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MEDIA DE ME GUSTA
Feeds
Resuelto
Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...
3 meses hace
Resuelto
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...
3 meses hace
Resuelto
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...
3 meses hace
Resuelto
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...
3 meses hace
Resuelto
Weighted average
Compute the weighted average Y, of the vector A, given the weight vector W. The weighted average is the sum of the dot produc...
3 meses hace
Resuelto
Determinant without using det()
Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...
3 meses hace
Resuelto
Subtract integers and add doubles
Create a function that subtracts a from b if a and b are integers and adds them if they are floats.
3 meses hace
Resuelto
Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...
3 meses hace
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modular arithmetic
Given three integers a,b and c, find the remainder when a^b is divided by c. Here, a^b will be well beyond the largest 64 bit in...
3 meses hace
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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
3 meses hace
Resuelto
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 ...
3 meses hace
Resuelto
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not to use d...
3 meses hace
Resuelto
Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
3 meses hace
Resuelto
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
3 meses hace
Resuelto
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
3 meses hace
Resuelto
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
3 meses hace
