Uday Pradhan

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MathWorks

35 2020 年以降の合計貢献数

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 = ...

4日前

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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...

4日前

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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...

5日前 | 0

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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...

5日前 | 1

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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...

6日前 | 1

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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...

6日前 | 0

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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,...

8日前 | 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...

約1ヶ月前 | 0

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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 ...

約1ヶ月前 | 0

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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...

約1ヶ月前 | 0

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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...

約1ヶ月前 | 0

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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 ...

約1ヶ月前 | 1

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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...

約1ヶ月前 | 0

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

約1ヶ月前 | 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...

約1ヶ月前 | 0

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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...

約1ヶ月前 | 0

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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...

約1ヶ月前 | 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...

約1ヶ月前 | 1

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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...

約1ヶ月前 | 0

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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...

約2ヶ月前 | 0

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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 ...

約2ヶ月前 | 0

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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ヶ月前 | 0

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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...

2ヶ月前

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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:...

2ヶ月前

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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...

2ヶ月前 | 0

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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...

2ヶ月前 | 0

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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...

2ヶ月前 | 0

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

2ヶ月前 | 0

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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...

2ヶ月前 | 0

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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 ...

2ヶ月前 | 0

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