Problem Groups

The Community group contains problems contributed by Cody players. The Cody Challenge group contains problems created by the Cody administrator.

New to Cody? Let us show you how Cody works, or start solving problems.

Community

Problems submitted by members of the MATLAB Central community.

1261Solvers

Weighted average

Created by Will

Tags

weighted, average

Problem Group

Community
1057Solvers

Check if sorted

Created by Amitava Biswas

Tags

sort

Problem Group

Community
697Solvers

The Hitchhiker's Guide to MATLAB

Created by the cyclist

Tags

"douglas adams", douglas adams

Problem Group

Community
612Solvers

Reverse the vector

Created by Vishwanathan Iyer

Tags

handling vectors

Problem Group

Community
535Solvers

Distance walked 1D

Created by Amitava Biswas

Tags

walk

Problem Group

Community
503Solvers

Too mean-spirited

Created by the cyclist

Tags

mean

Problem Group

Community
442Solvers

Swap the input arguments

Created by Steve Eddins

Tags

swap

Problem Group

Community
416Solvers

Roll the Dice!

Created by @bmtran

Tags

rolling, gambling, dice, random

Problem Group

Community
386Solvers

radius of a spherical planet

Created by Amitava Biswas

Tags

planet

Problem Group

Community
355Solvers

inner product of two vectors

Created by Amitava Biswas

Tags

vector

Problem Group

Community
337Solvers

Project Euler: Problem 1, Multiples of 3 and 5

Created by Doug Hull

Tags

projecteuler

Problem Group

Community
337Solvers

Bottles of beer

Created by Alan Chalker

Tags

bottles of beer

Problem Group

Community
317Solvers

Sorted highest to lowest?

Created by Amitava Biswas

Tags

sort

Problem Group

Community
281Solvers

Make one big string out of two smaller strings

Created by Michelle

Tags

start here, strings

Problem Group

Community
277Solvers

Arrange Vector in descending order

Created by Vishwanathan Iyer

Tags

sorting, vector

Problem Group

Community
255Solvers

Factorize THIS, buddy

Created by the cyclist

Tags

easy prime

Problem Group

Community
243Solvers

Find the sum of the elements in the "second" diagonal

Created by Roy Fahn

Tags

sum, matrix

Problem Group

Community
216Solvers

surface of a spherical planet

Created by Amitava Biswas

Tags

planet

Problem Group

Community
216Solvers

Tell me the slope

Created by Amitava Biswas

Tags

slope

Problem Group

Community
206Solvers

All capital?

Created by Amitava Biswas

Tags

string

Problem Group

Community
204Solvers

Back to basics 6 - Column Vector

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
195Solvers

Right and wrong

Created by the cyclist

Tags

triangle

Problem Group

Community
192Solvers

given 3 sides, find area of this triangle

Created by Amitava Biswas

Tags

siam, geometry

Problem Group

Community
187Solvers

Omit columns averages from a matrix

Created by Roy Fahn

Tags

columns, matrix

Problem Group

Community
187Solvers

Sum of diagonal of a square matrix

Created by Sunu

Tags

basic matlab

Problem Group

Community
171Solvers

Back to basics 8 - Matrix Diagonals

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
170Solvers

Solve the Sudoku Row

Created by @bmtran

Tags

sudoku, solve, logic

Problem Group

Community
167Solvers

Back to basics 11 - Max Integer

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
165Solvers

Love triangles

Created by the cyclist

Tags

triangle

Problem Group

Community
161Solvers

First N Perfect Squares

Created by @bmtran

Tags

perfect squares, natural numbers, increment, integers, math

Problem Group

Community
156Solvers

Back to basics 22 - Rotate a matrix

Created by Alan Chalker

Tags

matrices

Problem Group

Community
154Solvers

Increment a number, given its digits

Created by the cyclist

Tags

digit increment

Problem Group

Community
151Solvers

remove DC

Created by Amitava Biswas

Tags

acdc

Problem Group

Community
150Solvers

Remove NaN ?

Created by Julio

Tags

logical, matrix

Problem Group

Community
139Solvers

All your base are belong to us

Created by the cyclist

Tags

logarithm base

Problem Group

Community
132Solvers

Number of 1s in the Binary Representation of a Number

Created by @bmtran

Tags

base, count, binary

Problem Group

Community
130Solvers

Project Euler: Problem 10, Sum of Primes

Created by Doug Hull

Tags

projecteuler

Problem Group

Community
126Solvers

Back to basics 10 - Max Float

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
124Solvers

Back to basics 1 - Saving

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
124Solvers

So many choices

Created by the cyclist

Tags

choose

Problem Group

Community
123Solvers

Back to basics 12 - Input Arguments

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
120Solvers

Get the length of a given vector

Created by Yudong Zhang

Tags

basicic matlab, length, vector

Problem Group

Community
118Solvers

give nth decimal place of pi

Created by Amitava Biswas

Tags

pi

Problem Group

Community
114Solvers

Convert a vector into a number

Created by Doug Hull

Tags

ml101

Problem Group

Community