Philip Butcher

Last seen: 8ヶ月前 | 2020 年からアクティブ

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Model-Based Software Development, DO-178C.

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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...

約2年前

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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...

約2年前

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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...

約2年前

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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...

約2年前

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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...

約2年前

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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]; ...

約2年前

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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...

約2年前

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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.

約2年前

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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?

約2年前

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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)

約2年前

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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?

約2年前

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

約2年前

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Sum of series VIII

約2年前

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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?

約2年前

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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?

約2年前

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

約2年前

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

約2年前

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

約2年前

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Mass Conversion 2

約2年前

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Area Conversion 2

約2年前

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Area Conversion 1

約2年前

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

約2年前

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Energy Conversion 2

約2年前

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Energy Conversion 1

約2年前

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Laws of motion 1

2年以上前

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Find Logic 31

2年以上前

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Find Logic 24

2年以上前

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Mass Conversion 1

約3年前

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Temperature Conversion 3

約3年前

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Temperature Conversion 2

約3年前

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Philip Butcher

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