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Find duplicate number from a vector of size n + 1 containing numbers from 1:n
From a given vector of size n + 1, return the duplicate number. Constraints The vector can only contain numbers from 1 to ...

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Even Sum
Calculate the sum of all even numbers between 1 and a given positive integer n. Write a function that takes n as input and retur...

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Draw the Greek letter 'α'
Given the dimensions of a matrix nRow and nCol where nCol > nRow, draw the Greek letter 'α' with 1's and 0's. You can consider t...

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Sum of Squares
Given a vector v of length n, write a MATLAB function to calculate the sum of the squares of its elements.

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String vowel manipulation
Given a string, find all the vowels and shift them to the end of the string in the same order as they are found.

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Cycle Detection
Detect if a graph has cycles: Inputs n: the number of vertices (where each vertex corresponds to an integer from 1 to n) edge...

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Sum the two halves of an array with an even number of elements
given an array of an even number of elements, sum the front and back half of the array and return the sums as an array For exam...

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Implement Euler's formula for calculating polyhedron edges
Your function will take as input the number of faces f and number of vertices v of a polyhedron. It will output the number of ed...

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Add Even and Subtract Odd Numbers in an Array
For an input array, add all the even values and subtract the odd values. This final value is the output. E.g. input = [1 2 3 4...

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findPositiveEvenNumbers
Write a MATLAB function findPositiveEvenNumbers that takes an array of integers as input and returns a new array containing only...

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How many revolutions around the earth
Calculate how many revolutions you will around the earth till 1/1/2100. Given the birhdate find your age in number of days on 1...

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Word with Highest Frequency
Write a MATLAB function that takes in a string and returns the word with the highest frequency in the string. The function shoul...

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Check for armstrong number
Given a number, check if it is an armstrong number. Eg: n = 371 Output: 1 Eg: n = 75 Output: 0

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Am I a city or a state
Input will be an array of cities and states. Also, lists of cities and states will be passed. Replace every city name with "cit...

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掃き出し法を実装して、連立一次方程式を解いてみよう
※本問は、2023/7/24開催の、筑波大学でのセミナーのために作成した問題です。掃き出し法を使った連立一次方程式の解法を穴埋めで実装してみましょう。左辺と右辺を、それぞれ以下の行列Aおよび列ベクトルBで表したものが与えられたとします。この時、...

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Convert row and column subscripts to linear indices
Convert 2D row and column subscripts to linear indices WITHOUT sub2ind Example: row = [1 2 3 1]; col = [2 2 2 3]; sz = [3 3]...

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Find collatz series next number
For given x, if x is even, output is (x/2) if x is odd, output is (3x+1)

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How many offices does MathWorks have in the UK
Please write a function that returns the number of offices MathWorks has in the UK.

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Calculate the sum of first x natural numbers
Calculate the sum of first x natural numbers for example if n=10 output =1+2+..+10=55

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2行2列の行列の行列式を求めてみよう
ある2行2列の行列の入力に対して、行列式を出力してください。例えば、入力が(1,2; 3,4)のとき、出力は1*4-3*2で-2となります。

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Google Drive: MATLAB mat file download
Matlab 'mat' files are notoriously hard to email and download as they are binary files. To make a 'mat' file downloadable from ...

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Google Drive file download
This Challenge is to download a file from GoogleDrive given its "copylink" provided URL and a file name. GoogleDrive links fail...

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Finding valleys
You have a vector of altitudes (units are arbitrary) and need to find the depths of all the valleys. You also need to determine ...

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ICFP 2022 - RoboPaint Image Scoring
The ICFP2023 Challenge is Jul 7-10, registraion opens late June. Updates at TwitICFP2023. These contests are insanely complicate...

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Calculate the volume of the intersection of two balls
Consider two balls (solid spheres) in , with radius and respectively. Suppose that the distance between the centers of the two...

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Sign of IEEE Single
Output the sign bit of the IEEE representation of the single-typed 32-bit float input as the uint8 "1" or the uint8 "0".

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Minimum number of crossings in a complete graph
This problem is related to problem 58384. A complete graph may be drawn in different ways, such that the number of line crossin...

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Minimum number of crossings in a complete bipartite graph
This problem is related to problem 58389. A complete bipartite graph may be drawn in different ways, such that the number of li...

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Draw '5' in Chinese.
Draw a x-by-x matrix '五' using 1s and 0s. Example: x=5 ans= [1 1 1 1 1 0 1 0 0 0 1 1 1 1 0 0 1 0 1 0 1 1 1 1 1] x=7...

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Create an empty array
Suppose you need an empty array. e = [] will give you one, but it's a double array, which may not help if you need a differen...

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