Answered
How to find out all the possible values of x&y that make a function maximum?
Hi IvanC, To find the maximum of a function using fminsearch in MATLAB, you actually need to search for the minimum of the nega...

4 months ago | 0

Answered
What is the methodology for cdsbootstrap function in matlab to get Default probability from cds spreads?
Hi Shruti, The cdsbootstrap function in MATLAB is part of the Financial Instruments Toolbox and is used for bootstrapping credi...

4 months ago | 0

Answered
is there a command to extract a Reward function from a predefined environment?
Hi Mohamad, In Matlab's Reinforcement Learning Toolbox, environments are defined with certain components, including state space...

4 months ago | 1

Answered
Conversion of mat to csv is time and space complex
Hi Philipp, Converting a large .mat file with many timeseries into a CSV format can indeed be memory-intensive, especially when...

4 months ago | 0

Answered
When using [ptCloud,isValidTime,clusters] = lidar(actors,rdMesh,simTime), clusters is filled with only NaN
Hi Paul, When you're using a lidar simulation in MATLAB, especially with the cuboid driving scenario simulator, and you're enco...

4 months ago | 0

Answered
Log linear analysis in MATLAB
Hi Glossa, Creating a "universal" code for tasks like log-linear analysis, regressions, and ANOVA in MATLAB that can be used wi...

4 months ago | 0

Answered
Is it possible to choose the variables displayed for x and y axis in heatmap ?
Hi Maxime, When dealing with large datasets or plots with numerous data points like your 180x360 heatmap, adjusting the axis ti...

5 months ago | 1

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Answered
Using the clear command in functions?
Hi Kyle, The warning about using clear inside functions and the reason it's discouraged compared to its use in scripts boil dow...

5 months ago | 1

| accepted

Answered
How to use the aggregate command with the MongoDB connector in Matlab?
Hi William, As of MATLAB R2021b, the direct support for MongoDB's aggregation framework through the mongoc class is not explici...

5 months ago | 0

Answered
Is there a way to stream data one bit at a time through a model via a clock?
Hi William, To achieve streaming data from a .mat file one bit at a time via a clock in a Simulink model, you will need to use ...

5 months ago | 0

Answered
What is the transfer function of the filtfilt command?
Hi studentmatlaber, The filtfilt command in MATLAB applies a digital filter forward and backward to a signal. This zero-phase f...

5 months ago | 0

Answered
Matching the labels of a clustering with ground truth labels for performance analysis
Hi Samuel, When evaluating clustering results with a confusion matrix, the absolute values of the labels are not important; rat...

5 months ago | 0

Answered
How fast can MATLAB plot real-time data?
Hi Mihkel, MATLAB's App Designer is capable of creating interfaces for real-time data visualization, including plotting graphs ...

5 months ago | 0

Answered
How to segment a region or cluster from an image after k mean clustering
Hello Mino, If you have already performed k-means clustering on your image and have successfully segmented the cyst and tumor r...

5 months ago | 0

Answered
Is removing features from classification learner app considerd sensitivity analysis?
Hi Maryam, In the context of predictive modeling, sensitivity analysis generally refers to the study of how various inputs of a...

5 months ago | 0

Answered
How to define range limits to classify values with an optimal success percentage?
Hi Matteo, To automate the process of finding the optimal threshold values that maximize the success percentage of classifying ...

5 months ago | 0

Answered
Feature forward selection with SVM not giving the correct criterion
Hi Esmeralda, It seems like you're experiencing a discrepancy between the criterion values during feature selection and the act...

5 months ago | 0

Answered
Find matrix covariance by fitting data as a parabola
Hi Pietro, In MATLAB, you can fit a parabola to your data using the polyfit function, which allows you to fit your data with a ...

5 months ago | 0

Answered
Can you train a classification model to prioritise precision?
Hi Jack, In the scenario you've described, you are prioritizing the precision for a particular class, which means you want to m...

5 months ago | 0

Answered
How to save further simulation data (e.g. the states) when simulating an RL-Agent on an environment.
Hi Rebecca, In MATLAB, when you are working with custom reinforcement learning environments and agents such as Actor-Critic (AC...

5 months ago | 0

Answered
string member in c++ interface
Hi Jonas, When using MATLAB's C++ interface with clibgen.generateLibraryDefinition(...), there can be issues with handling cert...

5 months ago | 0

Answered
what is the target value mean?
Hi Sangmin, Here are the answers of your queries: The target value in an ANN is the desired output that you want your network ...

5 months ago | 0

Answered
Classification on matrices with linear independent row vectors
Hi Finn, Given the nature of your problem, where each data point is essentially a set of vectors (rework dimensions) associated...

5 months ago | 0

Answered
Basic question regarding LSTM neural network
Hi Pai, The concept of "backtracking time" or the duration of cell memory in an LSTM isn't explicitly set as a parameter but is...

5 months ago | 0

Answered
PCA shape mode analysis
Hi Thiwanka, To study the physical meaning of significant shape modes by adjusting the mean radii values along the principal co...

5 months ago | 1

Answered
Why not possible to use property class validation with abstract class?
Hi Jim, In MATLAB, when you define an abstract class, you are essentially creating a template for other classes to follow. This...

5 months ago | 0

Answered
Using a function within fzero
Hi Simon, The error you're encountering indicates that the function you're trying to find the root of does not cross the x-axis...

5 months ago | 0

Answered
How to make a function to initialize weights in MATLAB using Nguyen-Widrow algorithm for a 47-H-1 multilayer perceptron?
Hi Sweet, When initializing weights in a neural network using the Nguyen-Widrow algorithm, the goal is to set the initial weigh...

5 months ago | 0

Answered
Deep Learning Network Regularization and how to normalized multiple outputs like net.performParam.normalization in nntoolbox?
Hi Ji Hyeon, I'm glad to help with your questions regarding the improvement of multi-output predictions and regularization in d...

5 months ago | 0

Answered
Can someone please show me how to implement the stepfunction in Reinforcement Learning environment using "ActionVectors" in a continous action space (rlNumericSpec)?
Hi Mohamed, To resolve the dimensionality error in your MATLAB Reinforcement Learning environment when using rlNumericSpec for ...

6 months ago | 0