Cody

Problems

1 – 50 of 5,046
Problem Title
Likes
Solvers
Difficulty

Problem 40912. Rotate counterclockwise a matrix 90 deg with left-bottom element

Created by: Derik Zhou

Tags rotate

2

152

Problem 1752. Get me! v4 (Cody hacking challenge)

Created by: Frequency Domain

Tags hack, get me!

2

17

Problem 1763. Primes for Large N: 2^30, System Memory Limit

Created by: Richard Zapor

Tags primes, logical, memory management

1

20

Problem 1866. Usage of mkdir and copyfile

Created by: Richard Zapor

Tags mkdir, copyfile, pwd

1

19

Problem 1875. GJam: 2013 China Event: Cannon Angle

Created by: Richard Zapor

Tags physics, gjam, roots

2

20

Problem 1995. Loading/Expanding a ZIP file from File Exchange

Created by: Richard Zapor

Tags urlwrite, unzip

1

13

Problem 2029. Convert vector datasets to plot with imagesc instead of scatter

Created by: Ted

Tags scatter, grid, imagesc

2

4

Problem 2043. Six Steps to PCA - Step 1: Centre and Standardize

Created by: Neil Caithness

Tags principal component analysis, pca, z-scores

3

17

Problem 2083. Independent direction vectors of a plane

Created by: Marcel

Tags basic, easy, high school math

0

15

Problem 2166. Concatenate a successive power matrix in a column matrix

Created by: Florian

Tags matrix, power, concatenate

1

59

Problem 221. Boolean algebra

Created by: Tomasz

Tags boolean algebra, nand, truth table

3

8

Problem 225. Subdivide the Segment

Created by: Roger Stafford

Tags subdivide, combining lengths

2

9

Problem 1170. Count the Number of Undirected Cycles in a Graph

Created by: Joseph Kirk

Tags graph theory, cycles, undirected graphs

9

16

Problem 1307. RPN Calculator for simple arithmetic expressions

Created by: Muthu Annamalai

Tags rpn stack polish-notation expression evaluation

0

8

Problem 1339. Travelling Salesman Problem (TSP)

Created by: Alex P.

Tags games, travelling salesman

1

28

Problem 2390. Fair Scoring for Cody

Created by: Nicholas Howe

Tags cody, mtree, scoring

1

7

Problem 255. Spiraling out of control....

Created by: Matt Fig

Tags math, spiral

1

10

Problem 2779. Rule of mixtures (composites) - weighted bound

Created by: goc3

Tags matrix, materials, composites

1

50

Problem 2805. Radiation Heat Transfer — View Factors (1)

Created by: goc3

Tags radiation, heat transfer, view factor

4

104

Problem 2901. How to get the additive inverse of a uint8.

Created by: Gregory

Tags uint8

0

89

Problem 2907. Collaborative Fun : Nomination

Created by: rifat

Tags self-referential, self reference, collaboration

3

9

Problem 2954. Best Problem Elections

Created by: Jan Orwat

Tags cody, best problem elections

6

45

Problem 3006. Test Driven Solution - Probability Problem 2

Created by: Jonathan

Tags probability, test driven

1

12

Problem 3065. Cycling — Critical Power

Created by: goc3

Tags data, power, cycling

1

37

Problem 3082. Scrabble Scores - 10

Created by: goc3

Tags game, board, word

1

22

Problem 42617. List of built-in demo images

Created by: Matthew Eicholtz

Tags images

2

10

Problem 42778. GJam March 2016 IOW: Polynesiaglot Medium

Created by: Richard Zapor

Tags contest, gjam, probability tree

2

7

Problem 43025. Check if a directory is on the current MATLAB search path

Created by: Matthew Eicholtz

Tags strings, string manipulation, path

0

13

Problem 44708. Sherlock Holmes: The Spy Problem

Created by: J. S. Kowontan

Tags spy, decrease-by-one

0

11

Problem 44715. 007: Chinese Barrack Invasion

Created by: J. S. Kowontan

Tags china, invasion, security

1

15

Problem 43737. Alternative Dimensions

Created by: JD

Tags basics, transformation, review

2

26

Problem 46627. Output the Montgomery Form of the Input Matrix

Created by: David Hill

Tags montgomery

2

17

Problem 44074. GJam 2017 Kickstart: Parentheses (Small)

Created by: Richard Zapor

Tags parentheses, gjam, kickstart

1

16

Problem 44075. GJam 2017 Kickstart: Parentheses (Large)

Created by: Richard Zapor

Tags parentheses, gjam, kickstart

2

15

Problem 44894. Orientation of a 3D coordinate frame

Created by: Peter Corke

Tags so(3), rotation matrix

2

8

Problem 45196. Determine whether a given point is inside or outside a polygon

Created by: William

Tags linear algebra, polygon, intersection

4

27

Problem 952. Unique: Enhanced Performance - Avoiding Memory Crash

Created by: Richard Zapor

Tags speed, unique, memory management

0

11

Problem 965. False position (linear interpolation) method of finding a root.

Created by: Robert Canfield

Tags aoe2074, root finding

1

18

Problem 973. Partial pivoting for Gauss Elimination

Created by: Robert Canfield

Tags linear algebra, aoe2074

2

9

Problem 974. Forward Elimination for Gauss Elimination

Created by: Robert Canfield

Tags linear algebra, aoe2074

1

24

Problem 978. Backward Substitution

Created by: Ed Hall

Tags back substitution

2

32

Problem 52839. Easy Sequences 33: Web Trapped Ant

Created by: Ramon Villamangca

Tags easy, geometry, topology

2

10

Problem 52854. Poly2mask, drawpolygon or patch

Created by: warnerchang

Tags polygon

0

11

Problem 54204. Find Current in R circuit.

Created by: Suraj Kumar

Tags electrical, r circuit

1

41

Problem 54545. String Logic 8

Created by: Athi

Tags logic, string

0

40

Problem 54555. String Logic 10

Created by: Athi

Tags logic, string

0

34

Problem 54565. String Logic 12

Created by: Athi

Tags logic, string

0

37

Problem 54570. String Logic 13

Created by: Athi

Tags logic, string

0

33

Problem 54595. String Logic 18

Created by: Athi

Tags logic, string

0

39

Problem 55170. Find all prime factors of the input

Created by: Pisces

Tags primes

0

44
1 – 50 of 5,046