Community Profile # Prateek Rai

Last seen: Today Active since 2020

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

6 days ago

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Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

6 days ago

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Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

6 days ago

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

6 days ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

6 days ago

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

6 days ago

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

6 days ago

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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...

6 days ago

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

6 days ago

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Find max
Find the maximum value of a given vector or matrix.

6 days ago

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

6 days ago

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Inner product of two vectors
Find the inner product of two vectors.

6 days ago

the thomas algorithm for non linear equation in MATLAB
To my understanding, you want to understand the thomas algorithm to use it in non linear equation. You can refer to Tridiagonal...

6 days ago | 0

R2021b - code folding in switch/case not fully available
Hi Gabriele, The case folding wasn't removed intentionally. MATLAB has switched to a new editor from R2021b and so, it has a ne...

6 days ago | 0

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How can I create a noise reduction code?
To my understanding, you have created a noise reduction code but cannot see the output image. The error is probably coming in l...

7 days ago | 0

Unable to get good results while testing network created using newrb
To my understanding, you created a network but getting different values (like multiplied with 'e') when testing with test data. ...

8 days ago | 0

How to implement a datastore for labeled image sequences?
To my understanding, you want to create a datastore from dataset which is a large set of 16x8x800 image sequences each with a si...

9 days ago | 0

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Best Practices for modelling in Simscape
To my understanding, you want to learn about best practices for modeling in Simscape. You can refer to the Modeling Best Practi...

9 days ago | 1

I need to load multiple files and extract one value from each file into an output file
To my understanding, you have 300 text files containing 8000 columns and 16 rows and you want to read data of column 1300 row 14...

10 days ago | 0

Anomaly detection, warning system and real time simulation in predictive maintenance using LSTM and CNN
To my understanding, you have created a deep learning model for predictive maintenance with LSTM and CNN and want to add anomaly...

10 days ago | 1

To my understanding, you want to find whether MATLAB supports PLUTO + SDR Transceiver Radio. You can refer to ADALM-PLUTO Radio...

10 days ago | 0

Bar graph doesn't show bars
To my understanding, you are trying to plot a bar graph with duplicate x values bur bars don't appear. I think the problem is ...

10 days ago | 0

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don't understand "training" method in cvpartition class
To my understanding, you want to learn about the 'training' method used with cvpartition. There are three object functions used...

10 days ago | 0

Understanding the use of data in Object Detection
To my understanding, you want to learn how the dataset is loaded and used in Yolo v3 object detection MATLAB example. Further, y...

10 days ago | 0

R2021b - code folding in switch/case not fully available
To my understanding, you want to fold each "case" block in R2021b. One possible workaround could be- Step 1: Go to Editor pref...

10 days ago | 0

Getting errors in fitnlm
To my understanding, you are trying to fit an equation using fitnlm and getting "The Jacobian at the solution is ill-conditioned...

10 days ago | 0

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[NNstart] How do you interpret the weights and biases values in an ANN Model?
To my understanding, you trained an ANN model and extracted the weights and biases, and now trying to understand what the values...

11 days ago | 0

Is there a way to create "sub-folding" / "sub-sections"?
To my understanding, you want to make several layers of sectioning in a MATLAB script. This is possible when you have loop (suc...

11 days ago | 0