Answered

How to use GA (Genetic Algorithm) without explicit objective function and with data-set?

Hi, Genetic algorithm will not work without an optimization function. To understand how GA works, refer to this link. Hope thi...

How to use GA (Genetic Algorithm) without explicit objective function and with data-set?

Hi, Genetic algorithm will not work without an optimization function. To understand how GA works, refer to this link. Hope thi...

5 months ago | 0

Answered

Understanding accuracyValidation Output of Classifier

Hi Josh, The output acc is obtained by running the function predictFcn on the tree model. [CoarseTreeY,acc] = trainedCoarseT...

Understanding accuracyValidation Output of Classifier

Hi Josh, The output acc is obtained by running the function predictFcn on the tree model. [CoarseTreeY,acc] = trainedCoarseT...

5 months ago | 0

Answered

fast wavelet Transformation by using lowpass and highpass

Hi Jana, The highpass and lowpass functions can be used to perform one dimensional filtering. Let us consider the following s...

fast wavelet Transformation by using lowpass and highpass

Hi Jana, The highpass and lowpass functions can be used to perform one dimensional filtering. Let us consider the following s...

5 months ago | 0

Answered

Matlab OnRamp hangs on project tasks

Hi Laura, The link here might be helpful. Hope this helps!

Matlab OnRamp hangs on project tasks

Hi Laura, The link here might be helpful. Hope this helps!

5 months ago | 0

Answered

How to plot for physical bodys and streamlines?

Hi David, As rightly pointed out, the plot only displays a point since u and v values are not arrays but single points. To obt...

How to plot for physical bodys and streamlines?

Hi David, As rightly pointed out, the plot only displays a point since u and v values are not arrays but single points. To obt...

5 months ago | 0

Answered

How to get average power from simulink scope

Hi Yousef, Firstly the data can be exported to workspace as an array of shape (N,2). Here N represents the number of time insta...

How to get average power from simulink scope

Hi Yousef, Firstly the data can be exported to workspace as an array of shape (N,2). Here N represents the number of time insta...

5 months ago | 1

| accepted

Answered

Customizing fitness function of genetic algorithm

Hi, The link here might be helpful! Hope this helps!

Customizing fitness function of genetic algorithm

Hi, The link here might be helpful! Hope this helps!

5 months ago | 0

| accepted

Answered

Why the â€˜CategoricalPredictorsâ€™ properties are always empty after running fitrensemble()?

Hi Haris, You might consider the following workarounds for your problem: Answer to Question 1: The "CutPredictorIndex" index p...

Why the â€˜CategoricalPredictorsâ€™ properties are always empty after running fitrensemble()?

Hi Haris, You might consider the following workarounds for your problem: Answer to Question 1: The "CutPredictorIndex" index p...

5 months ago | 0

Answered

How to Create NcNr*NcNt Block Circulant matrix

Hi Ayaz, The link here might be helpful. Hope this helps! Regards, Pratyush

How to Create NcNr*NcNt Block Circulant matrix

Hi Ayaz, The link here might be helpful. Hope this helps! Regards, Pratyush

6 months ago | 1

Answered

Applying an integer to a specific cell of a matrix

Hi Noah, The following code might be helpful : x = 0:0.1:3; y = -2:0.13:2; Load = 10;%Integer that we want the elements to r...

Applying an integer to a specific cell of a matrix

Hi Noah, The following code might be helpful : x = 0:0.1:3; y = -2:0.13:2; Load = 10;%Integer that we want the elements to r...

6 months ago | 0

Answered

How to forecast time series data using Kalman filtering technique on matlab?

Hi Ashok, The link here mght be helpful. You can also go through the documentation for Kalman Filter. Link is given below: ...

How to forecast time series data using Kalman filtering technique on matlab?

Hi Ashok, The link here mght be helpful. You can also go through the documentation for Kalman Filter. Link is given below: ...

6 months ago | 0

Answered

matchFeatures for multiple images

Hi Maria, The matchFeatures currently supports matching features between two images at a time. As a workaround, you can refer ...

matchFeatures for multiple images

Hi Maria, The matchFeatures currently supports matching features between two images at a time. As a workaround, you can refer ...

6 months ago | 0

Answered

poctave function is providing an unexpected center frequency value and resulting amplitude

Hi Matthew, I have brought this issue to the notice of our developers. They will investigate the matter further. Regards, Pra...

poctave function is providing an unexpected center frequency value and resulting amplitude

Hi Matthew, I have brought this issue to the notice of our developers. They will investigate the matter further. Regards, Pra...

6 months ago | 0

Answered

How can I obtain the coordinates(x, y, z) from a 3D isosurface plot?

Hi, The following link might be helpful: https://www.mathworks.com/matlabcentral/answers/249747-how-can-i-extract-xyz-data-fro...

How can I obtain the coordinates(x, y, z) from a 3D isosurface plot?

Hi, The following link might be helpful: https://www.mathworks.com/matlabcentral/answers/249747-how-can-i-extract-xyz-data-fro...

6 months ago | 0

Answered

SVM KernelFunction and KernelScale. What is the difference?

Hi Dylan, The KernelScale is a scaling parameter which is used to scale the data before evaluation of the appropriate Gram matr...

SVM KernelFunction and KernelScale. What is the difference?

