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Convert Two Character String into a Binary Vector
Given a string "XOXXO" convert it into a binary vector. [1 0 1 1 0] Paul Berglund implemented an optimal method in <http://ww...

fast 13 Jahre vor

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

fast 13 Jahre vor

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Perl 1: push
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

fast 13 Jahre vor

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Accessing elements on the diagonal
Access the diagonal elements of a matrix without 'diag' function

fast 13 Jahre vor

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Basics: Divide integers to get integer outputs in all cases
Divide integers a and b in such a way that output y is always an integer (in ceil manner)

fast 13 Jahre vor

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Convert elements in numeric array into different class
Write a function that converts elements in a numeric array into a different class. Example: a = [1:5]; % class: double b...

fast 13 Jahre vor

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Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area

fast 13 Jahre vor

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find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

fast 13 Jahre vor

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Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

fast 13 Jahre vor

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Wheat on a chessboard pt 1
If a chessboard were to have wheat placed upon each square such that one grain were placed on the first square and each successi...

fast 13 Jahre vor

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When can one be the Life Member of the IEEE?
Consult the site http://en.wikipedia.org/wiki/Ieee from where it can be seen that IEEE Members who have reached the age of 65 an...

fast 13 Jahre vor

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Simple date to serial no. conversion
Convert a date string to a serial date number. For example if you take x='19-May-2001' then the result is 730990 x...

fast 13 Jahre vor

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Moving average (variable kernel length)
Find the moving average in a vector. The kernel length is a variable. For example x = 1:10 kernel_length = 2 would r...

fast 13 Jahre vor

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Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Given a number _n_, return the terminal value of the number chain formed by summing the square of the digits. According to the P...

fast 13 Jahre vor

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Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

fast 13 Jahre vor

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Frobenius Norm
Write your own version of Frobenius Norm without using the 'norm' function.

fast 13 Jahre vor

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Find the logic
There exists one logic in between input and output. Find it (easy math). Example 1: x=13 then y=339; Example 2: x=26...

fast 13 Jahre vor

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The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

fast 13 Jahre vor

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Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

fast 13 Jahre vor

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Switch matrix to a column vector
for e.g. x = [1 2 3 4] y = 1 3 2 4

fast 13 Jahre vor

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Relative ratio of "1" in binary number
Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

fast 13 Jahre vor

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Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

fast 13 Jahre vor

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Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

fast 13 Jahre vor

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Penny flipping - calculate winning probability (easy)
Two players are playing a fair penny flipping game. For each flip, the winner adds one penny from the loser's collection to his/...

fast 13 Jahre vor

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Generate pi using logarithm
Generate pi using logarithm

fast 13 Jahre vor

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sinus function
x is the abscissa. find the absolute value of cosine of -x and the same value with changed sign.

fast 13 Jahre vor

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Elapsed time is -0.005204 seconds.
Write a function that takes less than zero seconds to execute, as measured using tic and toc. For repeatability, the test case p...

fast 13 Jahre vor

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It's race time! Write a faster function than the test suite call of unique().
Write a function to get unique elements of a vector faster than unique()! Input will be a vector (of integers or floating point ...

fast 13 Jahre vor

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Who has power to do everything in this world?
There is only one person who is older than this universe. He is Indian version of Chuck Norris.

fast 13 Jahre vor

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Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifmq zpv...

fast 13 Jahre vor