lazymatlab

Last seen: 26 jours il y a | Actif depuis 2019

Followers: 2 Following: 0

Message

Life is short. Matlab code is shorter.

Programming Languages:
MATLAB
Spoken Languages:
English, Korean

Statistiques

All

RANG
14 466
of 159 227

CONTRIBUTIONS
0 Problèmes
28 Solutions

SCORE
350

NOMBRE DE BADGES
2

Afficher les badges

Feeds

A résolu

This is a palindrome and so am I
A palindrome is a sequence of characters which reads the same backward or forward, for instance 'a man a plan a canal panama'...

8 mois il y a

A résolu

The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

environ un an il y a

A résolu

Additive persistence
Inspired by Problem 2008 created by Ziko. In mathematics, the persistence of a number is the *number of times* one must apply...

environ un an il y a

A résolu

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

environ un an il y a

A résolu

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

plus d'un an il y a

A résolu

Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

plus de 2 ans il y a

A résolu

Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

plus de 2 ans il y a

A résolu

Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

plus de 2 ans il y a

A résolu

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

plus de 2 ans il y a

A résolu

Create a vector
Create a vector from 0 to n by intervals of 2.

plus de 2 ans il y a

A résolu

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

plus de 2 ans il y a

A résolu

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

plus de 2 ans il y a

A résolu

Find max
Find the maximum value of a given vector or matrix.

plus de 2 ans il y a

A résolu

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

plus de 2 ans il y a

A résolu

Inner product of two vectors
Find the inner product of two vectors.

plus de 2 ans il y a

A résolu

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

plus de 2 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 2 ans il y a

A résolu

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

plus de 2 ans il y a

A résolu

Ternary Conditional Operator
Returns one of two expressions depending on a condition. (test) : (expression1) : (expression2) *test:* Any Boolean ex...

plus de 4 ans il y a

A résolu

Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to ...

plus de 4 ans il y a

A résolu

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

presque 5 ans il y a

A résolu

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

presque 5 ans il y a

A résolu

Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

plus de 5 ans il y a

A résolu

Find the peak 3n+1 sequence value
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

A résolu

Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

plus de 5 ans il y a

A résolu

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...

plus de 5 ans il y a

A résolu

Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

plus de 5 ans il y a

A résolu

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

plus de 5 ans il y a