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# Paul Bower

Last seen: 5日 前 2017 年からアクティブ

Engineer

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Find the nearest integer
Given a vector of integers and a real number find the closest integer. EX: >> a = [2 4 5 6 8 10]; >> b = 4.6; >> nea...

Corresponding ASCII code.
Given the number, the output will show the corresponding ASCII code.

Square root of a number
Write a code that will output the square root of x.

Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

imaginary

NaN

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

Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

Remove NaNs and numbers adjacent to NaNs
The aim is to remove the elements before and after NaN occurrences inside a vector. For example: x = [6 10 5 8 9 NaN 23 1...

1年以上 前

Fermat's Last Theorem - Fermat's conjecture
Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive integers a...

1年以上 前

Determine if input is a Narcissistic number
<http://en.wikipedia.org/wiki/Narcissistic_number Narcissistic number> is a number that is the sum of its own digits each raised...

1年以上 前

Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

1年以上 前

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

1年以上 前

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

1年以上 前

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?

1年以上 前

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

1年以上 前

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

1年以上 前

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

1年以上 前

Construct an index vector from two input vectors in vectorized fashion
Create an index vector defined by two input vectors, one defining the beginnings of one or more index ranges, and the other defi...

1年以上 前

Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

1年以上 前

Piecewise linear interpolation
Given an Mx2 vector and a row of M-1 integers, output a two column vector that linearly interpolates Y times between each succes...

1年以上 前

intersection of matrices
Given two matrices filled with ones and zeros, determine if they share a common row, column entry. These matrices are of identi...

1年以上 前

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...

1年以上 前

Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

1年以上 前

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

1年以上 前

Calculate Euler's phi function

1年以上 前

Kinetic energy calculation

2年弱 前

Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

2年以上 前