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.

1211Solvers

Weighted average

Created by Will

Tags

weighted, average

Problem Group

Community
1014Solvers

Check if sorted

Created by Amitava Biswas

Tags

sort

Problem Group

Community
745Solvers

Sum all integers from 1 to 2^n

Created by Dimitris Kaliakmanis

Tags

math

Problem Group

Community
665Solvers

The Hitchhiker's Guide to MATLAB

Created by the cyclist

Tags

"douglas adams", douglas adams

Problem Group

Community
576Solvers

Reverse the vector

Created by Vishwanathan Iyer

Tags

handling vectors

Problem Group

Community
420Solvers

Swap the input arguments

Created by Steve Eddins

Tags

swap

Problem Group

Community
400Solvers

Roll the Dice!

Created by @bmtran

Tags

rolling, gambling, dice, random

Problem Group

Community
365Solvers

radius of a spherical planet

Created by Amitava Biswas

Tags

planet

Problem Group

Community
342Solvers

inner product of two vectors

Created by Amitava Biswas

Tags

vector

Problem Group

Community
315Solvers

Bottles of beer

Created by Alan Chalker

Tags

bottles of beer

Problem Group

Community
301Solvers

Sorted highest to lowest?

Created by Amitava Biswas

Tags

sort

Problem Group

Community
268Solvers

Make one big string out of two smaller strings

Created by Michelle

Tags

start here, strings

Problem Group

Community
264Solvers

Arrange Vector in descending order

Created by Vishwanathan Iyer

Tags

sorting, vector

Problem Group

Community
247Solvers

Factorize THIS, buddy

Created by the cyclist

Tags

easy prime

Problem Group

Community
229Solvers

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

Created by Roy Fahn

Tags

sum, matrix

Problem Group

Community
205Solvers

surface of a spherical planet

Created by Amitava Biswas

Tags

planet

Problem Group

Community
204Solvers

Tell me the slope

Created by Amitava Biswas

Tags

slope

Problem Group

Community
197Solvers

All capital?

Created by Amitava Biswas

Tags

string

Problem Group

Community
191Solvers

Back to basics 6 - Column Vector

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
184Solvers

Right and wrong

Created by the cyclist

Tags

triangle

Problem Group

Community
184Solvers

given 3 sides, find area of this triangle

Created by Amitava Biswas

Tags

siam, geometry

Problem Group

Community
180Solvers

Omit columns averages from a matrix

Created by Roy Fahn

Tags

columns, matrix

Problem Group

Community
169Solvers

Sum of diagonal of a square matrix

Created by Sunu

Tags

basic matlab

Problem Group

Community
162Solvers

Back to basics 8 - Matrix Diagonals

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
158Solvers

Solve the Sudoku Row

Created by @bmtran

Tags

sudoku, solve, logic

Problem Group

Community
157Solvers

Back to basics 11 - Max Integer

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
155Solvers

Love triangles

Created by the cyclist

Tags

triangle

Problem Group

Community
150Solvers

First N Perfect Squares

Created by @bmtran

Tags

perfect squares, natural numbers, increment, integers, math

Problem Group

Community
148Solvers

Increment a number, given its digits

Created by the cyclist

Tags

digit increment

Problem Group

Community
147Solvers

remove DC

Created by Amitava Biswas

Tags

acdc

Problem Group

Community
144Solvers

Back to basics 22 - Rotate a matrix

Created by Alan Chalker

Tags

matrices

Problem Group

Community
139Solvers

Remove NaN ?

Created by Julio

Tags

logical, matrix

Problem Group

Community
134Solvers

All your base are belong to us

Created by the cyclist

Tags

logarithm base

Problem Group

Community
128Solvers

Number of 1s in the Binary Representation of a Number

Created by @bmtran

Tags

base, count, binary

Problem Group

Community
121Solvers

Back to basics 10 - Max Float

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
120Solvers

Back to basics 12 - Input Arguments

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
118Solvers

So many choices

Created by the cyclist

Tags

choose

Problem Group

Community
117Solvers

Back to basics 1 - Saving

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
112Solvers

give nth decimal place of pi

Created by Amitava Biswas

Tags

pi

Problem Group

Community
112Solvers

Get the length of a given vector

Created by Yudong Zhang

Tags

basicic matlab, length, vector

Problem Group

Community
111Solvers

Count from 0 to N^M in base N.

Created by Chris

Tags

odd bases, counting

Problem Group

Community
109Solvers

Back to basics 14 - Keywords

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
107Solvers

Back to basics 9 - Indexed References

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
105Solvers

Back to basics 23 - Triangular matrix

Created by Alan Chalker

Tags

matrices

Problem Group

Community
104Solvers

Back to basics 21 - Matrix replicating

Created by Alan Chalker

Tags

matrices

Problem Group

Community
101Solvers

Number of 1s in a binary string

Created by Srivardhini

Tags

sum, binary

Problem Group

Community
101Solvers

Back to basics 7 - Equal NaNs

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community