A résolu


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?

environ 2 ans il y a

A résolu


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

environ 2 ans il y a

A résolu


Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

environ 2 ans il y a

A résolu


Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

environ 2 ans il y a

A résolu


Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

environ 2 ans il y a

A résolu


Converts numbers into characters
Converts numbers into characters

environ 2 ans il y a

A résolu


Find the max element of the array
Find the max element of the array

environ 2 ans il y a

A résolu


Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

environ 2 ans il y a

A résolu


the average value of the elements
Calculate the average value of the elements in the array

environ 2 ans il y a

A résolu


Double all elements in the array
Duplicate all elements in the array

environ 2 ans il y a

A résolu


calculate the length of matrix
input 1 array, calculate the length

environ 2 ans il y a

A résolu


Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

environ 2 ans il y a

A résolu


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

environ 2 ans il y a

A résolu


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

environ 2 ans il y a

A résolu


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...

environ 2 ans il y a

A résolu


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.

environ 2 ans il y a

A résolu


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

environ 2 ans il y a

A résolu


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

environ 2 ans il y a

A résolu


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

environ 2 ans il y a

A résolu


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

environ 2 ans il y a

A résolu


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

environ 2 ans il y a

A résolu


Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

environ 2 ans il y a

A résolu


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

environ 2 ans il y a

A résolu


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

environ 2 ans il y a

A résolu


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displayed ...

environ 2 ans il y a

A résolu


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.

environ 2 ans il y a

A résolu


Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

environ 2 ans il y a

A résolu


Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

environ 2 ans il y a

A résolu


Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

environ 2 ans il y a

A résolu


Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

environ 2 ans il y a

Charger plus