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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 ...
1 year ago
Solved
Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
1 year ago
Solved
Determine if x is a combination of m and n
Given positive integers x, m, and n, determine if x can be written as x = am + bn for any (non-negative) integers a and b. Your ...
1 year ago
Solved
Dog Statistics
The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...
1 year ago
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Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...
1 year ago
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Simpson's Paradox - Calculate correlation coefficients for groups of data
Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...
1 year ago
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Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...
1 year ago
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Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...
1 year ago
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Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...
1 year ago
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Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...
1 year ago
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Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...
1 year ago
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...
1 year ago
Question
Output of the battery is wrong
I have grouped the cells in battery in series as 1, 11 & 1 and the number of parallel cells are 4 in each of them as you can see...
2 years ago | 1 answer | 0
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answerSolved
Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.
2 years ago
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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array
2 years ago
Solved
the average value of the elements
Calculate the average value of the elements in the array
2 years ago
Solved
Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)
2 years ago
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Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?
2 years ago
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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?
2 years ago
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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?
2 years ago
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Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?
2 years ago
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Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?
2 years ago
