Christian Schröder - MATLAB Cody - MATLAB Central

Christian Schröder

5

5

Rank

91

91

Badges

51723

51723

Score

View Community Profile

51 – 100 of 4,259

Problem 42509. Divisible by n, Truncated-number Divisors

Created by: goc3

Tags prime, string, precision

1

Solution

91

Size

1

Solution

91

Size

Problem 42508. Divisible by n, prime divisors from 20 to 200

Created by: goc3

Tags prime, string, precision

1

Solution

455

Size

1

Solution

455

Size

Problem 42455. Divisible by n, prime divisors - 11, 13, 17, & 19

Created by: goc3

Tags prime, string, precision

1

Solution

300

Size

1

Solution

300

Size

Problem 60766. EZ

Created by: Ethan

Tags ez

1

Solution

8

Size

1

Solution

8

Size

Problem 60767. EZZ

Created by: Ethan

Tags ezz

1

Solution

8

Size

1

Solution

8

Size

Problem 60769. EZ4

Created by: Ethan

Tags ez4

1

Solution

8

Size

1

Solution

8

Size

Problem 60770. EZ5

Created by: Ethan

Tags ez5

1

Solution

8

Size

1

Solution

8

Size

Problem 60771. EZ6

Created by: Ethan

Tags ez6

1

Solution

8

Size

1

Solution

8

Size

Problem 60765. Identify points inside a Reuleaux triangle

Created by: ChrisR

Tags geometry

1

Solution

62

Size

1

Solution

62

Size

Problem 60764. Determine whether a number is a Ludic prime

Created by: ChrisR

Tags primes, sequence, sieve

1

Solution

80

Size

1

Solution

80

Size

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

Created by: Ned Gulley

Tags encoding, number system, ternary

1

Solution

96

Size

1

Solution

96

Size

Problem 60760. Find the closest canyon prime

Created by: ChrisR

Tags primes, sequence, anniversary

1

Solution

128

Size

1

Solution

128

Size

Problem 60759. Sum along each diagonal of a matrix

Created by: Matt J

Tags sum, diagonal

2

Solutions

12

Size

2

Solutions

12

Size

Problem 60758. List composite numbers that do not contain their prime factors as substrings

Created by: ChrisR

Tags primes, strings, sequence

1

Solution

94

Size

1

Solution

94

Size

Problem 60757. Build a block Toeplitz matrix

Created by: Matt J

Tags block topelitz

1

Solution

49

Size

1

Solution

49

Size

Problem 60756. Condition number of Kronecker product

Created by: Matt J

Tags kron, cond

1

Solution

15

Size

1

Solution

15

Size

Problem 60755. TingTing

Created by: cuong

Tags $$$

1

Solution

10

Size

1

Solution

10

Size

Problem 60661. The Prime Days of Christmas

Created by: Christian Schröder

Tags easy, primes, christmas

1

Solution

20

Size

1

Solution

20

Size

Problem 60754. Extract diagonal of sparse quadratic form

Created by: Matt J

Tags sparse, quadratic form

1

Solution

13

Size

1

Solution

13

Size

Problem 60753. 2x2 binning of a large sparse matrix

Created by: Matt J

Tags sparse, binning

1

Solution

42

Size

1

Solution

42

Size

Problem 44249. Pipeline - Variable-length Input

Created by: LY Cao

Tags overloading, pipeline

24

Solutions

45

Size

24

Solutions

45

Size

Problem 60752. area of a square

Created by: Lauren

Tags math

1

Solution

10

Size

1

Solution

10

Size

Problem 60751. List the partitions of an integer

Created by: ChrisR

Tags number theory

1

Solution

148

Size

1

Solution

148

Size

Problem 60750. Area of a rectangle

Created by: Nathan

Tags easy, area

1

Solution

13

Size

1

Solution

13

Size

Problem 60748. Extend the digamma function to negative arguments

Created by: ChrisR

Tags reflection, special functions

1

Solution

683

Size

1

Solution

683

Size

Problem 60747. Describe n from right to left

Created by: ChrisR

Tags string, sequence

1

Solution

88

Size

1

Solution

88

Size

Problem 60746. List Ormiston prime pairs

Created by: ChrisR

Tags primes, mod, sequence

1

Solution

87

Size

1

Solution

87

Size

Problem 60745. Find out if the given number is a square of natural number.

