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Cumulative probability of finding an unlikely combination
This is a supplemental problem to the <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition CryptoMath> ...

etwa 13 Jahre vor

Gelöst

create a circulant matrix
create a circulant matrix

etwa 13 Jahre vor

Gelöst

Lychrel Number Test (Inspired by Project Euler Problem 55)
The task for this problem is to create a function that takes a number _n_ and tests if it might be a Lychrel number. This is, re...

etwa 13 Jahre vor

Gelöst

Calculate euler's phi function
Compute the euler's phi function of a large integer. For more information about this topic please visit: <https://en.wikiped...

etwa 13 Jahre vor

Gelöst

Mean ignoring NaNs
Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

etwa 13 Jahre vor

Gelöst

Find the jerk
No, it's not the author of this problem... Jerk is the rate of change in acceleration over time of an object. So, if given t...

etwa 13 Jahre vor

Gelöst

What gear ratio does the cyclist need?
A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...

etwa 13 Jahre vor

Gelöst

Mann-Kendall Correlation
Write a function that returns the <http://en.wikipedia.org/wiki/Kendall_tau_rank_correlation_coefficient Mann-Kendall> correlati...

etwa 13 Jahre vor

Problem

Mann-Kendall Correlation
Write a function that returns the <http://en.wikipedia.org/wiki/Kendall_tau_rank_correlation_coefficient Mann-Kendall> correlati...

etwa 13 Jahre vor | 1 | 27 Lösungsvorschläge

Gelöst

Create an 'arrow-head" matrix
Write a function that when given an odd number, produces an arrow-head function pointing to the right. Examples n = 3 ...

etwa 13 Jahre vor

Problem

Create an 'arrow-head" matrix
Write a function that when given an odd number, produces an arrow-head function pointing to the right. Examples n = 3 ...

etwa 13 Jahre vor | 4 | 135 Lösungsvorschläge

Gelöst

Two-output anonymous function?
Return a function handle that when applied to an input, it produces two outputs: the first is the same as the input, and the sec...

etwa 13 Jahre vor

Problem

Two-output anonymous function?
Return a function handle that when applied to an input, it produces two outputs: the first is the same as the input, and the sec...

etwa 13 Jahre vor | 4 | 84 Lösungsvorschläge

Gelöst

Phonebook-like problem
strcmpi('Yes', 'No')

etwa 13 Jahre vor

Gelöst

Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

etwa 13 Jahre vor

Problem

Count up then down
Create a function that produces counting up from 0 up to n then down to 0 n=2 --> 0 1 2 1 0 n=3 --> ...

etwa 13 Jahre vor | 3 | 396 Lösungsvorschläge

Gelöst

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...

etwa 13 Jahre vor

Gelöst

compare strings
Given 2 strings and 3 actions (Insert,delete,replace) on characters. Find the difference between two strings. Example: str...

etwa 13 Jahre vor

Gelöst

N-Dimensional Array Slice
Given an N-dimensional array, _A_, an index, _I_, and a dimension, _d_, return the _I_ th elements of _A_ in the _d_ dimension. ...

etwa 13 Jahre vor

Gelöst

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....

etwa 13 Jahre vor

Gelöst

Grandpa's telescope
Two grandkids Dorothy and Benjamin are sharing a telescope made by their grandpa, who used an old lens of spectacles as the obje...

etwa 13 Jahre vor

Gelöst

Find matching string from a list of strings
Write a function that returns a string that is a unique match (if it exists) of the string |inStr| from a list of strings |strLi...

etwa 13 Jahre vor

Gelöst

Decimal Comparison
*Background* A utility of particular interest to Cody and other MATLAB ventures is comparing the equality of two numbers. In ...

etwa 13 Jahre vor

Gelöst

Prime Time
All you need to do here is submit your solution a prime number of seconds after the top of the hour. Any hour at all... Easy, ...

etwa 13 Jahre vor

Gelöst

Reference Index Number
Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

etwa 13 Jahre vor

Gelöst

Surface Fit z(x,y)
Given three vectors x,y,z. Find four coefficients c = [cxx cxy cyy c00], such that z = cxx*x.^2+cxy*x.*y+cyy*y.^2+c00. For e...

etwa 13 Jahre vor

Gelöst

Simple Decoder Ring
The stereotypical _decoder ring_ is remembered as a cereal box prize from the 1950s. Kids learned about cryptography by startin...

etwa 13 Jahre vor

Gelöst

FizzBuzz
<http://c2.com/cgi/wiki?FizzBuzzTest FizzBuzz Test> The "Fizz-Buzz test" is an interview question designed to help filter out...

etwa 13 Jahre vor

Gelöst

ASCII art
Convert a grayscale image to ASCII <<http://www.alfnie.com/software/cameraman.jpg>> *Inputs:* * *img*: Grayscale imag...

etwa 13 Jahre vor

Gelöst

Handle to an array of functions
Given a cell array of functions that operate on scalars, it is required to return a function handle to process a vector of value...

etwa 13 Jahre vor