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Calculate the sum of elements of n*n Hilbert matrix.
Calculate the sum of elements of n*n Hilbert matrix. For example, for n=5: HilbertMatrix = [1.0000 0.5000 0.333...

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Find the sines of an isosceles triangle when given its area and height
Find the sines of an isosceles triangle when given its area and height. For example, when A=12 and h=4, the result is [0.8 0.8 ...

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Solve t^(a*x^2+b*x+c)=s
Solve t^(a*x^2+b*x+c)=s. Return x vector as result. Example a=1, b=2, c=1, t=3, s=15. Result x(1)= 0.5700 x(2)=-2.5700 H...

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Scrabble Scores - 2
An <https://www.mathworks.com/matlabcentral/cody/problems/56-scrabble-scores introductory Cody problem> asks the user to score a...

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print 'Hello W0rld'

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Low level NaN
I have a dataset. Columns represents different variables. A variable may start with NaN or any double type number. If it start...

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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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Slope intercept application
Find y given slope (m), x, and y intercept (b).

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Zero finder
Write a function named 'zero_finder' that takes a matrix as input and returns the row index of the last zero for each for each c...

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Knight Moves?
One of my favorite games are chess. Let’s do something with chess. If you don’t know chess, that’s completely fine. You can stil...

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Play with array Min-Max
An array is provided. For example, a= [ 2,1,11,4,5,13] Create an array from a like this way, out= [ 1,11,2,13,4,5] ➢ 1st take...

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Given a matrix X, manipulate it accordingly
Given a matrix X, 1st add a column to the matrix whose elements are the summation of each rows. Then add a row to the matrix who...

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Armstrong Number
Write a function name armstrong_check that checks whether the given input is an Armstrong Number or not. It returns logical True...

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Find alternating sum
Given an array, find alternating sum i.e. – y = x (1) – x (2) + x (3) – x (4) + x (5) - …

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Extract the prime numbers
Given a list of elements, extract the prime numbers from that array.

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An array is given that contains the marks. Find out the highest 3 marks
An array is given that contains the marks received by a group of students in their class test. Find out the highest 3 marks rec...

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An array is given. Find the unique elements of the array. [keep the sequence unchanged]
An array is given. Find the unique elements of the array. [keep the sequence unchanged] For example if input x=[2 ,4 , 9 ,2 ,...

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Simple Interest : Calculate annual simple interest rate
Theorem : Simple Interest where; F : Future Value P : Present Value r : Annual simple interest rate (decimal) t : Time in...

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What's for Lunch?
Given b choices of beverages, e choices of entrees, s choices of sides (take two different sides total) and d choices of dessert...

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Determine the roots of a cubic equation
Given the coefficients a, b, c, and d of a cubic equation, a*x^3 + b*x^2 + c*x + d = 0, determine its roots.

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Roots of a quadratic equation.
Calculate the roots of a quadratic equation, given coefficients a, b, and c, for the equation a*x^2 + b*x + c = 0.

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Find Missing Number
A little problem (inspired by CodeChef) for the coffee break. A friend give you an array of size n-1 integers and these int...

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Recursion at variable input
input of any length a =2 b =2 c =3 output = (a^b)^c = 64

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DC-DC boost converter
Find the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio

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Determine if a four bar mechanism is of Grashof type
A four bar mechanism is composed of four links. if s is the smallest link, l the longest and p,q are the length of the other lin...

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A shooting competition
In a shooting competition, the target is a square of side L containing a circle of radius R<=L/2. A player scores one point if h...

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Shorten pathname
Given a pathname string, return a condensed version by replacing intermediate folders with '..'. *Example* If fullpat...

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Circle : Square

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Deriving a function using the difference quotient
Write a function that evaluates the derivative of a function in a given point using the well-know formula of the difference quot...

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