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Philip Butcher


Last seen: ongeveer een maand ago Active since 2020

Model-Based Software Development, DO-178C.

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Solved


Use a timetable to analyze a train timetable (Part 1)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Th...

ongeveer een maand ago

Solved


Find all prime factors of the input
Given an input x, find its all prime factors. Return the vector with all factors in ascending order. Efficiency is the key here...

ongeveer een maand ago

Solved


Split Even Number Into Two Primes
Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...

ongeveer een maand ago

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Dartboard Average I
A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...

ongeveer een maand ago

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Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)
Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

ongeveer een maand ago

Solved


Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

ongeveer een maand ago

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Is the number of 1s in a binary integer odd or even?
Your function should turn the input integers into binary form and count the number of 1s in the binary. If the number is odd, re...

ongeveer een maand ago

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Get the n-th rand number with given seed
Given seed s, return the n-th rand number using rand(). Round the answer with 4 digits. n is a postive integer.

ongeveer een maand 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?

ongeveer een maand ago

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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)

ongeveer een maand ago

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Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

ongeveer een maand ago

Solved


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

ongeveer een maand ago

Solved


Sum of series VIII

ongeveer een maand ago

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

ongeveer een maand ago

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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?

ongeveer een maand 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?

ongeveer een maand 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?

ongeveer een maand ago

Solved


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

ongeveer een maand ago

Solved


Mass Conversion 2

ongeveer een maand ago

Solved


Area Conversion 2

ongeveer een maand ago

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Area Conversion 1

ongeveer een maand ago

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Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.

ongeveer een maand ago

Solved


Energy Conversion 2

ongeveer een maand ago

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Energy Conversion 1

ongeveer een maand ago

Solved


Laws of motion 1

6 maanden ago

Solved


Find Logic 31

8 maanden ago

Solved


Find Logic 24

8 maanden ago

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Mass Conversion 1

ongeveer een jaar ago

Solved


Temperature Conversion 3

ongeveer een jaar ago

Solved


Temperature Conversion 2

ongeveer een jaar ago

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