Problem Groups

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

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Community

Problems submitted by members of the MATLAB Central community.

111Solvers

Get the length of a given vector

Created by Yudong Zhang

Tags

basicic matlab, length, vector

Problem Group

Community
111Solvers

give nth decimal place of pi

Created by Amitava Biswas

Tags

pi

Problem Group

Community
110Solvers

Count from 0 to N^M in base N.

Created by Chris

Tags

odd bases, counting

Problem Group

Community
108Solvers

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
106Solvers

Convert a vector into a number

Created by Doug Hull

Tags

ml101

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
100Solvers

Back to basics 7 - Equal NaNs

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
100Solvers

pressure to dB?

Created by Amitava Biswas

Tags

decibel

Problem Group

Community
99Solvers

Number of 1s in a binary string

Created by Srivardhini

Tags

sum, binary

Problem Group

Community
99Solvers

Determine Whether an array is empty

Created by Yudong Zhang

Tags

determine, empty, matrix

Problem Group

Community
97Solvers

Filter AC, pass DC

Created by Amitava Biswas

Tags

acdc

Problem Group

Community
97Solvers

Who knows the last digit of pi?

Created by Bart

Tags

cody meets chuck norris

Problem Group

Community
95Solvers

2 b | ~ 2 b

Created by Alan Chalker

Tags

strings

Problem Group

Community
91Solvers

Back to basics 20 - singleton dimensions

Created by Alan Chalker

Tags

dimensions

Problem Group

Community
90Solvers

Rotate a Matrix by 90 degrees

Created by Reza Ahmadzadeh

Tags

matrix

Problem Group

Community
90Solvers

Compute a dot product of two vectors x and y

Created by Evgeny

Tags

linear algebra

Problem Group

Community
89Solvers

Whether the input is vector?

Created by Sangeeta

Tags

vector

Problem Group

Community
89Solvers

Magic!

Created by the cyclist

Tags

magic

Problem Group

Community
88Solvers

Multiply a column by a row

Created by Amitava Biswas

Tags

matrix; multiply

Problem Group

Community
87Solvers

Find the largest value in the 3D matrix

Created by Bruce Raine

Tags

3d

Problem Group

Community
87Solvers

Rotate a Matrix

Created by Yudong Zhang

Tags

rotation, function

Problem Group

Community
86Solvers

Distance walked 3D

Created by Amitava Biswas

Tags

walk

Problem Group

Community
86Solvers

Lose control

Created by Amitava Biswas

Tags

string

Problem Group

Community
86Solvers

Project Euler: Problem 7, Nth prime

Created by Doug Hull

Tags

primes, projecteuler

Problem Group

Community
85Solvers

Back to basics 17 - white space

Created by Alan Chalker

Tags

white spaces

Problem Group

Community
85Solvers

sorting

Created by Yvan Lengwiler

Tags

sorting

Problem Group

Community
83Solvers

Check if number exists in vector

Created by Nichlas

Tags

vectors

Problem Group

Community
82Solvers

Check to see if a Sudoku Puzzle is Solved

Created by @bmtran

Tags

sudoku, solve, logic

Problem Group

Community
80Solvers

Number of Horns on a unicorn!

Created by Patrick Schuster

Tags

unicorn, fun

Problem Group

Community
79Solvers

Flip the main diagonal of a matrix

Created by Bruce Raine

Tags

diagonal, magic

Problem Group

Community
79Solvers

which quadrant?

Created by Amitava Biswas

Tags

geometry

Problem Group

Community
79Solvers

Back to basics 15 - Benchmark

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
78Solvers

Read a Soroban Abacus

Created by @bmtran

Tags

abacus, soroban, japanese, logic, linear algebra

Problem Group

Community
77Solvers

Remove the air bubbles

Created by Ned Gulley

Tags

matrix manipulation

Problem Group

Community
77Solvers

Getting the indices from a vector

Created by Doug Hull

Tags

indexing, ml101

Problem Group

Community
77Solvers

Back to basics 15 - classes

Created by Alan Chalker

Tags

classes

Problem Group

Community
75Solvers

Distance walked 2D

Created by Amitava Biswas

Tags

walk

Problem Group

Community
75Solvers

Back to basics 26 - Keywords

Created by Alan Chalker

Tags

keywords

Problem Group

Community
75Solvers

Replace May with April

Created by Sunu

Tags

matlab

Problem Group

Community
74Solvers

Create a square matrix of multiples

Created by Bruce Raine

Tags

square matrix, muliples, easy

Problem Group

Community
74Solvers

Back to basics 25 - Valid variable names

Created by Alan Chalker

Tags

variable names

Problem Group

Community
74Solvers

Back to basics 5 - Clipboard

Created by Alan Chalker

Tags

basic matlab

Problem Group

Community
74Solvers

Count photos

Created by Amitava Biswas

Tags

combinatorics

Problem Group

Community
72Solvers

No Twins?

Created by Julio

Tags

vector

Problem Group

Community
72Solvers

Project Euler: Problem 2, Sum of even Fibonacci

Created by Doug Hull

Tags

projecteuler

Problem Group

Community
71Solvers

Angle between two vectors

Created by Aurelien Queffurust

Tags

angle

Problem Group

Community