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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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Find the volume of a cube
Given a cube with edge length x, calculated the volume of the cube.

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Find Even Numbers in Vector
Given a vector x, return the even entries of the vector in the order they appear in x.

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Find the area of a square

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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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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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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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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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Find the altitudes of a triangle
Write a function that takes the x- and y-coordinates of three points describing the vertices of a triangle and returns the coord...

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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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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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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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Optimal saving in Solow's classical growth model
Let us consider a simplified version of Solow's classical growth model. Let , , , and denote production, the capital stock, l...

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Easy Sequences 111: Repnums as Hypotenuse of Pythagorean Triangles
The number belongs to a class of numbers called Repunit Numbers, in which all digits are . For this problem, we'll define a s...

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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 Swaps
The ICFP2023 Challenge is Jul 7-10, registraion opens late June. Updates at TwitICFP2023. These contests are insanely complicate...

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Compute rational expectations in a static, linear NKM model
Consider a static, linear approximation of the baseline New Keynesian macroeconomic model. This can be described by an IS equati...

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Recurssive serie
let the numerical serie U(n) such as U(n+1)= 0.2U(n) + 0.3U(n-1) ; U(0) = a ; U(1) = b the goal is to plot the elements of this...

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ICFP 2022 - Optimal RGB for a region
The ICFP2023 Challenge is Jul 7-10, registraion opens late June. Updates at TwitICFP2023. These contests are insanely complicate...

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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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Calculate the square root
Given an input integer x, calculate the square root without using the sqrt function.

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Mantissa of IEEE Single
Output the mantissa bits as a uint32 of the IEEE representation of the single-typed 32-bit float input. Store these bits in the ...

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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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Easy Sequences 117: Fractional Part of Cube Roots
The fractional part function of a positive real number , denoted as , is defined as: , where , is the floor of . Thus, , and . ...

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List numbers that cannot be expressed as the sum of fewer than four squares
Lagrange proved that all positive integers can be expressed as the sum of four squares. For example, 27 = 16 + 9 + 1 + 1. Howeve...

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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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Integrate a product of gamma functions
Write a function to compute the following integral: where and is the gamma function, the subject of Cody Problem 46025.

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