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Victoria


Last seen: 2 months ago

Ryazan State Radio Engineering University

234 total contributions since 2020

Professional Interests: image processing, computer security, criptography, programming, mathematics

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Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

5 months ago

Solved


nth Rational Number
Return the nth rational number. This is the inverse to Problem <http://www.mathworks.com/matlabcentral/cody/problems/1471 1...

5 months ago

Solved


Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

5 months ago

Solved


Parasitic numbers
Test whether the first input x is an n-parasitic number: <http://en.wikipedia.org/wiki/Parasitic_number>. ( _n_ is the second in...

5 months ago

Solved


Determine if a Given Number is a Triangle Number
*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

5 months ago

Solved


Polite numbers. N-th polite number.
A polite number is an integer that sums of at least two consecutive positive integers. For example _7 = 3+4_ so 7 is a polite...

5 months ago

Solved


Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

5 months ago

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Armstrong Number
Determine whether the given input n-digit number is Armstrong Number or not. Return True if it is an Armstrong Number. An n-D...

5 months ago

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Evil Number
Check if a given natural number is evil or not. Read more at <https://oeis.org/A001969 OEIS>.

5 months ago

Solved


N-th Odious
Given index n return n-th <https://oeis.org/A000069 odious number>.

5 months ago

Solved


Find the 9's Complement
Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

5 months ago

Solved


Simple Matrix
Make the following matrix without typing it in one by one. [1 2 3; 2 4 6; 4 8 12] x=[1 2 3].

5 months ago

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Box
Give the volume of a box, x is equal to the body diagonal.

5 months ago

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Problem for beginners
Suppose that x is a column vector, with at least a length of 6. Delete the 2., 6., and the second last row. Example: X=[1;2;3...

5 months ago

Solved


Problem for beginners
M is a nxm matrix. Swap the fist and the second last column with eachother. X=[1 2 3;4 5 6;7 8 9] Y=[2 1 3;5 4 6;8 7 9]

5 months ago

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Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

5 months ago

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Square
X is a number, write a code, where Y should be the square of X.

5 months ago

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

5 months ago

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Matrix problem for beginners
Make a matrix [0,0,0;1,1,1;2,2,2]. X=[0,1,2]

5 months ago

Solved


Matrix for beginners
Multiply x and y elemwise.

5 months ago

Solved


Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...

5 months ago

Solved


Find Logic 1

5 months ago

Solved


Find Logic 3

5 months ago

Solved


Find Logic 4

5 months ago

Solved


Find Logic 6

5 months ago

Solved


Find Logic 7

5 months ago

Solved


Find Logic 8

5 months ago

Solved


Find Logic 9

5 months ago

Solved


Find Logic 10

5 months ago

Solved


Find Logic 11

5 months ago

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