Risolto

Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

oltre 2 anni fa

Risolto

Sum of series VIII

oltre 2 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 2 anni fa

Risolto

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.

oltre 2 anni fa

Risolto

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

oltre 2 anni fa

Risolto

Find Logic 14
Guess the Logic! logic(1) = 100 logic(2) = 96 logic(3) = 105 logic(4) = 89 logic(5) = 114 Make a function logic(x) which w...

oltre 2 anni fa

Risolto

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...

oltre 2 anni fa

Risolto

Make a Plot with Functions
Make a plot and test

oltre 3 anni fa

Risolto

Plotting Practice
Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...

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

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

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

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

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

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

Find Logic 1

circa 4 anni fa

Risolto

Find Logic 3

circa 4 anni fa

Risolto

Find Logic 4

circa 4 anni fa

Risolto

Find Logic 6

circa 4 anni fa

Risolto

Find Logic 7

circa 4 anni fa

Risolto

Find Logic 8

circa 4 anni fa

Risolto

Find Logic 9

circa 4 anni fa

Risolto

Find Logic 10

circa 4 anni fa

Risolto

Find Logic 11

circa 4 anni fa

Risolto

Find Logic 12

circa 4 anni fa

Risolto

Find Logic 13

circa 4 anni fa

Risolto

Find Logic 15

circa 4 anni fa