# Rohit Pappu

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C++, Javascript

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**Content Feed**

Solved

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...

10 månader ago

Solved

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...

10 månader ago

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 ...

10 månader ago | 0

Solved

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...

mer än ett år ago

Solved

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...

mer än ett år ago

Solved

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...

mer än ett år ago

Solved

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...

mer än ett år ago

Solved

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...

mer än ett år ago

Solved

An Ohm's Law Calculator

*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

mer än ett år ago

Solved

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...

mer än ett år ago

Solved

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...

mer än 2 år ago

Solved

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 ...

mer än 2 år ago

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 = ...

nästan 3 år ago | 0

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...

nästan 3 år ago | 0

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...

nästan 3 år ago | 0

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 ...

nästan 3 år ago | 0

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

nästan 3 år ago | 0

Solved

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...

nästan 3 år ago

Solved

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...

nästan 3 år ago

Solved

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>> ...

nästan 3 år ago

Solved

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...

nästan 3 år ago

Solved

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?

nästan 3 år ago

Solved

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)

nästan 3 år ago

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...

nästan 3 år ago | 1

| accepted

Finding circle in image

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

nästan 3 år ago | 0

| accepted

How to convert augmented datastore to image datastore?

For augmening input data in the pixelLabelImageDatastore, the Data Augmentation property of pixelLabelImageDatastore can be set....

nästan 3 år ago | 0

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...

nästan 3 år ago | 0

| accepted

How to solve a transcendental differential equation?

Please refer to this community answer

nästan 3 år ago | 0