# Rohit Pappu

**Programming Languages:**

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...

12 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...

12 månader ago

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

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...

ungefär 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...

ungefär 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>> ...

ungefär 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...

ungefär 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?

ungefär 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)

ungefär 3 år ago

Solved

Which quadrant?

Given a complex number, output quadrant 'I' 'II' 'III' or 'IV' | II | I | ...

ungefär 3 år ago

Solved

Filter AC, pass DC

Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

ungefär 3 år ago

Solved

Compute a dot product of two vectors x and y

x and y are input vectors, d is a number and contains their dot product

ungefär 3 år ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

ungefär 3 år ago

Solved

Distance walked 1D

Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

ungefär 3 år ago

Solved

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

ungefär 3 år ago

Solved

Is the Point in a Circle?

Check whether a point or multiple points is/are in a circle centered at point (x0, y0) with radius r. Points = [x, y]; c...

ungefär 3 år ago

Solved

Add two numbers

Calculate the sum of two numbers. Example input = [2 3] output = 5

ungefär 3 år ago

Solved

find the surface area of a cube

given cube side length x, find the surface area of the cube, set it equal to y

ungefär 3 år ago