Cody

Problems

1 – 50 of 4,943
Problem Title
Likes
Solvers
Difficulty

Problem 850. Spectral Distance - Speed Scoring

Created by: Richard Zapor

Tags image processing, speed, spectral distance

2

9

Problem 861. Memory Map File: Access and Update

Created by: Richard Zapor

Tags memory map, memmapfile

1

16

Problem 51456. Compute an improper integral of a ratio of algebraic functions

Created by: ChrisR

Tags pi, integration, contour integral

1

12

Problem 925. Unique - Very Very Large Numbers

Created by: Richard Zapor

Tags unique, bug, profiler

2

43

Problem 952. Unique: Enhanced Performance - Avoiding Memory Crash

Created by: Richard Zapor

Tags speed, unique, memory management

0

10

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

8

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

29

Problem 52070. Compute the effective conductivity of a heterogeneous aquifer

Created by: ChrisR

Tags groundwater, darcy's law, conductivity

1

10

Problem 52308. ICFP2021 Hole-In-Wall: Calculate Score

Created by: Richard Zapor

Tags contest, icfp

0

3

Problem 54665. Find the slope of a line that passes through two vectors

Created by: Ashley Barnes

Tags vectors, slope, basic matlab

1

45

Problem 2390. Fair Scoring for Cody

Created by: Nicholas Howe

Tags cody, mtree, scoring

1

7

Problem 2409. Find the Connecting Path

Created by: Nishat Savat

Tags matrix manipulation, reversi

0

13

Problem 2447. Musical Note Interval 1 - Diatonic Scale

Created by: goc3

Tags music, note, interval

1

27

Problem 255. Spiraling out of control....

Created by: Matt Fig

Tags math, spiral

1

8

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

Created by: goc3

Tags matrix, materials, composites

1

39

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

Created by: goc3

Tags radiation, heat transfer, view factor

4

92

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

Created by: Gregory

Tags uint8

0

70

Problem 2907. Collaborative Fun : Nomination

Created by: rifat

Tags self-referential, self reference, collaboration

2

9

Problem 2954. Best Problem Elections

Created by: Jan Orwat

Tags cody, best problem elections

6

41

Problem 3004. Two functions (to be sure)

Created by: Jean-Marie Sainthillier

Tags deal, functions

4

17

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

30

Problem 3082. Scrabble Scores - 10

Created by: goc3

Tags game, board, word

1

22

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

Created by: Derik Zhou

Tags rotate

2

115

Problem 42617. List of built-in demo images

Created by: Matthew Eicholtz

Tags images

0

10

Problem 42778. GJam March 2016 IOW: Polynesiaglot Medium

Created by: Richard Zapor

Tags contest, gjam, probability tree

1

7

Problem 42937. Project Euler: Problem 14, Longest Collatz sequence

Created by: Riam Su

Tags projecteuler

2

18

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

Created by: Joseph Kirk

Tags graph theory, cycles, undirected graphs

5

15

Problem 1339. Travelling Salesman Problem (TSP)

Created by: Alex P.

Tags games, travelling salesman

0

22

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

19

Problem 1846. Free Fall analytical solution (Chapra 2012 textbook Example 1.1)

Created by: Robert Canfield

Tags aoe2074

1

22

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

18

Problem 1916. GJam 2013 Veterans: Hedge

Created by: Richard Zapor

Tags gjam, vector processing

1

21

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

Created by: Richard Zapor

Tags urlwrite, unzip

1

12

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

2

16

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

51

Problem 220. Signal filtering

Created by: Nikolai

Tags filtering, signal processing

1

13

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

Created by: Matthew Eicholtz

Tags strings, string manipulation, path

0

13

Problem 43612. time of day

Created by: Marc Jakobi

Tags time, string, unit

1

21

Problem 44715. 007: Chinese Barrack Invasion

Created by: J. S. Kowontan

Tags china, invasion, security

1

13

Problem 43737. Alternative Dimensions

Created by: JD

Tags basics, transformation, review

2

26
1 – 50 of 4,943