Created by: Shreyas

Tags square, natural numbers

2

Solutions

8

Size

2

Solutions

8

Size

Problem 45890. Algorithmic Trading - 4 (two thresholds)

Created by: jmac

Tags finance, trading, discrete optimization

2

Solutions

59

Size

2

Solutions

59

Size

Problem 45884. Algorithmic Trading - 3 (short selling and leverage)

Created by: jmac

Tags finance, trading, discrete optimization

1

Solution

50

Size

1

Solution

50

Size

Problem 45860. Algorithmic Trading - 2 (optimize Calmar Ratio)

Created by: jmac

Tags finance, trading, discrete optimization

1

Solution

45

Size

1

Solution

45

Size

Problem 45776. Algorithmic Trading - 1 (optimize simple trading strategy)

Created by: jmac

Tags finance, trading, discrete optimization

6

Solutions

14

Size

6

Solutions

14

Size

Problem 60744. Moyenne pondérée

Created by: Yannis Cuypers

Tags #2ee104

2

Solutions

13

Size

2

Solutions

13

Size

Problem 60739. Explore the twin prime Goldbach conjecture

Created by: ChrisR

Tags primes, numberphile

1

Solution

84

Size

1

Solution

84

Size

Problem 821. Pentago: find winning move

Created by: Matthew Eicholtz

Tags matrix manipulation, strategy, games

1

Solution

280

Size

1

Solution

280

Size

Problem 60736. Conditional transpose II

Created by: Christian Schröder

Tags vector, transpose, restricted

1

Solution

27

Size

1

Solution

27

Size

Problem 60735. Delete some elements in the natural set and find the sum of the first n terms

Created by: 可峰

Tags sum

1

Solution

8

Size

1

Solution

8

Size

Problem 60734. Conditional transpose

Created by: Christian Schröder

Tags vector, transpose, restricted

2

Solutions

27

Size

2

Solutions

27

Size

Problem 56443. Cluster Partition

Created by: Dyuman Joshi

Tags matrix manipulation, cell arrays, MATLAB Answers

5

Solutions

111

Size

5

Solutions

111

Size

Problem 60733. Find the closest geyser prime

Created by: ChrisR

Tags primes, sequence, anniversary

1

Solution

105

Size

1

Solution

105

Size

Problem 60732. Wheatstone bridge

Created by: Sahil Islam

Tags circuit, equilibrium, wheatstone bridge

1

Solution

17

Size

1

Solution

17

Size

Problem 60729. Organic Chemistry

Created by: Sahil Islam

Tags alkanes, organic chemistry, alkane names

3

Solutions

14

Size

3

Solutions

14

Size

Problem 60727. Remove the diagonal of a square matrix

Created by: ChrisR

Tags matrix manipulation, diagonal

2

Solutions

35

Size

2

Solutions

35

Size

Problem 60704. Convert RGB to Grayscale

Created by: Leandro

Tags vectors, easy, indexing

3

Solutions

15

Size

3

Solutions

15

Size

Problem 60699. Palindrome Checker

Created by: Leandro

Tags easy, strings

1

Solution

12

Size

1

Solution

12

Size

Problem 60694. Reverse a string

Created by: Leandro

Tags easy, strings

1

Solution

10

Size

1

Solution

10

Size

Problem 60689. Sum All Positive Elements

Created by: Leandro

Tags vectors, easy

1

Solution

14

Size

1

Solution

14

Size

Problem 60686. Diagonal Product of A Square Matrix

Created by: Leandro

Tags easy, matrices

1

Solution

12

Size

1

Solution

12

Size

Problem 2431. Power Times (of the day)

Created by: goc3

Tags time, power, hour

1

Solution

80

Size

1

Solution

80

Size

Problem 60516. Compute the totient summatory function

Created by: ChrisR

Tags number theory, sequence

1

Solution

56

Size

1

Solution

56

Size

51 – 100 of 4,259