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Uday Pradhan


Last seen: Today

MathWorks

35 total contributions since 2020

I am an Application Support Engineer at Mathworks.
Disclaimer : Any articles/ideas/opinions here are my own and in no way reflect that of MathWorks.

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Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

13 jours ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

13 jours ago

Answered
Calculation precision changed in 2020b?
Hi Hiroyuki, If you check (in R2020b): >> X = dot(x,y) - sqrt(sum(x.^2)*sum(y.^2)) ans = 1.776356839400250e-15 whe...

15 jours ago | 0

Answered
What does "-tf inf" stand for in the command system('rtwdemo_secondOrderSystem -tf inf &')
Hi Sylvain, The -tf switch is used to override the stop time that was set during code generation, for example: model -tf n Th...

15 jours ago | 2

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Answered
I am getting the error not enough input arguments when I try to execute my optimization function given below using genetic algorithm in the optimization application of matlab
Hello, This error is arising because you need to pass the handle to the function in "Fitness Function" section instead of the f...

16 jours ago | 1

Answered
How can I create a custom excel function using matlab ?
Hi Sarada, You can use Spreadsheet Link to call MATLAB functions from Microsoft Excel. Firstly, check if Spreadsheet Link is in...

16 jours ago | 0

Answered
In my laptop J just installed matlab 2020a but is showing the following issue
Hi Sanjay, The best way to resolve a License Manager Error -9 is by reactivating MATLAB with the activation client. To do this,...

18 jours ago | 0

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Inferred size ('[1 20]') for data 'MyMatrix_ToVector' does not match back propagated size ('[20]') from Simulink.
Hi Sebastian, You can try editing the size of the output of your MATLAB function. To do this, follow these steps: Open the MAT...

environ 2 mois ago | 0

Answered
Neural Network not updating weights after configuration
Hi Lukas, I have tried to implement your neural net with a sample data (bodyfat_dataset) and it seems to run fine for the size ...

environ 2 mois ago | 0

Answered
How to enable plotted data to be highlight when mouse hover over but not diplay coordinate information when clicked
Hi Yunhao, It is my understanding that you would like to remove the coordinates information which is displayed when we click o...

environ 2 mois ago | 0

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Answered
Customized Regression output layer
Hi, I tried to implement your network on my end and found two problems. One, when using "mse" as the loss function, it is advis...

environ 2 mois ago | 0

Answered
How to add button to mask which adds another dropdown to the same mask
Hi Daniel, According to my understanding, you want to design an interactive mask dialogue box specifically adding a "popup" or ...

environ 2 mois ago | 1

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Answered
How do I programmatically get all variant control labels of a Variant Subsystem when in Label control mode?
Hi Zachary, The list of all the available Variant control labels can be found by selecting the desired Variant subsytem and the...

environ 2 mois ago | 0

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Answered
Unwanted white line in the 3d figure
Hi, A similar question has been answered here. I hope this will resolve your issue.

environ 2 mois ago | 0

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How to pass a vector<float> (1D) from C++ into MATLAB for plotting?
Hi Angad, You can use "createArray" with C++ vector iterators as well. Please refer to this link for more details. I have creat...

environ 2 mois ago | 0

Answered
How to transform non image data so that it will be able to train with Matlab CNN ?
Hi Tuong, You can use the "imageInputLayer" to input your data points into your neural network. You can take: inputSize = [4 1...

environ 2 mois ago | 0

Answered
Question for 'Layer Input sizes' in custom neural network layers
Hi Sangmin, It is my understanding that you want to create an intermediate layer which accepts a 2 – by – 1 vector as input. S...

environ 2 mois ago | 0

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Reinforcement Learning: Multiple Unique Discrete Actions
Hi Huzaifa, According to my understanding, you would like to remove the action pairs which have the same values like [1 1],[2 2...

environ 2 mois ago | 1

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Answered
Calculating and printing uncertainties of fits after the "normal" display of fit-parameters
Hi Claudius, I would suggest to create a custom display function for this task. I have created a function that I describe below...

environ 2 mois ago | 0

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Answered
Model I/O dimensions must agree in feedback(Using struct file to find Robustness in a control system)
Hello Johnathon, The error is due to the incorrect usage of variable "k". According to the video you referred, the correct line...

environ 2 mois ago | 0

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Answered
I am thinking to implement bisection method using Simulink
Hi, To mimic the while loop you can use the "While iterator subsytem" described here. I have attached my model of the subsytem ...

environ 2 mois ago | 0

Answered
Create an algorithm for perfect matching in bipartite graph
Hi Sepideh, It is my understanding that you want to create an algorithm which gives you the perfect matching decomposition of a...

2 mois ago | 0

Solved


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

3 mois 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:...

3 mois ago

Answered
How can I change opts.StartPoint for a custom equation at every loop iteration?
Hi Pinar, It is my understanding that you would like to define custom starting points for your curve - fitting model for differ...

3 mois ago | 0

Answered
Intersection of multiple lines and circle
Hi Tamim, Since the number of location points and circles is low, we can design a brute – force algorithm for this problem. Th...

3 mois ago | 0

Answered
I am using using pdepe to solve a 1D heat diffusion equation. My calling line looks like:
Hi Swayam, The mesh points given by the elements of vectors "xmesh" and "time" are the points where "pdepe" returns the solutio...

3 mois ago | 0

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Answered
Integral2 warning: minRectSizePass
Hi Maria, The "integral2" function with the "tiled" method is an adaptive quadrature that transforms the integration region to ...

3 mois ago | 0

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Answered
Problem with PDE resolution
Hi, This error is produced because in the function “pdefun”, you have defined the variable “c” twice. In the first declarat...

3 mois ago | 0

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Answered
Solving heat equation with source term using pdepe
Hi Nishant, I reckon you have already found the answer here. Sharing the link here so that it comes handy for anyone who has a ...

3 mois ago | 0

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