Hi Dylan, The KernelScale is a scaling parameter which is used to scale the data before evaluation of the appropriate Gram matr...

6 months ago | 0

Answered

Integral of Power Spectral Density

Hi, The avgpower method available with the dspdata object in the Signal Processing Toolbox calculates the integral of the power...

Integral of Power Spectral Density

Hi, The avgpower method available with the dspdata object in the Signal Processing Toolbox calculates the integral of the power...

6 months ago | 0

Answered

Export TIF contourf with specific parameters

Hi, The following link might be helpful: https://www.mathworks.com/help/matlab/creating_plots/save-figure-at-specific-size-and...

Export TIF contourf with specific parameters

Hi, The following link might be helpful: https://www.mathworks.com/help/matlab/creating_plots/save-figure-at-specific-size-and...

6 months ago | 0

| accepted

Answered

poctave() returns incorrect fractional-octave-band results

Hi Witold, I have heard that this issue is known and the concerned parties may be investigating further. Regards, Pratyush....

poctave() returns incorrect fractional-octave-band results

Hi Witold, I have heard that this issue is known and the concerned parties may be investigating further. Regards, Pratyush....

6 months ago | 1

Answered

Denoising a signal with FFT

Hi, The array f stores the audio data obtained as a numeric array in MATLAB. This is not the same as an array containing the fr...

Denoising a signal with FFT

Hi, The array f stores the audio data obtained as a numeric array in MATLAB. This is not the same as an array containing the fr...

6 months ago | 0

Answered

'nlinfit' vs 'fitnlm' 'ErrorModelInfo'

Hi, There is currently no support for the ErrorModelInfo feature in fitnlm function. I have brought this issue to the concerned...

'nlinfit' vs 'fitnlm' 'ErrorModelInfo'

Hi, There is currently no support for the ErrorModelInfo feature in fitnlm function. I have brought this issue to the concerned...

6 months ago | 0

| accepted

Answered

How do you Save Trained Models from the MATLAB Classification Learner App?

Hi, One can refer to the following link for help: https://www.mathworks.com/help/stats/export-classification-model-for-use-wit...

How do you Save Trained Models from the MATLAB Classification Learner App?

Hi, One can refer to the following link for help: https://www.mathworks.com/help/stats/export-classification-model-for-use-wit...

6 months ago | 0

Answered

Help with spectral analysis of a time series

Hi, The following link might be helpful: https://www.mathworks.com/help/signal/ug/power-spectral-density-estimates-using-fft....

Help with spectral analysis of a time series

Hi, The following link might be helpful: https://www.mathworks.com/help/signal/ug/power-spectral-density-estimates-using-fft....

6 months ago | 0

Answered

Visualize rectangles chosen by randomCropWindow2d

Hi, The rectangle object comes with 2 properties, namely, XLimits and YLimits. XLimits captures the lowest and highest value of...

Visualize rectangles chosen by randomCropWindow2d

Hi, The rectangle object comes with 2 properties, namely, XLimits and YLimits. XLimits captures the lowest and highest value of...

6 months ago | 1

| accepted

Answered

txsite with 'CoordinateSystem' set to 'cartesian'.

Hi Varsha, The RF Propagation interface does not offer visualization support for showing Cartesian sites, their coverage, or ...

txsite with 'CoordinateSystem' set to 'cartesian'.

Hi Varsha, The RF Propagation interface does not offer visualization support for showing Cartesian sites, their coverage, or ...

7 months ago | 0

Answered

Scaled MAD in isoutlier

Hi, The c value here is approximately equal to 1.4826 and it is commonly used in outlier detection. It is even mentioned in the...

Scaled MAD in isoutlier

Hi, The c value here is approximately equal to 1.4826 and it is commonly used in outlier detection. It is even mentioned in the...

7 months ago | 0

| accepted

Answered

xcov sample covariance / dividing by N?

Hi, xcov in MATLAB computes raw covariances with no normalization. Hence after obtaining the results, one can divide by T to ob...

xcov sample covariance / dividing by N?

Hi, xcov in MATLAB computes raw covariances with no normalization. Hence after obtaining the results, one can divide by T to ob...

7 months ago | 0

Answered

Temperature control valve (G)

Hi, The behaviour from the model is expected. The temperature control valve, the constant volume chamber and the gate valve are...

Temperature control valve (G)

Hi, The behaviour from the model is expected. The temperature control valve, the constant volume chamber and the gate valve are...

7 months ago | 0

Answered

How can i convert this linear equation into a form which i can use linsolve() function?

Hi, Assuming that both x and y are arrays of shape 1*n, the following code snippet might be helpful x_new = [x' ones(n,1)]; c...

How can i convert this linear equation into a form which i can use linsolve() function?

Hi, Assuming that both x and y are arrays of shape 1*n, the following code snippet might be helpful x_new = [x' ones(n,1)]; c...

7 months ago | 0

Answered

How to find the solution of a given optimization problem?

Hi, This link might be helpful. Hope this helps!

How to find the solution of a given optimization problem?

Hi, This link might be helpful. Hope this helps!

7 months ago | 0

Answered

Laplacian-diffusion filter 3D

Hi, This link might be helpful. Hope this helps!

Laplacian-diffusion filter 3D

Hi, This link might be helpful. Hope this helps!

7 months ago | 0