Community Profile

# Rohit Pappu

Last seen: ungefär en månad ago Active since 2020

Programming Languages:
C++, Javascript

All

#### Content Feed

View by

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...

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...

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...

Solved

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

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...

Solved

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

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...

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...

ungefär ett 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 ...

ungefär ett 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 = ...

mer än ett år ago | 0

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

mer än ett 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...

mer än ett 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 ...

mer än ett år ago | 0

How to create 95 and 99 percent confidence ellipses around my data

mer än ett 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...

mer än ett 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...

mer än ett 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>> ...

mer än ett 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...

mer än ett 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?

mer än ett år ago

Solved

Sum of series VIII

mer än ett 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)

mer än ett år ago

Solved

Sum of series IX

mer än ett 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...

mer än ett 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...

mer än ett 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....

mer än ett 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...

mer än ett år ago | 0

| accepted

How to solve a transcendental differential equation?

mer än ett år ago | 0

how can we generate a vector of length 100 with random number in between 0 and 1 with uniform probability such that sum of these numbers/100 is equal to 0.75
Please use randfixedsum, available on the File Exchange https://www.mathworks.com/matlabcentral/fileexchange/9700-random-vecto...

mer än ett år ago | 0

| accepted