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Feeds
Risolto
Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end),...
oltre 3 anni fa
Risolto
Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...
oltre 3 anni fa
Risolto
Calculating Student Grades
The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...
oltre 3 anni fa
Risolto
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 ...
oltre 3 anni fa
Risolto
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 ...
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
Risolto
Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the roots of the p...
oltre 3 anni fa
Risolto
Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...
oltre 3 anni fa
Risolto
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...
oltre 3 anni fa
Risolto
An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...
oltre 3 anni fa
Risolto
Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.
oltre 3 anni fa
Risolto
Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?
oltre 3 anni fa
Risolto
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)
oltre 3 anni fa
Risolto
Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?
oltre 3 anni fa
Risolto
Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?
oltre 3 anni fa
Risolto
Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?
oltre 3 anni fa
Risolto
Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?
oltre 3 anni fa
