# Jasvin

### MathWorks

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**Feeds**

How do I optimize two scalar variables for an output that relies on multiple different arrays?

Hi Craig, If I understand your problem correctly, you have an optimization problem where you are trying to optimize the value ...

8 months ago | 0

why the penalty of ga, when all the population violates the nonlinear constraints, is smaller than the penalty of feasible populations?

Hi Emebet, So, this is a problem that exists with all optimization algorithms in MATLAB. The following MATLAB Answers post wou...

8 months ago | 0

Is it possible to have access to the information related to any generation that is less than maxgenerations?

Hi Shuxuan, So, the short answer is that you cannot access the “x” or “fval” values for “gamultiobj”. However, you can get a l...

8 months ago | 0

ode15s step size warning with ODE system using anonymous functions

Hi, For resolving these issues with tolerances, most likely the ODE solver chosen, in this case, “ode15s” is not well-suited f...

8 months ago | 0

Out of memory error during parameter optimization with fmincon and parallel computing

Hi Justus, While there are many moving components involved here, especially with the parallel workers, I think a possible appr...

8 months ago | 0

I want to add CNN layer into a BPNN-PSO model, how can I do it?

It is not possible to directly add a Convolutional Neural Network (CNN) layer to a Backpropagation Neural Network (BPNN) in MATL...

1 year ago | 0

Edit labeles from superpixel function

Assuming that you want to easily and manually label the already labelled image, MATLAB has the Image Labeler tool built specific...

1 year ago | 0

| accepted

Why is the "Remove internal data zero initialization" option removed when the code generation interface is specified to a C++ class?

Unfortunately, if the "Remove internal data zero initialization" option is greyed out in the Simulink configuration parameters w...

1 year ago | 0

Is Ceres-Solver being used in the factor graph optimization?

MathWorks' Factor Graph Toolbox is a proprietary software package, and the implementation details of its optimize function are n...

1 year ago | 0

How we cany connect the BLDC motor model with inverter?

If this is an issue of domain incompatibility like one component is of the electrical domain and another is of the mechanical do...

1 year ago | 0

Fitting models to data with different dependencies

Assuming that you also have the CBF observations for creating the model accurately, the problem essentially boils down to fittin...

1 year ago | 0

Particle distribution of given image

Unless you have any training data available using which you can create a proper model explicitly built to identify the three reg...

1 year ago | 0

How to draw a semi parabola plot for a certain range (0, 1) and (0 90)?

Assuming that you have the code to generate the parabola (if you don't then you can refer to the below MATLAB Answer, https://ww...

1 year ago | 0

Need to convert data from design optimisation (in the form of a .dat file) to .stl file using "convert voxels to stl mathworks script"

As per my understanding, you have the X, Y, Z data for the grid in a .dat file that you want to convert to an STL file and you a...

1 year ago | 0

why do i see "Error while generating code for chart Test Sequence" error when running my test harness?

It is entirely possible that there are some errors in your model during compilation. So first have a look at the Diagnostics of ...

1 year ago | 0

Model calibration for different dates

You can use the findgroups() and splitapply() functions in tandem to achieve the desired functionality. Their use case is defin...

1 year ago | 0

error when generating protected model with code generation

This MATLAB Answer highlights in detail what the issue can be. https://www.mathworks.com/matlabcentral/answers/335297-bug-simul...

1 year ago | 0

Programmatically set StorageClass to ImportFromFile on signals

You can refer to the "Configure Code Generation Settings for Signals Programmatically” section in the below documentation link. ...

1 year ago | 0

How can i control an event based on a percentage?

If you have the probability of the event happening and you want to get the data entries/samples that would successfully result i...

1 year ago | 0

Exporting script that runs a simulink model.

You can have a look at the Coder family of products for embedded code generation https://www.mathworks.com/products/embedded-cod...

1 year ago | 0

| accepted

How to Convert .mat to xml?

The read() function has several uses which include reading data from a datastore (https://www.mathworks.com/help/matlab/ref/matl...

1 year ago | 0

keypress callback not working for a second called UIFigure

A possible workaround for this can be trying to change the focus to a UI element that’s within the second UI Figure via the focu...

1 year ago | 0

Changing battery internal resistance/output during simulation

Assuming that you can use a resistor component as part of the battery’s internal resistance, you can directly use the “Variable ...

1 year ago | 1

How do we write double matrix as an expression?

Assuming that you want to extract a 2x2 sub-matrix from a 1441x2 double matrix called "cost", here is how you would do that cons...

1 year ago | 0

How to design this mechanism using Simulink?

Hi, You can model such physical domain systems via the Simscape product which is available from within Simulink. To get star...

1 year ago | 0

I am struggling with letter b and keep getting this as an error. Variable b must be of size [1 1]. It is currently of size [3 4]. Check where the variable is assigned a value.

Hi Monique, You just have to reassign the output to b instead of B as you are doing in this case. Also, here’s another way ...

1 year ago | 1

| accepted

How can i reduce the size of the legend and increase the size of the plot figure?

I tried reproducing your plot, tinkered with the settings and was able to get the following plot, Does this look closer to wh...

1 year ago | 0

| accepted

Solved

Find the Oldest Person in a Room

Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

1 year ago

Solved

Convert from Fahrenheit to Celsius

Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

1 year ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

1 year ago