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EUROSTAT data downloading facility

Automated data importing tool with time series management and visualization capabilities

22 days ago | 9 downloads |

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Pentagonal Numbers

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

1 year ago

Solved

Pernicious Anniversary Problem

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

1 year ago

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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...

1 year ago

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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 ...

1 year ago

Solved

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...

1 year ago

Answered

Differentiation without symbolic toolbox. Is it possible numerically?

<https://www.mathworks.com/matlabcentral/fileexchange/59438-symbolic-derivatives>

Differentiation without symbolic toolbox. Is it possible numerically?

<https://www.mathworks.com/matlabcentral/fileexchange/59438-symbolic-derivatives>

2 years ago | 0

Solved

Rotate a matrix for 180 degree

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

2 years ago

Solved

Rainbow matrix

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

2 years ago

Solved

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...

2 years ago

Solved

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...

2 years ago

Solved

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 ...

2 years ago

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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...

2 years ago

Solved

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.

2 years ago

Solved

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 ]

2 years ago

Solved

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...

2 years ago

Solved

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?_...

2 years ago

Solved

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...

2 years ago

Solved

Can you reshape the matrix?

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

2 years ago

Solved

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 ...

2 years ago

Solved

Sum of series II

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

2 years ago

Solved

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 ...

2 years ago

Solved

Tridiagonal

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

2 years ago

Solved

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: ...

2 years ago

Solved

Create Vector containing following elements

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

2 years ago

Solved

JOIN STRINGS

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

2 years ago

Solved

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]

2 years ago

Solved

Sum of series VI

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

2 years ago

Solved

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 ...

2 years ago