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function on a moving window
Create a function that applies an operation (such as @sum, @mean, @std, @norm etc) to a moving window of the data. First exampl...

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Sleeping Queens 1
My youngest daughter received a card game named Sleeping Queens for Christmas this year, and has been playing it nearly non-stop...

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Rule of mixtures (composites) - reverse engineering
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

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Circle and Quadratic
Imagine the quadratic curve with equation y=y(x)=ax^2+bx+c On the concave side of this curve there is a circle of radius...

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Determine if input is a Harshad number
In mathematics a harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digit...

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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...

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Locate image wells
A mathematical model of wells pumping groundwater near a boundary can be constructed using the method of images, which is also u...

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Find a subset that divides the vector into equal halves --- HARD MODE
This problem is the same as Ned Gulley's problem 660, but the input arrays will be larger. As in problem 660, given a vector ...

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Leonardo primes
Leonardo numbers are defined by following recurrence relation: Leonard prime is Leonardo number which is also prime (see ...

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Kolakoski Sequence
This is a modified version of the kolakoski sequence. Refer to the problem <https://www.mathworks.com/matlabcentral/cody/p...

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Compute the Tetris sequence
In the Tetris sequence, which starts with a 1, the next term is the smallest positive integer not already in the sequence that h...

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Cricket - Report the Result (Part I: Limited Overs)
Given two scalar strings representing the scores for a limited-overs match, return a string reporting the result in the form "Te...

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Cricket - Career Bowling Statistics
Given a vector s of strings representing a bowler's individual innings records, return their career statistics as a 3-element (n...

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JannaT is Loved By Me
JannaT was sTarTed loved by me and that time was in 2020. A year when JannaT will starT loving me when the year divided from th...

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Compute the largest number with a given integer complexity
Cody Problems 42831 and 42834 ask us to compute integer complexity, the smallest number of 1s needed to construct a number with ...

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Solve an equation involving primes and fractions
Write a function to find pairs of primes and satisfying the equation where is an integer. The function should take a numbe...

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Integer complexity (Large numbers)
Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/42831-integer-complexity Problem 42831>, this problem aims to ...

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Compute the Lagarias Riemann Hypothesis sequence
Write a function that takes an input number and produces a sequence (i.e., all values up to and including the th value) compute...

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01-01: 正弦波の生成
「MATLABで学ぶ実践画像・音声処理入門」のプログラム1-1 と同じ正弦波を、サンプリング周波数 10kHz で生成し、返却する関数を作成せよ。

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Design a well field in an infinite aquifer
A well field provides water for a community. The design of a well field involves a goal to meet a specified service demand (i.e...

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Remove duplicated vertices
First input V_in is a vertices list (X Y Z coordinates) which may contain duplicata (identical rows). Second input T_in is th...

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Segmented number sequence
Given a positive integer, n, and a row vector, x, of positive integers, return a row vector, v, which is a sequence of length n ...

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Compute a nested cube root
Consider the quantity . Write a function to compute without using loops or recursion.

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List every vertices neighbor indices
Input T is a <https://fr.mathworks.com/help/matlab/ref/triangulation.html triangulation>. The purpose of this function is to ...

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List one vertex neighbors
First input T is a triangulation connectivity indices list (triplet list of indices -positive integers-, each index refering to ...

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Find edges from a vertex
First input is T, a triplet list of indices. Second input is i, a single index (positive integer). The goal of this function is ...

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Build edges list
Input T is a triangulation connectivity indices list (triplet list of indices -positive integers-, each index refering to a vert...

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Intersection points of a polynomial
Find the intersection points of a polynomial, given by its vector of coefficients with the X-axis and the Y-axis. Input: a poly...

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Harmonic series counting
The function takes a positive limit as input, And counts how many terms must be summed in the harmonic series: 1/1, 1/2, 1/3, ...

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Find if x is even or odd
given number x, if x is even return 1, if it is odd return 0

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