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Find all vampire fangs
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such th...

12 years ago

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Find vampire numbers
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such th...

12 years ago

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Fangs of a vampire number
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such tha...

12 years ago

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Angles of the hands of a clock
For this problem, consider an analog (or at least continuous digital representation) of a clock. Our clock is a 12 hour clock w...

12 years ago

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last n digit of a power function
Calculate the power of a given a base, exponent. Return the last n digit number. Example 1: base = 3; expo = 8; n = 3; ...

12 years ago

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Simple Past of Regular Verbs
Given a regular verb, return the simple past. Example Input verb = 'to work' Output simple_past = 'worked'

12 years ago

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Integer sequence - 2 : Kolakoski sequence
Get the n-th term of <https://oeis.org/A000002 Kolakoski Sequence>.

12 years ago

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Tribute to Ramanujan
The nth taxicab number, denoted as T(n), is defined as the smallest number that can be expressed as a sum of two positive algebr...

12 years ago

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Fermat's last theorem - again
For a given integer n, express it as a sum of two squares if possible. Return empty matrix otherwise. Solution may not be unique...

12 years ago

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Obscured by Earth
Given two points in <http://en.wikipedia.org/wiki/Earth-centered_inertial ECI> reference frame, check wheather they are in line-...

12 years ago

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Find the coefficient of a number in scientifc notation
Given a non-negative real number N, find the coefficient C and the exponent E of its scientific notation (N = C 10^E). Note that...

12 years ago

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Sum of digit range
Example: If A is n1, and B is n2 digit positive numbers. A*B's digit range will be [c d] (c = min & d = max). Then return ...

12 years ago

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Fair Scoring for Cody
The length-based scoring system for Cody has a few well-known loopholes that allow clever programmers to hide complex code insid...

12 years ago

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Max of a Vector
Write a function to return the max of a vector

12 years ago

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Creating and Executing Function.
Lets say we got a data that has X,Y. X is 30 By 4. Y is 30 By 1. A is the set of data. I wrote a code but i coul...

12 years ago

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Are you in XY plane?
Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

12 years ago

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You are in XY plane ?
Take point having position Vector of (x,y,z). You have to decide whether this point lies in XY plane or not. If it lies then ret...

12 years ago

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Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

12 years ago

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Kepler's Equation
Solve <http://en.wikipedia.org/wiki/Kepler's_equation Kepler's Equation>. Note that the solution is rounded down to 5 decima...

12 years ago

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Inverse of Hilbert matrix
Given a non-negative integer x, return the element-wise power of 2 of the inverse of Hilbert matrix.

12 years ago

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Special Relativity 101.
Special relativity states that the mass of an object varies as a function of its velocity. If *c* is the speed of light (c appro...

12 years ago

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Cody Computer Part 5 - Guess the Name of Cody Computer
Network computers have generally a nickname to be identified. Can you guess the nickname of the Cody Computer? No inpu...

12 years ago

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Pull the variable y_correct from the Caller's Workspace
*Description* This highlights a very easy to use and high-scoring cheat that can be used on almost all Cody questions.

12 years ago

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Cody Computer Part 2 - Get the license number of Cody Computer
In the Cody computer investigation party, you may have already solved : <http://www.mathworks.com/matlabcentral/cody/problems...

12 years ago

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Closely related?
Given a function past_records() that will report blood sugar level of two twin brothers some random number of days ago. For exam...

12 years ago

Solved

swap sign sum & multiply castles
* It is an easy problem, if you know the answer. * Given a square matrix of NxN ordinary numbers. * Initially place N identi...

12 years ago

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Find the Nth Root of a Given Number
Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

12 years ago

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Area of a disk
Find the area of a disk or circle. x= radius of the disk.

12 years ago

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Area of a triangle
A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

12 years ago

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Generate this matrix
For a given odd integer n, generate a matrix as follows: Input: n = 5; Output: [ 2 1 0 0 0 1 ...

12 years ago