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Shubham


Last seen: 3 månader ago |  Active since 2023

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Answered
Y Units of spectrum analyzer
Hi Nestor, In MATLAB 2011a, the Simulink Spectrum Analyzer block is part of the DSP System Toolbox, which allows you to visuali...

3 månader ago | 0

Answered
Resolution Bandwidth, Spectrum analyzer
Hi Erkan, To analyze a signal in MATLAB using the DSP System Toolbox, you can use the dsp.SpectrumAnalyzer object to visualize ...

3 månader ago | 0

Answered
Using hNRReferenceWaveformGenerator with TDD actual pattern
Hi Madhusoodan, To incorporate special subframes with 4 uplink symbols in a 5G NR TDD configuration using MATLAB's 5G Toolbox, ...

3 månader ago | 0

Answered
how to predict flood
Hi Sivakumaran, Predicting floods using numerical data involves analyzing various hydrological, meteorological, and environment...

3 månader ago | 0

Answered
To build Random Forest, which should I use: treeBagger or fitcensemble ??
Hi Nada, When choosing between TreeBagger and fitcensemble in MATLAB for building a Random Forest for a classification task, it...

3 månader ago | 0

Answered
How to create complex 'or', 'and' and 'not' operations in fuzzy inference rules
Hi Raul, In Fuzzy Logic Designer, you can implement the desired logic by creating additional variables or breaking the rules in...

3 månader ago | 0

| accepted

Answered
How to compute Gini impurity in random forest (treebagger)?
Hi Alex, To compute feature importance using the Gini index (or Gini impurity) in a random forest model with MATLAB's TreeBagge...

3 månader ago | 0

Answered
how to use 5 fold cross validation with random forest classifier
HI Androw, Cross-validation is a great way to assess the performance of your random forest model. In MATLAB, you can use the cr...

3 månader ago | 0

Answered
predict showing a error
Hi GMurtaza, It looks like you're trying to train an SVM classifier using the fitcecoc function in MATLAB, but you're running i...

3 månader ago | 0

Answered
Bayesian Hyperparameter for Anfis
Hi Raghu, To optimize an ANFIS model using Bayesian optimization in MATLAB, you need to ensure that the optimization process is...

3 månader ago | 0

Answered
Classification Learner app Hyperparameter Optimization
Hi rp, In the MATLAB Classification Learner app, when you perform hyperparameter optimization without explicitly specifying a v...

3 månader ago | 0

Answered
Adding new features to trained classifier (fitcecoc)
Hi Emi, Your use case for a face recognition system in a hotel setting is quite common, and indeed, retraining the entire model...

3 månader ago | 0

Answered
Cross-validation of single binary learners in multiclass classification (fitcecoc)
Hi Alessandro, Yes, it is possible to cross-validate and estimate the generalization error for each of the individual binary mo...

3 månader ago | 0

| accepted

Answered
error : Unable to use a value of type ClassificationNaiveBayes as an index.
Hi Oujaoura, The error you're encountering typically occurs when there's a mismatch in the way the predict function is being us...

3 månader ago | 0

Answered
extracting posterior probabilities from trained classifiers
Hi Derrick, Yes, once you have exported a trained classifier from the Classification Learner App in MATLAB, you can obtain post...

3 månader ago | 0

Answered
A X B Cross-validation.
Hi Basheer, To implement a nested cross-validation like 5 times 2-fold cross-validation in MATLAB, you'll need to manually loop...

3 månader ago | 0

Answered
5 fold cross validation code for a dataset
Hi Subhasmita, In MATLAB, you can perform k-fold cross-validation to split your dataset into training and test sets. In k-fold ...

3 månader ago | 0

Answered
Training/Cross validation/Test sets
Hi Reuben, Here's a basic guide on how you might handle training, validation, and testing of a model in MATLAB, using a simple ...

3 månader ago | 0

Answered
Does generateMesh create a volumetric mesh or a surface mesh?
Hi Kassandra, The process described above using alphaShape and triangulation is intended to create a surface mesh, not a volume...

3 månader ago | 0

Answered
Make valid STL file from overlapping spheres
Hi Sabyasachi, Creating a valid STL file from overlapping spheres involves removing the intersecting parts and keeping only the...

3 månader ago | 1

Answered
Self Intersecting Faces on a Volumetric Mesh of a Tube
Hi Ruth, Dealing with self-intersecting faces in a volumetric mesh can be challenging, especially with large datasets. Here are...

3 månader ago | 0

Answered
Minor Tick Marks Don't Render Consistently
Hi Bsol, The issue you're encountering with the disappearance of minor ticks when resizing the plot window is likely due to MAT...

3 månader ago | 0

Answered
How can I put XTickLabels properly when using YDir = reverse and XScale = log?
Hi Olaf, When using logarithmic scales and reversing the Y-axis, MATLAB's automatic tick placement can sometimes lead to overla...

3 månader ago | 0

Answered
How to save the plot in bitmap format with resolution 1200dpi?
Hi Gargi, To save a plot in MATLAB as a bitmap image with a specific resolution, such as 1200 DPI, you can use the print functi...

3 månader ago | 0

Answered
Simulink get rid of error that block doesnt support variable size input
Hi Timo, The error you're encountering in Simulink is related to the handling of variable-size signals. Simulink does support v...

3 månader ago | 0

Answered
How do Fourier fit option guess the starting point?
Hello MR, In MATLAB's Curve Fitting Toolbox, the process of determining starting points for fitting algorithms, including Fouri...

3 månader ago | 0

Answered
Problem with Matlab sliding neighborhoods
Hi Efstathios, To implement a sliding window of varying size over an image in MATLAB, you can manually iterate over each pixel ...

3 månader ago | 0

Answered
Can Fuzzy Logic Toolbox output words?
Hi Nick, In MATLAB, if you're working with a Fuzzy Inference System (FIS) and want to map numerical outputs to categorical labe...

3 månader ago | 0

Answered
combining two binary numbers
Hi Praveen, To concatenate two binary numbers in MATLAB, you can treat them as strings and concatenate them directly. Here's ho...

3 månader ago | 0

Answered
FEMM bitmap file saved via Matlab script is damaged.
Hi Bence, When dealing with issues like this, especially when a script works on one machine but not another, there are several ...

3 månader ago | 0

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