigma using GA, it is showing some error. Also, is it possible to limit the maxim...

plus de 2 ans il y a | 1 réponse | 0

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Question

Overfitting indicators in GPR model
As I understand if the trainloss is greater than the testloss, the GPR model is overfitted. What are the other indicators which ...

plus de 2 ans il y a | 1 réponse | 0

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Question

Denoising a curve using Kalman filter technique
I have tried to use the concept of Kalman filter for smoothing the curves. However, this code does not seem to denoise the curv...

plus de 2 ans il y a | 1 réponse | 0

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Question

Changing optimization technique for Gaussian process regression model
By default, GPR model uses 'bayesopt' optimizer to optimize the hyperparameters. I wish to use 'particle swarm optimization' to...

plus de 2 ans il y a | 1 réponse | 0

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Question

Error while finding peak value and location
As I try to find the peak value and peak position, the function is not executing for the same because of some error. Please help...

plus de 2 ans il y a | 1 réponse | 0

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Question

Correlation coefficient calculation error
As I try to find correlation coefficient for the respective variables i.e. 'td' & 'cumulat', in for loop, some error is coming i...

plus de 2 ans il y a | 1 réponse | 0

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Question

Removal of empty cells in an array
The variable: cumulat(1,2) is returning an empty third row. How does one not get that empty row? Please help. clear;clc;close...

plus de 2 ans il y a | 1 réponse | 0

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Question

Structure array data extraction and processing
CCSD structure array has two fields: 'xc1' & 'xc2'. 'xc1' has three fields-'c1','c2', & 'c3' whereas xc2 has two fields-'c1', an...

plus de 2 ans il y a | 1 réponse | 0

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