Matthew Eicholtz - MATLAB Cody - MATLAB Central

Matthew Eicholtz

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Problem 44387. Birthday cake

Created by: Matthew Eicholtz

Tags geometry, cody5:hard

104

Solvers

25

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104

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25

Size

Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

Tags prime numbers, cody5, safe prime

741

Solvers

10

Size

741

Solvers

10

Size

Problem 44384. Find the nearest prime number

Created by: Matthew Eicholtz

Tags prime numbers, cody5

640

Solvers

10

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640

Solvers

10

Size

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

Created by: Matthew Eicholtz

Tags strings, string manipulation, path

16

Solvers

13

Size

16

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13

Size

Problem 43021. How many figures currently exist?

Created by: Matthew Eicholtz

Tags graphics, root, figure

34

Solvers

12

Size

34

Solvers

12

Size

Problem 43020. Get factory-defined property values

Created by: Matthew Eicholtz

Tags get, factory-defined properties

26

Solvers

14

Size

26

Solvers

14

Size

Problem 42638. Number of active Cody players by date

Created by: Matthew Eicholtz

Tags cody, string manipulation, html

6

Solvers

37

Size

6

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37

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Problem 42635. Maximum of each diagonal

Created by: Matthew Eicholtz

Tags matrix manipulation, diagonal, max

63

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25

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63

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25

Size

Problem 42634. Minimum of each diagonal

Created by: Matthew Eicholtz

Tags matrix manipulation, diagonal, min

62

Solvers

25

Size

62

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25

Size

Problem 42633. Cumulative maximum of an array

Created by: Matthew Eicholtz

Tags matrix manipulation, cummax

36

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89

Size

36

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89

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Problem 42631. Cumulative minimum of an array

Created by: Matthew Eicholtz

Tags matrix manipulation, cummin

38

Solvers

53

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38

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53

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Problem 42618. Is this function available?

Created by: Matthew Eicholtz

Tags functions, error

16

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17

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16

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17

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Problem 42617. List of built-in demo images

Created by: Matthew Eicholtz

Tags images, cell array

11

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23

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11

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23

Size

Problem 42616. Detect circles in images

Created by: Matthew Eicholtz

Tags image processing, circle detection, hough transform

6

Solvers

167

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6

Solvers

167

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Problem 42614. Create a figure and plot data

Created by: Matthew Eicholtz

Tags matlab, plot

293

Solvers

10

Size

293

Solvers

10

Size

Problem 42613. Convert RGB triplet to ColorSpec string

Created by: Matthew Eicholtz

Tags vectors, strings, matlab

36

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23

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36

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23

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Problem 42612. Convert ColorSpec string to RGB triplet

Created by: Matthew Eicholtz

Tags vectors, strings, matlab

51

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15

Size

51

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15

Size

Problem 42593. Create cell array of numeric arrays

Created by: Matthew Eicholtz

Tags matlab, cell arrays, num2cell

43

Solvers

16

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43

Solvers

16

Size

Problem 42592. Create cell array of strings

Created by: Matthew Eicholtz

Tags strings, matlab, cell arrays

54

Solvers

10

Size

54

Solvers

10

Size

Problem 42370. The Python Challenge, Level 1: Decode strings

Created by: Matthew Eicholtz

Tags regexp, strings, string manipulation

29

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12

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29

Solvers

12

Size

Problem 2671. Check if vertices form a rectangle

Created by: Matthew Eicholtz

Tags geometry, rectangles

19

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23

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19

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23

Size

Problem 2670. Error handling

Created by: Matthew Eicholtz

Tags error handling

59

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10

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59

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10

Size

Problem 2669. Assign matrix rows/columns to separate variables

Created by: Matthew Eicholtz

Tags matrix manipulation, basic matlab, varargout

36

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14

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36

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14

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Problem 2668. Assign matrix elements to separate variables

Created by: Matthew Eicholtz

Tags matrix manipulation, basic matlab, varargout

41

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12

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41

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12

Size

Problem 2647. Find the maximal cliques in an undirected graph

Created by: Matthew Eicholtz

Tags graph theory, clique, maximal clique

5

Solvers

130

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5

Solvers

130

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Problem 2646. Determine the number of maximal cliques in an undirected graph

Created by: Matthew Eicholtz

Tags graph theory, clique, maximal clique

6

Solvers

139

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6

Solvers

139

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Problem 2625. Shorten pathname

Created by: Matthew Eicholtz

Tags strings, path, fullfile

72

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12

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72

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12

Size

Problem 2601. Concatenate string with cell array of strings

Created by: Matthew Eicholtz

Tags strings, cell arrays, concatenation

54

Solvers

14

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54

Solvers

14

Size

Problem 1972. Convert matrix to 3D array of triangular matrices

Created by: Matthew Eicholtz

Tags matlab, matrix manipulation, logical indexing

113

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35

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113

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35

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Problem 1853. Enlarge array

Created by: Matthew Eicholtz

Tags matrix manipulation

268

Solvers

14

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268

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14

Size

Problem 1852. Repeat middle rows and columns of an array

Created by: Matthew Eicholtz

Tags matrix manipulation, repmat, blockproc

34

Solvers

20

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34

Solvers

20

Size

Problem 1368. Create an 8-color version of an image

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation, image processing

59

Solvers

18

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59

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18

Size

Problem 1741. Numeric array to cell array of strings (easy)

Created by: Matthew Eicholtz

Tags indexing, strings, matrix manipulation

57

Solvers

11

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57

Solvers

11

Size

Problem 1704. Triangular matrices in 3D array

Created by: Matthew Eicholtz

Tags matlab, logical indexing, multidimensional arrays

133

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17

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133

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17

Size

Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

597

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10

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597

Solvers

10

Size

Problem 1698. Connect Four: find winning move

Created by: Matthew Eicholtz

Tags matlab, games

28

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63

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28

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63

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Problem 1690. Return elapsed time

Created by: Matthew Eicholtz

Tags time

21

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7

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21

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7

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Problem 1689. Determine which fields have been modified in a structure

Created by: Matthew Eicholtz

Tags structures;

21

Solvers

52

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21

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52

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Problem 848. Calculate a modified Levenshtein distance between two strings

Created by: Matthew Eicholtz

Tags strings, string metric

123

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11

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123

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11

Size

Problem 846. Calculate the Hamming distance between two strings

Created by: Matthew Eicholtz

Tags strings, string metric

325

Solvers

12

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325

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12

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Problem 840. SET (the card game)

Created by: Matthew Eicholtz

Tags matrix manipulation, games

50

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34

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50

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34

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Problem 831. Find mistyped words in text (mixed-up letters)

Created by: Matthew Eicholtz

Tags regexp, strings, cell arrays

169

Solvers

19

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169

Solvers

19

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Problem 823. Find similar/related functions

Created by: Matthew Eicholtz

Tags regexp, cell arrays, string manipulation

3

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40

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3

Solvers

40

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Problem 821. Pentago: find winning move

Created by: Matthew Eicholtz

Tags matrix manipulation, strategy, games

32

Solvers

18

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32

Solvers

18

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Problem 818. Change a specific color in an image

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation, image processing

73

Solvers

31

Size

73

Solvers

31

Size

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