Markus Raith - MATLAB Cody - MATLAB Central

Markus Raith

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Problem 1227. Generate a random matrix A of (1,-1)

Created by: Alex P.

Tags random, matrix, +-1

1

Solution

41

Size

1

Solution

41

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Problem 1567. Make a vector of prime numbers

Created by: Marek Kuklis

Tags matlab

1

Solution

42

Size

1

Solution

42

Size

Problem 981. Find nearest prime number less than input number

Created by: Reza Ahmadzadeh

Tags math, prime numbers

2

Solutions

50

Size

2

Solutions

50

Size

Problem 597. The Birthday Phenomenon

Created by: Ben Ausdenmoore

Tags probability, stats

5

Solutions

71

Size

5

Solutions

71

Size

Problem 1082. Lychrel Number Test (Inspired by Project Euler Problem 55)

Created by: @bmtran (Bryant Tran)

Tags projecteuler, plus15

1

Solution

71

Size

1

Solution

71

Size

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

1

Solution

51

Size

1

Solution

51

Size

Problem 54770. Count the peaceful queens

Created by: ChrisR

Tags chess, sequence, oblong

1

Solution

18

Size

1

Solution

18

Size

Problem 801. Construct an index vector from two input vectors in vectorized fashion

Created by: Christopher

Tags matrix manipulation, vectorization, poor_test_suite

1

Solution

32

Size

1

Solution

32

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Problem 875. Return a list sorted by number of consecutive occurrences

Created by: Jean-Marie Sainthillier

Tags vectors, indexing

2

Solutions

150

Size

2

Solutions

150

Size

Problem 565. Transposition as a CIPHER

Created by: Sourav Mondal

Tags strings, string, combining different lengths

2

Solutions

125

Size

2

Solutions

125

Size

Problem 895. Generate N equally spaced intervals between -L and L

Created by: @bmtran (Bryant Tran)

Tags math, wrong_test_suite

2

Solutions

18

Size

2

Solutions

18

Size

Problem 924. intersection of matrices

Created by: Richard

Tags matrix, poor_problem_statement

1

Solution

34

Size

1

Solution

34

Size

Problem 963. We love vectorized solutions. Problem 1 : remove the row average.

Created by: William Smith

Tags speed, vectorized, subtraction

1

Solution

15

Size

1

Solution

15

Size

Problem 532. Return unique values without sorting

Created by: Aurelien Queffurust

Tags unique, sorted

1

Solution

13

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1

Solution

13

Size

Problem 856. Getting the indices from a matrix

Created by: Jean-Marie Sainthillier

Tags logical indexing

1

Solution

35

Size

1

Solution

35

Size

Problem 307. First non-zero element in each column

Created by: Julio

Tags matrix, poor_test_suite

1

Solution

45

Size

1

Solution

45

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Problem 970. Piecewise linear interpolation

Created by: James

Tags interpolation, piecewise

2

Solutions

116

Size

2

Solutions

116

Size

Problem 1080. Guess Cipher

Created by: Khaled Hamed

Tags string, cipher

1

Solution

51

Size

1

Solution

51

Size

Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

3

Solutions

149

Size

3

Solutions

149

Size

Problem 1826. Find vampire numbers

Created by: Andrew Newell

Tags factors, number theory

7

Solutions

149

Size

7

Solutions

149

Size

Problem 43269. Get all prime factors

Created by: Jamil Kasan

Tags primes, factorization

1

Solution

14

Size

1

Solution

14

Size

Problem 148. Factorize THIS, buddy

Created by: the cyclist

Tags easy prime, basic matlab

1

Solution

16

Size

1

Solution

16

Size

Problem 1066. Multiples of a Number in a Given Range

Created by: @bmtran (Bryant Tran)

Tags factor, plus15, colon

1

Solution

26

Size

1

Solution

26

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Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

2

Solutions

59

Size

2

Solutions

59

Size

Problem 191. Proper Factors

Created by: @bmtran (Bryant Tran)

Tags proper factors

1

Solution

40

Size

1

Solution

40

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Problem 45229. Bell Triangle

Created by: Asif Newaz

Tags number, matrix, Magic Numbers

1

Solution

73

Size

1

Solution

73

Size

Problem 1940. Decimation - Optimized for speed

Created by: James

Tags speed optimization, carnage maximus, efficiency

2

Solutions

120

Size

2

Solutions

120

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Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

2

Solutions

36

Size

2

Solutions

36

Size

Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

3

Solutions

81

Size

3

Solutions

81

Size

Problem 972. Set a diagonal

Created by: Nicholas Howe

Tags indexing, diagonals

2

Solutions

85

Size

2

Solutions

85

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Problem 1401. Implement a bubble sort technique and output the number of swaps required

Created by: Robert Weinberg

Tags sort, bubble sort, bubblesort

1

Solution

78

Size

1

Solution

78

Size

Problem 1229. Determine the number of odd integers in a vector

Created by: Jeremy

Tags matlab, vector, matrix

2

Solutions

24

Size

2

Solutions

24

Size

Problem 1012. Determine if input is a perfect number

Created by: Binbin Qi

Tags mod sum, perfect

1

Solution

52

Size

1

Solution

52

Size

Problem 1407. Is it an Armstrong number?

Created by: Harish Maradana

Tags armstrong no

1

Solution

44

Size

1

Solution

44

Size

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

54

Size

1

Solution

54

Size

Problem 1273. Max index of 3D array

Created by: Youssef Khmou

Tags maximum

1

Solution

55

Size

1

Solution

55

Size

Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

Tags sequences, pattern match, pattern finding

2

Solutions

141

Size

2

Solutions

141

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Problem 1927. Find nth maximum

Created by: Awadhesh Srivastava

Tags number theory, n th max

1

Solution

35

Size

1

Solution

35

Size

Problem 1038. Change the sign of even index entries of the reversed vector

Created by: Selvaraaju Murugesan

Tags vectors, qmf

1

Solution

33

Size

1

Solution

33

Size

Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

54

Size

1

Solution

54

Size

Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

1

Solution

40

Size

1

Solution

40

Size

Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

1

Solution

55

Size

1

Solution

55

Size

Problem 273. Recurring Cycle Length (Inspired by Project Euler Problem 26)

Created by: @bmtran (Bryant Tran)

Tags project euler, digits, decimals

4

Solutions

68

Size

4

Solutions

68

Size

Problem 1162. Happy 2013...

Created by: James

Tags new year, different digits, 2013

1

Solution

45

Size

1

Solution

45

Size

Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

Tags indexing, power, vector power

1

Solution

17

Size

1

Solution

17

Size

Problem 888. Create a vector whose elements depend on the previous element

Created by: Aurelien Queffurust

Tags vectorization

2

Solutions

31

Size

2

Solutions

31

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Problem 1678. Count consecutive 0's in between values of 1

Created by: Chris E.

Tags consuctive 0's, counting 0

3

Solutions

64

Size

3

Solutions

64

Size

Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

Created by: Shahid Ali Murtza

Tags sign changes

1

Solution

40

Size

1

Solution

40

Size

Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

21

Size

1

Solution

21

Size

Problem 1430. Create an n-by-n null matrix and fill with ones certain positions

Created by: Daniel Pereira

Tags indexing, matrix, sparse

2

Solutions

40

Size

2

Solutions

40

Size

1 – 50 of 319