Risolto

Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...

oltre 11 anni fa

Risolto

Sorting
Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column. Exa...

oltre 11 anni fa

Risolto

Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

oltre 11 anni fa

Risolto

High school cafeteria
Given an input vector of positive integers, return a row vector with the primes first (in increasing order) and the composites n...

oltre 11 anni fa

Risolto

03 - Matrix Variables 4
Make the following variable: <<http://samle.dk/STTBDP/Assignment1_3d.png>> A 3x4 NaN (Not a Number) matrix (Hint: use ...

oltre 11 anni fa

Risolto

Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

oltre 11 anni fa

Risolto

Say something funny
Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

oltre 11 anni fa

Risolto

sum of first 'n' terms
Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

oltre 11 anni fa

Risolto

Add two numbers
Add two numbers (For beginners)

oltre 11 anni fa

Risolto

Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

oltre 11 anni fa

Risolto

Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

oltre 11 anni fa

Risolto

Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

oltre 11 anni fa

Risolto

Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

oltre 11 anni fa

Risolto

Who invented zero?
We know the importance zero in computer science, mathematics... but who invented zero? Clue: He was the first in the line ...

oltre 11 anni fa

Risolto

Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

oltre 11 anni fa

Risolto

Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.

oltre 11 anni fa

Risolto

Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

oltre 11 anni fa

Risolto

Return area of square
Side of square=input=a Area=output=b

oltre 11 anni fa

Risolto

Which quadrant?
Given a complex number, output quadrant 'I' 'II' 'III' or 'IV' | II | I | ...

oltre 11 anni fa

Risolto

Vectorize the digits of an Integer
Create a vector of length N for an integer of N digits. x=123045; x_vec=[1 2 3 0 4 5]; I happened upon a trick to do ...

oltre 11 anni fa

Risolto

power
Calculate power for given voltage and current

oltre 11 anni fa

Risolto

Average
Calculate the average of two numbers

oltre 11 anni fa

Risolto

Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

oltre 11 anni fa

Risolto

Min of a Matrix
Return the minimum value in the given matrix.

oltre 11 anni fa

Risolto

Distance walked 2D
Suppose you go from x-y coordinates [3,4] to [0,0] to [0,1] to [1,1], then you walked 7 units of distance.

oltre 11 anni fa

Risolto

Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

oltre 11 anni fa

Risolto

Omit columns averages from a matrix
Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

oltre 11 anni fa

Risolto

sum of non-primes
The sum of the non-primes below 10 is 1+4+6+8+9+10=38 Find the sum of all the non-primes below the input, N.

oltre 11 anni fa

Risolto

write an expression
output is five more than twice an input number.

oltre 11 anni fa

Risolto

Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

oltre 11 anni fa