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Decimation
When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

etwa 12 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 12 Jahre vor

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Numeric array to cell array of strings (easy)
Given a numeric array (A) and a 1xk cell array of strings (C), return a cell array (B) that is the same size as A and in which e...

etwa 12 Jahre vor

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Count consecutive 0's in between values of 1
So you have some vector that contains 1's and 0's, and the goal is to return a vector that gives the number of 0's between each ...

etwa 12 Jahre vor

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Get an array of month-ends in a date range
Create a function that would return a list of month-ends falling in a given date range. If a start date or end date falls on a...

etwa 12 Jahre vor

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Cell Source Index
Suppose that C is a cell array whose elements consist of row vectors of elements of the same type. For example, C could be a ce...

etwa 12 Jahre vor

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Get me!
Inspired by Now! problems. Do your best!

etwa 12 Jahre vor

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Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

etwa 12 Jahre vor

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The sum of individual numbers...
Well this one is taking a number and then summing the individual parts till you reach a value of 1, 2, 3, 4, 5, 6, 7, 8, 9, or 0...

etwa 12 Jahre vor

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Make a Plot with Functions
Make a plot and test

etwa 12 Jahre vor

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Calculate FFT
Calculate the fft manually, without using matlab's builtin function. No cheating allowed.

etwa 12 Jahre vor

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Schrödinger dog
Everyone knows that dogs are less unpredictable than cats. But is that proven? Is that measurable at all? YES! NOW IT IS! ...

etwa 12 Jahre vor

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Consecutive Powers
Return 2 numbers and 2 powers such that their difference is 1 A 4 element row vector is expected: x where x(1)^x(2) - x(...

etwa 12 Jahre vor

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Insert certain elements into a vector.
We start with vector V. Some values W will be inserted into V, at positions U. Say, |V| contains |[1 2 3 4 5]| and |W| is |[0...

etwa 12 Jahre vor

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Numbers spiral diagonals (Part 2)
Inspired by Project Euler n°28 and 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the righ...

etwa 12 Jahre vor

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Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

etwa 12 Jahre vor

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Only once: cleaning up your columns
We have a logical array (with ones and zeroes). It is simple: after processing every column may only contain a single true value...

etwa 12 Jahre vor

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Additive persistence
Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

etwa 12 Jahre vor

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Wrap a vector, but insert NaN's at the wrap-positions.
When you plot a line that wraps, and do not want the sawtooth shape to show up in the plot, you can either draw all separate lin...

etwa 12 Jahre vor

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A Poker Hand
Texas Hold ‘Em is a classical card game. In this problem, we are concerned with determining the probability of attaining a certa...

etwa 12 Jahre vor

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Convert binary numbers to hexadecimal numbers
Function must convert the input vector x composed of 0 and 1 (length is a multiple of 8) in hexadecimal. Most significant bit is...

etwa 12 Jahre vor

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Find Factrorial without using built-in function
A number is given, you have to find the factorial of the number without using built-in factroial function. You may use loops....

etwa 12 Jahre vor

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create numeric palindromes and their square roots
Given a number n (1<=n<=9), return a left justified numeric matrix p with all the palindromes of the form 1 to n and back to 1. ...

etwa 12 Jahre vor

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is this number Munchhausen Narcissistic?
in this problem, simply return 1 if a supplied number is Munchhausen narcissistic or 0 if not. eg 153 is narcissistic but not...

etwa 12 Jahre vor

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provide the numerical answer to these number questions...
resturn row matrix containing the sorted numbers which answer the following questions: a) what is the first Knuth number to ...

etwa 12 Jahre vor

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remove nans fast
There are several ways to locate and remove nans in a matrix, and return an 1d row vector. In this problem the challenge is ...

etwa 12 Jahre vor

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Return the Nth Output from an Input Command
*Description* Given _F_, a cell array whose first element is a function handle and subsequent elements are arguments, return ...

etwa 12 Jahre vor

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Rosenbrock's Banana Function and its derivatives
Write a function to return the value of <http://en.wikipedia.org/wiki/Rosenbrock_function Rosenbrock's two-dimensional banana fu...

etwa 12 Jahre vor

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COUNT VOWEL 2
The objective of this problem is to determine the number of unique vowels used in the given string. Now count vowels in STRI...

etwa 12 Jahre vor

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How many digits are there?
Input(s) - any string Output(n) - number of digits within string s

etwa 12 Jahre vor