Jakub Rysanek

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Last seen: presque 3 ans il y a | Actif depuis 2014

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EUROSTAT data downloading facility
Automated data importing tool with time series management and visualization capabilities

plus de 5 ans il y a | 4 téléchargements |

A résolu

Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

presque 7 ans il y a

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Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer whi...

presque 7 ans il y a

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

presque 7 ans il y a

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Energy of a photon
Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...

presque 7 ans il y a

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How to subtract?
* Imagine you need to subtract one number from another using MATLAB. * You will not be using eval for this task. * Given two A...

presque 7 ans il y a

Réponse apportée
Differentiation without symbolic toolbox. Is it possible numerically?
<https://www.mathworks.com/matlabcentral/fileexchange/59438-symbolic-derivatives>

plus de 7 ans il y a | 0

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Rotate a matrix for 180 degree
Rotate a matrix for 180 degree for eg: x=[1 2 3 4] y=[4 3 2 1]

presque 8 ans il y a

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Rainbow matrix
Create a "rainbow matrix" as described in the following examples Input = 3 Output = [ 1 2 3 2 3 2 ...

presque 8 ans il y a

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Find the index of the first occurrence of a value in a matrix
Given a matrix of scalars, find the first occurrence of -1 in each column. Output NaN for a column which does not contain the va...

presque 8 ans il y a

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Calculating Sign Changes in a Row Vector(No Element Is Zero)?
For a row vector V=[7 1 2 -3] has one sign change from 2 to -3. So N=Sign_Changes(V) must return N=1; V=[5 9 -2 7]; h...

presque 8 ans il y a

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Where is she?
Given the numbers 12, 3, 6, 9 Tell where the girl is located. That is: Look to your 3 o'clock = look right Example ...

presque 8 ans il y a

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Get the array of sum for three consecutive numbers in an array
Get the array of sum, for three consecutive numbers in an array. if Input 'x' does not have at-least 3 elements then 'y' shou...

presque 8 ans il y a

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Find out value of polynomial at different value.
Find out value of polynomial at different value. Example p(s) = s + 8 For s=0, value is 8.

presque 8 ans il y a

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Rotate counterclockwise a matrix 90 deg with left-bottom element
Example: Input [ 1 2 3 4 5 6 ] Output [ 3 6 2 5 1 4 ]

presque 8 ans il y a

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first element of matrix
find the first elements of a column matrix

presque 8 ans il y a

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Join Strings with Multiple Different Delimiters
The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

presque 8 ans il y a

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Perl 3: shift
_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

presque 8 ans il y a

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Change Vector Value
Change the element of the vector with respect to the element of the direction vector If the element of the direction vecto...

presque 8 ans il y a

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Can you reshape the matrix?
Given a matrix A, is it possible to reshape it into another matrix with the given number of rows?

presque 8 ans il y a

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average for three points
how to calculate the average (for each three values of y) y=[2 3 5 3 4 2 3 4 5 3 2 7 8 6 5 5 4 3 3 3 2 ] you ...

presque 8 ans il y a

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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

presque 8 ans il y a

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If you have matrix A, create matrix B using matrix A as an "element"
A = [1 2 3 4; 5 6 7 8] B = [1 2 3 4 1 2 3 4; 5 6 ...

presque 8 ans il y a

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Tridiagonal
Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix. Example ...

presque 8 ans il y a

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Generate binary combinations for a given number of bit(s)
Generate the binary combination as in the example below. Example: If you are given: bin_comb(2) The answer will be: ...

presque 8 ans il y a

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Create Vector containing following elements
Create Vector containing following elements A=[pi eps NaN inf -inf flintmax];

presque 8 ans il y a

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JOIN STRINGS
There are two given strings 'STRING1' and 'STR ING2'.|monospaced|The output should be 'STRING1 STR ING2' or STr1='Sum';STr2='EQU...

presque 8 ans il y a

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Vertically stack two vectors
Stack two vectors on top of each-other so that... if A = [1 5 3] and B = [8 6 4] then C = [1 5 3 ; 8 6 4]

presque 8 ans il y a

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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

presque 8 ans il y a

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Test within tolerance
Given a vector of experimental data, D, and a vector of truth data, T, return FALSE if any +/- errors (D-T) are outside a given ...

presque 8 ans il y a

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