Gelöst

Sum of the pixel values for the blue color
Calculate the sum of the pixel values for the blue color, with a picture as an input. NOTE: The picture will be provided as a m...

4 Monate vor

Gelöst

Change a specific color in an image
The ability to change colors can be a useful tool in image processing. Given an m x n x 3 array (much like CData in images), fin...

4 Monate vor

Frage

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...

mehr als 3 Jahre vor | 1 Antwort | 0

Frage

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...

mehr als 3 Jahre vor | 2 Antworten | 0

Frage

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...

mehr als 3 Jahre vor | 1 Antwort | 0

Frage

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 ...

mehr als 3 Jahre vor | 1 Antwort | 0

Frage

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 & ...

etwa 4 Jahre vor | 1 Antwort | 0

Frage

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...

etwa 4 Jahre vor | 0 Antworten | 0

Frage

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 ...

etwa 4 Jahre vor | 1 Antwort | 0

Frage

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...

etwa 4 Jahre vor | 1 Antwort | 0

Frage

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...

etwa 4 Jahre vor | 1 Antwort | 0

Frage

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...

etwa 4 Jahre vor | 1 Antwort | 0

Frage

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...

etwa 4 Jahre vor | 1 Antwort | 0

Frage

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...

etwa 4 Jahre vor | 1 Antwort | 0

Frage

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...

etwa 4 Jahre vor | 1 Antwort | 0