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Vitaly Lavrukhin


Samsung

463 total contributions since 2012

Professional Interests: Deep Learning, Computer Vision, Natural Language Processing

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Contributions in
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Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

meer dan 6 jaar ago

Solved


select the primes of a vector
Find the prime numbers in a vector

meer dan 6 jaar ago

Solved


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

meer dan 6 jaar ago

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sum of first 'n' terms
Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

meer dan 6 jaar ago

Solved


Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

meer dan 6 jaar ago

Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

meer dan 6 jaar ago

Solved


Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

meer dan 6 jaar ago

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Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...

meer dan 6 jaar ago

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only input
Return the output without writing any code into the function.

meer dan 6 jaar ago

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Min of a Matrix
Return the minimum value in the given matrix.

meer dan 6 jaar ago

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Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

meer dan 6 jaar ago

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Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

meer dan 6 jaar ago

Solved


Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input ...

meer dan 6 jaar ago

Solved


ベクトルのスケーリング
入力したベクトルの大きさを1にしてください。

meer dan 6 jaar ago

Solved


Returning a "greater than" vector
Given a vector, v, return a new vector , vNew, containing only values > n. For example: v=[1 2 3 4 5 6] n=3 vNew =...

meer dan 6 jaar ago

Solved


Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...

meer dan 6 jaar ago

Solved


Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

meer dan 6 jaar ago

Solved


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

meer dan 6 jaar ago

Solved


Find the position of last minimum value in an integer array with numbers
If x = [2 6 4 9 -10 3 1 5 -10] then the output should be 9, because last minimum value (-10) lies at the 9th position.

meer dan 6 jaar ago

Solved


Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

meer dan 6 jaar ago

Solved


Find the maximum two numbers of every column of a matrix
Find the maximum two numbers of every column of a matrix. Example: If we input a matrix A = [ 1 2 4 6 0 3 ...

meer dan 6 jaar ago

Solved


Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...

bijna 7 jaar ago

Solved


click away
Write a function that clicks on a GUI button. *Description*: Some times one wishes to use Matlab to automate some time con...

bijna 7 jaar ago

Solved


Binary
Given a positive, integer n, create a function that returns the respective binary number in the form of a vector. Example: ...

bijna 7 jaar ago

Solved


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

bijna 7 jaar ago

Solved


Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

bijna 7 jaar ago

Solved


Is there a GPU Device?
Return true if there is a supported GPU device available on the Cody computer.

bijna 7 jaar ago

Solved


Calculate the peak value of square wave
Given the peak value of sine wave, calculate corresponding peak value of square wave, if both have same RMS voltage.

bijna 7 jaar ago

Solved


Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.

bijna 7 jaar ago

Solved


Add two numbers
Add two numbers (For beginners)

bijna 7 jaar ago

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