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GJam 2014 China Rd A: Library Sorting (Small)
This Challenge is derived from <http://code.google.com/codejam/contest/2924486/dashboard#s=p2 GJam 2014 China Sorting>. This...

12 years ago

Problem

High Precision Square Root (Inspired by Project Euler 80)
Given a positive integer n which is not a perfect square, write a MATLAB script that will calculate the square root of n truncat...

12 years ago | 3 | 34 solvers

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Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

12 years ago

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Fixed-Point Iteration
Perform fixed-point iteration to estimate the root of a nonlinear equation.

12 years ago

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Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

12 years ago

Solved

Minimum Sum thru a Lower Triangle
This Challenge is to find the minimum cumulative sum that traverses from row-1 thru row-N via vertical/diagonal adjacent element...

12 years ago

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Upper triangular matrix
Create a function to retrieve the upper triangular matrix of a matrix (without using tril). The matrix will always be square. ...

12 years ago

Problem

Converting numbers back from extended form
Thanks for all the help you guys gave me on writing out the numbers in extended form in <http://www.mathworks.com/matlabcentral/...

12 years ago | 3 | 130 solvers

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Converting numbers back from extended form
Thanks for all the help you guys gave me on writing out the numbers in extended form in <http://www.mathworks.com/matlabcentral/...

12 years ago

Solved

realsmall
Please return the smallest positive number. This is a little silly problem, but the solution has some funny properties...

12 years ago

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Friday the 13th
According to superstition, lots of unpleasant stuff happens on Friday the 13th, so you might like to find the next occurence of ...

12 years ago

Solved

GJam: 2013 China Event: Cannon Angle
This Challenge is derived from <http://code.google.com/codejam/contest/2933486/dashboard#s=p1 GJam 2013 China Captain Hammer>. T...

12 years ago

Solved

Break it up! Break it up!
You have N pennies. Write a Matlab script that will reveal how many different ways you can break up those pennies. For example...

12 years ago

Problem

Break it up! Break it up!
You have N pennies. Write a Matlab script that will reveal how many different ways you can break up those pennies. For example...

12 years ago | 4 | 93 solvers

Solved

MiniMax
Find the smallest value in array, which is the maximum of its row and column. Example: in array shown below are two numbers w...

12 years ago

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Poker Card Deal!
Anyone want to play a card game? Well this is making one deck of cards, with the option of using 2 jokers. The outputs are ...

12 years ago

Solved

Free Fall analytical solution (Chapra 2012 textbook Example 1.1)
Analytical solution to bungee jumper problem. Given time series as a vector, parameters mass and drag coefficient, and gravit...

12 years ago

Solved

Rubik's Cube: 30 Moves or Less : Cody Size
This Challenge is to solve a thoroughly scrambled Rubik's cube with smallest code (30 moves max). Rubik's Cube can be solved ...

12 years ago

Solved

Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

12 years ago

Problem

Numbers in extended form
Shhhhhhh. Don't tell my daddy, but I'm borrowing his Cody account so all of you very smart people can help me out. I just star...

12 years ago | 7 | 114 solvers

Solved

Numbers in extended form
Shhhhhhh. Don't tell my daddy, but I'm borrowing his Cody account so all of you very smart people can help me out. I just star...

12 years ago

Solved

Blood test?
Assuming: the genetic makeup (genotype) of a child is coded as a pair with two components, combining half genotype of one parent...

12 years ago

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Drying sweater?
* A sweater is revolving in a slow low power dryer and losing moisture at any moment at the constant rate 100% of its current mo...

12 years ago

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Is X a Fibonacci Matrix?
In honor of Cleve's new blog and post: <http://blogs.mathworks.com/cleve/2012/06/03/fibonacci-matrices/> Is X a Fibonacci ...

12 years ago

Solved

Path of least resistance
Find the length of the shortest path through the matrix from the top left to bottom right corner. You may move right, down, or d...

12 years ago

Solved

Binpack Contest: Retro - - Best Packing
The <http://www.mathworks.com/matlabcentral/contest/contests/3/rules Full Binpack Rules and examples>. This Challenge is a pa...

12 years ago

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Mean and standard deviation of times in string
Input(t) - cell of strings with times in format 'min:sec.ms' Output([m, s]) - two strings with mean and standard deviation wi...

12 years ago

Solved

Can you beat the lottery again (for hardcore coder) ?
Inspired by the Problem 1713 by Chris E. Here is the code that generates the first lottery number: rng('shuffle'); numb...

12 years ago

Solved

Letter and word frequency
Here is a task: You’re given a text file. Your first task is to create a variable in MATLAB which will hold the text given to...

12 years ago

Solved

Chebyshev polynomials of the 2nd Kind
Given an integer _n_ ≥ 0, generate the _n_-th <http://en.wikipedia.org/wiki/Chebyshev_polynomials Chebyshev polynomial of the...

12 years ago