Vitaly Lavrukhin
Samsung
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Professional Interests: Deep Learning, Computer Vision, Natural Language Processing
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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 ...
mer än 10 år ago
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Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area
mer än 10 år 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...
mer än 10 år ago
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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...
mer än 10 år 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.
mer än 10 år 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.
mer än 10 år 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 ...
mer än 10 år 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...
mer än 10 år 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...
mer än 10 år 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 ...
mer än 10 år 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 =...
mer än 10 år 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...
mer än 10 år 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 ...
mer än 10 år 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...
mer än 10 år 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.
mer än 10 år 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.
mer än 10 år 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 ...
mer än 10 år 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...
mer än 10 år 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...
mer än 10 år 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: ...
mer än 10 år ago
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Calculate FFT
Calculate the fft manually, without using matlab's builtin function. No cheating allowed.
mer än 10 år 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...
mer än 10 år ago
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Is there a GPU Device?
Return true if there is a supported GPU device available on the Cody computer.
mer än 10 år 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.
mer än 10 år ago
Solved
Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.
mer än 10 år ago