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Gatech AE

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192 total contributions since 2019

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Solved

Beat the RNG - EASY

14 days ago

Solved

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

15 days ago

Solved

Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

1 month ago

Submitted

gcdFast
gcdFast.m finds the greatest common denominator using a Euclid's algorithm.

Solved

Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

4 months ago

Submitted

Euler Free Body Motion
Numerically solve torque-free motion with conservation of angular momentum

Solved

Replace multiples of 5 with NaN
It is required to replace all values in a vector that are multiples of 5 with NaN. Example: input: x = [1 2 5 12 10 7] ...

7 months ago

Solved

CONVERT TAN TO SIN
In a right angle triangle ABC given the tan(A) then find sin(A) For example tan(A)=3/4 then sin(A)=3/5

7 months ago

Solved

if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R) for example I=5,h=4 then the ans R=3;

7 months ago

Solved

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

7 months ago

Solved

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

7 months ago

Solved

Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

7 months ago

Solved

Palindrome Check
Check whether the entire matrix is palindrome or not. Example matrix = [7 8 7] matrix_reverse = [7 8 7] So the mat...

7 months ago

Solved

Bit calculation
Give me the count of numbers from 1 to n having their last two bits as 0. For example function y = ret_count(4) y = x...

7 months ago

Solved

Reverse a matrix
Its simple. You have to reverse a given matrix.

7 months ago

Solved

Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

7 months ago

Solved

Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

7 months ago

Solved

Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

7 months ago

Solved

Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

7 months ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

7 months ago

Solved

Do they touch?
The center and radius of two circles are given. Determine whether they touch.

7 months ago

Solved

The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

7 months ago

Solved

Performance - summation
Given a vector of natural numbers x = [1,2,3,...,N] compute the sum of its elements by not stressing the machine too much...

7 months ago

Solved

Create One Large Eye of size N x N Quickly?
*<http://en.wikipedia.org/wiki/Aye_(yes) Aye !!!>*

7 months ago

Solved

Angle of triangle
For three unknown points a b c, given three sides ab bc ca, find three angles abc bca cab in radians. Your function should b...

7 months ago

Solved

Elapsed time is -0.005204 seconds.
Write a function that takes less than zero seconds to execute, as measured using tic and toc. For repeatability, the test case p...

7 months ago

Solved

We love vectorized solutions. Problem 1 : remove the row average.
Given a 2-d matrix, remove the row average from each row. Your solution MUST be vectorized. The solution will be tested for ac...

7 months ago

Solved

German tank problem
The <http://en.wikipedia.org/wiki/German_tank_problem German tank problem> is a well-known statistical problem that attempts to ...

7 months ago

Solved

Does the coin touch the line?
If we throw a coin that has a diameter of d, its center will land in a grid n x m. What is the probability that the coin land...

7 months ago

Solved

Number generator
In this problem, a number will be given. starting with the first digit, keep on adding all subsequent digits till the state (...

7 months ago