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Vitaly Lavrukhin


Samsung

Active since 2012

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

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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 10 jaar ago

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

meer dan 10 jaar ago

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

meer dan 10 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 10 jaar ago

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

meer dan 10 jaar ago

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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 10 jaar ago

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

meer dan 10 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 10 jaar ago

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

meer dan 10 jaar ago

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

meer dan 10 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 10 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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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 10 jaar ago

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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...

meer dan 10 jaar ago

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

meer dan 10 jaar ago

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

meer dan 10 jaar ago

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

meer dan 10 jaar ago

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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...

meer dan 10 jaar ago

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

meer dan 10 jaar ago

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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.

meer dan 10 jaar ago

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

meer dan 10 jaar ago

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Add two numbers
Add two numbers (For beginners)

meer dan 10 jaar ago

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