Claudia Cinalli
Followers: 0 Following: 0
Statistiques
0 Problèmes
42 Solutions
RANG
N/A
of 289 890
RÉPUTATION
N/A
CONTRIBUTIONS
0 Questions
0 MATLAB Answers
ACCEPTATION DE VOS RÉPONSES
0.00%
VOTES REÇUS
0
RANG
of 19 604
RÉPUTATION
N/A
CLASSEMENT MOYEN
0.00
CONTRIBUTIONS
0 Fichier
TÉLÉCHARGEMENTS
0
ALL TIME TÉLÉCHARGEMENTS
0
CONTRIBUTIONS
0 Publications
CONTRIBUTIONS
0 Public Chaîne
CLASSEMENT MOYEN
CONTRIBUTIONS
0 Point fort
NOMBRE MOYEN DE LIKES
Feeds
A résolu
Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...
plus de 5 ans il y a
A résolu
Matrix multiplication across rows
Given matrix m, return matrix n such that, rows of n are result of multiplication of the rows of the input matrix Example ...
plus de 5 ans il y a
A résolu
Sum of the Multiplication of Vectors
Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...
plus de 5 ans il y a
A résolu
Returning a "greater than" vector
Given a vector, v, return a new vector , vNew, containing only values > n. For example: v=[1 2 3 4 5 6] n=3 vNew =...
plus de 5 ans il y a
A résolu
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...
plus de 5 ans il y a
A résolu
Time Expansion
How can you slow down any discrete-time signal? Example Input original signal x. x = [1 2 3 -1 -2 -5 -4] We want t...
plus de 5 ans il y a
A résolu
Find the index of n in magic(n)
If input n=5, then magic(n) is 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22...
plus de 5 ans il y a
A résolu
Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...
plus de 5 ans il y a
A résolu
Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5
plus de 5 ans il y a
A résolu
Sum of odd numbers in a matrix
Find the sum of all the odd numbers in a matrix. Example x = [2 3 5 7 1 4 11] y = 27
plus de 5 ans il y a
A résolu
Change the sign of even index entries of the reversed vector
change the signs of the even index entries of the reversed vector example 1 vec = [4 -1 -2 9] ans = [9 2 -1 -4] example2...
plus de 5 ans il y a
A résolu
Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...
plus de 5 ans il y a
A résolu
Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...
plus de 5 ans il y a
A résolu
Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...
plus de 5 ans il y a
A résolu
Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...
plus de 5 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.
plus de 5 ans il y a
A résolu
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
plus de 5 ans il y a
A résolu
Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...
plus de 5 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...
plus de 5 ans il y a
A résolu
Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...
plus de 5 ans il y a
A résolu
Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
plus de 5 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 other numbers. Otherwise return false. E...
plus de 5 ans il y a
A résolu
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...
plus de 5 ans il y a
A résolu
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
plus de 5 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...
plus de 5 ans il y a
A résolu
Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
plus de 5 ans il y a
A résolu
Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...
plus de 5 ans il y a
A résolu
"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...
plus de 5 ans il y a
A résolu
Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...
plus de 5 ans il y a
A résolu
Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...
plus de 5 ans il y a