Community Profile

photo

Andrew Newell


Last seen: 4 dagar ago
1 733 total contributions since 2011

A geophysicist who uses MATLAB for most of his modeling.
Professional Interests: geophysics

Contact

Andrew Newell's Badges

  • Scavenger Finisher
  • 6 Month Streak
  • Thankful Level 2
  • Guiding Light
  • Sequences And Series I Master
  • Matrix Manipulation I Master
  • Project Euler I
  • Personal Best Downloads Level 1
  • Editor's Pick
  • First Review
  • Draw Letters
  • Community Group Solver
  • 5-Star Galaxy Level 1
  • First Submission
  • Number Manipulation I Master

View all

Contributions in
View by

Solved


Approximation of Pi (vector inputs)
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

9 dagar ago

Solved


Generate Square Wave
Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction ...

9 dagar ago

Solved


Find similar sequences
Another problem inspired by a question on the <http://www.mathworks.com/matlabcentral/answers answers> forum. Given a matrix ...

9 dagar ago

Solved


arithmetic progression
I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...

10 dagar 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?

10 dagar ago

Solved


Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

10 dagar ago

Solved


Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

10 dagar ago

Solved


Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

10 dagar ago

Solved


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

10 dagar ago

Solved


Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

10 dagar ago

Solved


Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

10 dagar ago

Solved


Sum the Infinite Series
Given that 0 < x and x < 2*pi where x is in radians, write a function [c,s] = infinite_series(x); that returns with the...

10 dagar ago

Solved


Golomb's self-describing sequence (based on Euler 341)
The Golomb's self-describing sequence {G(n)} is the only nondecreasing sequence of natural numbers such that n appears exactly G...

10 dagar ago

Solved


Integer sequence - 2 : Kolakoski sequence
Get the n-th term of <https://oeis.org/A000002 Kolakoski Sequence>.

10 dagar ago

Solved


Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

10 dagar ago

Solved


all possible subsets of set
Given a vector, return all possible subsets of the vector in a cell array. Properties of basic set theory is assumed to be valid...

10 dagar ago

Solved


Horizontal matrix sort
Given a matrix x with n rows and m columns, return a matrix y with n rows and 2m columns, such that every row in x is sorted fro...

13 dagar ago

Solved


What number has this problem?
This problem is added because it is problem number *???* in the "Community" problems section. <http://www.mathworks.de/matlab...

13 dagar ago

Solved


Area of a triangle
A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

13 dagar ago

Solved


BaeIsAlwaysRight
Output yes whatever bae says

14 dagar ago

Solved


Number of primes
Count the number of primes less than 'n'.

14 dagar ago

Solved


Convert degrees to radians
Given input in degrees, output to radians

14 dagar ago

Solved


Create tangent function out of cosine only
Please don't use tangent and sine functions

14 dagar ago

Solved


Rotate Matrix Depending on the input
Rotate matrix (CounterClockwise) via 90, 180 or -90 depending on the input Ex. a = [1 2 3; 4 5 6; 7 8 9] b = 90; ...

14 dagar ago

Solved


Prime Time
All you need to do here is submit your solution a prime number of seconds after the top of the hour. Any hour at all... Easy, ...

14 dagar ago

Solved


Happy 2013...
Happy 2013, everyone! An interesting tidbit about 2013 is that it is the first year since 1987 to contain four different digits...

14 dagar ago

Solved


Add Me To Death (Sum sum sum)
Given certain vector, sum of the input vector, get the sum of 2 adjacent numbers in the input, and sum of the output vector (wh...

14 dagar ago

Solved


Rotate matrix by -90 degrees
Rotate a Matrix by -90 degrees Example: X = 1 2 3 4 5 6 7 8 9 output = 7 4 ...

14 dagar ago

Solved


Get 1-4-3-4-4
Get the value of the indices in the title and assign it to an array

14 dagar ago

Load more