Marcel

Last seen: 3 maanden ago | Active since 2013

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Split bread like the Pharaohs - Egyptian fractions and greedy algorithm
How would you split 5 loaves of bread among 8 people in all fairness? Get a hint from the Pharaohs. 5/8 = 4/8 + 1/8 , i.e. each ...

ongeveer 10 jaar ago

Problem

Simple Robotics 2 - End effector attitude
Given a structure as input to your function with the following fields: * robot.links(L1,L2,L3) * robot.jointangles(alfa1,alfa2...

ongeveer 10 jaar ago | 0 | 5 solvers

Solved

Woodall number
Test whether the input is a Woodall number: <http://en.wikipedia.org/wiki/Woodall_number> _Please do not cheat by simply chec...

ongeveer 10 jaar ago

Solved

Simple Robotics 2 - End effector attitude
Given a structure as input to your function with the following fields: * robot.links(L1,L2,L3) * robot.jointangles(alfa1,alfa2...

ongeveer 10 jaar ago

Solved

Find matching parenthesis
One of the most indispensable things about a great text editor for programming is the ability to quickly jump between matching p...

ongeveer 10 jaar ago

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convert decimal to base X
Convert numbers from base 10 to the base X. X is specified as an argument. Here is my code, but I have a problem. It doesn't ...

ongeveer 10 jaar ago

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construct matrix with identical rows
Input a row vector such as x=1:10. Now we need to construct a matrix with L rows,of which every row vector is a copy of x. E...

ongeveer 10 jaar ago

Solved

Next Higher Power of B
|Given a number _n_ and a base _B_ greater than 1, return the lowest integer power of _B_ that is greater than or equal to _n_. ...

ongeveer 10 jaar ago

Problem

Simple Robotics 1: On track?
As a small extension to problem: <http://www.mathworks.com/matlabcentral/cody/problems/2100-distance-to-a-straight-line-2d-give...

ongeveer 10 jaar ago | 1 | 7 solvers

Problem

Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

meer dan 10 jaar ago | 18 | 4034 solvers

Solved

Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

meer dan 10 jaar ago

Solved

Einsteinium-253 decay
Radioactive Einsteinium-253 has a half-life of 1,768,608 seconds. Given 1000mg of Einsteinium-253 at t=0 days, how much is lef...

meer dan 10 jaar ago

Solved

Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

meer dan 10 jaar ago

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Twins in a Window
<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...

meer dan 10 jaar ago

Solved

Generate a string like abbcccddddeeeee
This is the string version of Problem 1035. <http://www.mathworks.com/matlabcentral/cody/problems/1035-generate-a-vector-like-1-...

meer dan 10 jaar ago

Solved

Sort numbers by outside digits
Sort the array so that they are sorted as if their value was a 5 digit number made from the first three and last two digits of t...

meer dan 10 jaar ago

Solved

Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

meer dan 10 jaar ago

Solved

Test if a Number is a Palindrome without using any String Operations
*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

meer dan 10 jaar ago

Solved

Simple Robotics 1: On track?
As a small extension to problem: <http://www.mathworks.com/matlabcentral/cody/problems/2100-distance-to-a-straight-line-2d-give...

meer dan 10 jaar ago

Problem

distance to a straight line (2D) given any 2 distinct points on this straight line
Given 2 points P1,P2 on a straight line and a 3rd point, determine the distance of the 3rd point to the straight line. Your answ...

meer dan 10 jaar ago | 3 | 51 solvers

Solved

meer dan 10 jaar ago

Solved

Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

meer dan 10 jaar ago

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Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

meer dan 10 jaar ago

Solved

Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

meer dan 10 jaar ago

Solved

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

meer dan 10 jaar ago

Solved

Vectorizing, too easy or too hard?
Please insert a . before any ^, * or / in the string. That's it!!

meer dan 10 jaar ago

Solved

Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

meer dan 10 jaar ago

Solved

Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

meer dan 10 jaar ago

Solved

Parasitic numbers
Test whether the first input x is an n-parasitic number: <http://en.wikipedia.org/wiki/Parasitic_number>. ( _n_ is the second in...

meer dan 10 jaar ago

Solved

Sum of diagonals elements of a matrix
Given a matrix, return the sum of all the elements across the diagonals. E.g. A = [1 2 3; 4 5 6; 7 8 9;...

meer dan 10 jaar ago

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