Rohit Pappu

Last seen: 3 maanden ago | Active since 2020

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the second...

12 maanden ago

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Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

12 maanden ago

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Export data via data inspector
Hi Beni, As of R2023a, Simulink.sdi.exportRun accepts vector of runID as input argument. Please refer to this documentation ...

ongeveer een jaar ago | 0

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Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

meer dan een jaar ago

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Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

meer dan een jaar ago

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Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...

meer dan een jaar ago

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Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...

meer dan een jaar ago

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Electrical Diode Current Calculation
In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

meer dan een jaar ago

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An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

meer dan een jaar ago

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

meer dan een jaar ago

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Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

meer dan 2 jaar ago

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Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

meer dan 2 jaar ago

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Injecting (and combining) a sine wave after a period of time
A plausible solution is as follows Generate the required sinusoidal signal %define sine wave %%Time specifications: Fs = ...

ongeveer 3 jaar ago | 0

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finding peaks in Simulink
findpeaks accepts only vector data as it's input arguments. A possible workaround would be to use a Buffer block in between Simu...

ongeveer 3 jaar ago | 0

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User Defined Montage but filling 12x8 Array
A possible workaround is as follows % Create an empty cell array of size 12x8 imgList = cell(96); % calculate the cell arra...

ongeveer 3 jaar ago | 0

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Calculate mean distance between lines in an image
For extracting the straight lines, a plausible solution is as follows Find edges in the image using edge function Apply hough ...

ongeveer 3 jaar ago | 0

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How to create 95 and 99 percent confidence ellipses around my data
Please refer to this answer for leads on how to plot confidence ellipses

ongeveer 3 jaar ago | 0

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

ongeveer 3 jaar ago

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

ongeveer 3 jaar ago

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

ongeveer 3 jaar ago

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

ongeveer 3 jaar ago

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Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

ongeveer 3 jaar ago

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Sum of series VIII

ongeveer 3 jaar ago

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Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

ongeveer 3 jaar ago

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Sum of series IX

ongeveer 3 jaar ago

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Plot 2D Gaussian spot and histograms of horizontal and vertical axis in one figure
The above diagram can be created using subplot (for creating the grid of plots) and camroll (for rotating the histogram) % Crea...

ongeveer 3 jaar ago | 1

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Finding circle in image
Please refer to the following answer for some tips on how to improvecircle detection using regionprops https://www.mathworks.co...

ongeveer 3 jaar ago | 0

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How to convert augmented datastore to image datastore?
For augmening input data in the pixelLabelImageDatastore, the Data Augmentation property of pixelLabelImageDatastore can be set....

ongeveer 3 jaar ago | 0

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Which App in Machine Learning and Deep Learning is best for strongly nonlinear and chaotic data?
For Nonlinear datasets, it is recommended to use fitnlm. An example about predicting using non linear regression can be found he...

ongeveer 3 jaar ago | 0

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How to solve a transcendental differential equation?
Please refer to this community answer

ongeveer 3 jaar ago | 0

Rohit Pappu

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