Thomas Lichtenegger

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51 – 100 of 412

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

1

Solution

56

Size

1

Solution

56

Size

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

Created by: elias GR

Tags primes, factors

1

Solution

28

Size

1

Solution

28

Size

Problem 1012. Determine if input is a perfect number

Created by: Binbin Qi

Tags mod sum, perfect

1

Solution

25

Size

1

Solution

25

Size

Problem 170. First N Perfect Squares

Created by: @bmtran (Bryant Tran)

Tags math, perfect squares, integers

1

Solution

13

Size

1

Solution

13

Size

Problem 1273. Max index of 3D array

Created by: Youssef Khmou

Tags maximum

1

Solution

35

Size

1

Solution

35

Size

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

Created by: Jeremy

Tags matlab, vector, matrix

2

Solutions

17

Size

2

Solutions

17

Size

Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

2

Solutions

39

Size

2

Solutions

39

Size

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

33

Size

1

Solution

33

Size

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

Created by: Selvaraaju Murugesan

Tags vectors, qmf

1

Solution

23

Size

1

Solution

23

Size

Problem 972. Set a diagonal

Created by: Nicholas Howe

Tags indexing, diagonals

3

Solutions

31

Size

3

Solutions

31

Size

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

Created by: Aurelien Queffurust

Tags vectorization

2

Solutions

21

Size

2

Solutions

21

Size

Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

23

Size

1

Solution

23

Size

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

120

Size

1

Solution

120

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

30

Size

2

Solutions

30

Size

Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

1

Solution

29

Size

1

Solution

29

Size

Problem 1927. Find nth maximum

Created by: Awadhesh Srivastava

Tags number theory, n th max

1

Solution

27

Size

1

Solution

27

Size

Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

Tags indexing, power, vector power

1

Solution

15

Size

1

Solution

15

Size

Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

Tags sequences, pattern match, pattern finding

2

Solutions

49

Size

2

Solutions

49

Size

Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

1

Solution

33

Size

1

Solution

33

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

22

Size

1

Solution

22

Size

Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

Tags basic matlab

2

Solutions

13

Size

2

Solutions

13

Size

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

Created by: Chris E.

Tags consuctive 0's, counting 0

1

Solution

23

Size

1

Solution

23

Size

Problem 1940. Decimation - Optimized for speed

Created by: James

Tags speed optimization, carnage maximus, efficiency

2

Solutions

59

Size

2

Solutions

59

Size

Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

1

Solution

49

Size

1

Solution

49

Size

Problem 1008. Determine if input is a Narcissistic number

Created by: Binbin Qi

Tags mod floor

1

Solution

28

Size

1

Solution

28

Size

Problem 45223. find nth even fibonacci number

Created by: Asif Newaz

Tags series, number, fibonacci

2

Solutions

44

Size

2

Solutions

44

Size

Problem 621. Cryptomath: Addition

Created by: Doug Hull

Tags ml101

3

Solutions

150

Size

3

Solutions

150

Size

Problem 1873. Break it up! Break it up!

Created by: James

Tags partitions

2

Solutions

54

Size

2

Solutions

54

Size

Problem 44815. Word Distance - Sum

Created by: goc3

Tags distance, string, letter

1

Solution

29

Size

1

Solution

29

Size

Problem 8047. Weighted Gold/Silver Standard

Created by: goc3

Tags money, conversion, gold

1

Solution

73

Size

1

Solution

73

Size

Problem 8046. Gold/Silver Standard

Created by: goc3

Tags money, conversion, gold

1

Solution

59

Size

1

Solution

59

Size

Problem 8045. Gold Standard

Created by: goc3

Tags money, conversion, gold

1

Solution

270

Size

1

Solution

270

Size

Problem 3095. Return fibonacci sequence do not use loop and condition version 2

Created by: Binbin Qi

Tags filter, loop, fibonacci

1

Solution

35

Size

1

Solution

35

Size

Problem 3070. Pattern Recognition 3 - Variable Unit and Array Length (including cell arrays)

Created by: goc3

Tags array, pattern, recognition

2

Solutions

87

Size

2

Solutions

87

Size

Problem 3069. Pattern Recognition 2 - Known Unit Length, Various Array Length (including cell arrays)

Created by: goc3

Tags array, pattern, recognition

1

Solution

36

Size

1

Solution

36

Size

Problem 3068. Pattern Recognition 1 - Known Unit Length

Created by: goc3

Tags array, pattern, recognition

3

Solutions

34

Size

3

Solutions

34

Size

Problem 3012. Self-similarity 3 - Every other pair of terms

Created by: goc3

Tags integer, self, similar

2

Solutions

40

Size

2

Solutions

40

Size

Problem 3011. Self-similarity 2 - Every third term

Created by: goc3

Tags integer, sequence, self

1

Solution

27

Size

1

Solution

27

Size

Problem 3010. Self-similarity 1 - Every other term

Created by: goc3

Tags integer, sequence, self

2

Solutions

27

Size

2

Solutions

27

Size

Problem 3003. Mobius function

Created by: goc3

Tags prime, number, factor

2

Solutions

44

Size

2

Solutions

44

Size

Problem 3001. Sphenic number sequence

Created by: goc3

Tags prime, number, factor

1

Solution

88

Size

1

Solution

88

Size

Problem 3002. Not square-free number sequence

Created by: goc3

Tags square, number, integer

1

Solution

69

Size

1

Solution

69

Size

Problem 1288. Balanced Ternary Numbers: Easy as |, |-, |o

Created by: Ned Gulley

Tags encoding, number system, ternary

2

Solutions

45

Size

2

Solutions

45

Size

Problem 642. Convert a vector into a number

Created by: Doug Hull

Tags ml101

1

Solution

15

Size

1

Solution

15

Size

Problem 44630. Guess the number I'm thinking of (Part 1)

Created by: David Verrelli

Tags random, probability, game theory

7

Solutions

54

Size

7

Solutions

54

Size

Problem 1089. Create a random vector of integers with given sum

Created by: J-G van der Toorn

Tags vector, random, sum

2

Solutions

34

Size

2

Solutions

34

Size

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

Created by: Alex P.

Tags random, matrix, +-1

1

Solution

15

Size

1

Solution

15

Size

Problem 42503. Generating random matrix with given probability mass function

Created by: Peng Liu

Tags probability, monte carlo, random sampling

2

Solutions

55

Size

2

Solutions

55

Size

Problem 44277. Given n, create n random numbers such that their standard deviation is also n.

Created by: AMITAVA BISWAS

Tags linear algebra

1

Solution

19

Size

1

Solution

19

Size

Problem 1323. Alternating sum

Created by: Tim

Tags alternating sum

1

Solution

24

Size

1

Solution

24

Size

51 – 100 of 412