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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?

5 years ago

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Is my wife right?
Regardless of input, output the string 'yes'.

5 years ago

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Mysterious digits operation (easy)
What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

5 years ago

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Wheat on a chessboard pt 1
If a chessboard were to have wheat placed upon each square such that one grain were placed on the first square and each successi...

5 years ago

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Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

5 years ago

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Convert radians to degrees
Given input in radians, output to degrees

5 years ago

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Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

5 years ago

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Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

5 years ago

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Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

5 years ago

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radius of a spherical planet
You just measured its surface area, that is the input.

5 years ago

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Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

5 years ago

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Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

5 years ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

5 years ago

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Radial Zernike polynomials
Given an integer _n_ ≥ 0 and an integer _m_ ≥ 0, generate the <http://en.wikipedia.org/wiki/Zernike_polynomials radial Zer...

5 years ago

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Ackermann's Function
Ackermann's Function is a recursive function that is not 'primitive recursive.' <http://en.wikipedia.org/wiki/Ackermann_fun...

5 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5 years ago

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Add two numbers
Given a and b, return the sum a+b in c.

5 years ago

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Hermite Polynomials
Return the _n_-th <http://en.wikipedia.org/wiki/Hermite_polynomials Hermite polynomial> of the physicists' type. Assume that ...

5 years ago

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Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...

5 years ago

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Box
Give the volume of a box, x is equal to the body diagonal.

5 years ago

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Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

5 years ago

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

5 years ago

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Total energy

5 years ago

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Potential energy calculation

5 years ago

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Kinetic energy calculation

5 years ago

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Laws of motion 1

5 years ago

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Laws of motion 2

5 years ago

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Laws of motion 3

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Laws of motion 4

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Laws of motion 5

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