Alexander Ross

134

Rank

38

Badges

9452

Score

View Community Profile

1 – 50 of 710

Problem 1694. Now 20% off!

Created by: James

Tags string manipulation, furloughs

1

Solution

37

Size

1

Solution

37

Size

Problem 42802. Rolling maximums above a threshold

Created by: James

Tags matrix manipulation, better way to do this?, maximums

1

Solution

38

Size

1

Solution

38

Size

Problem 1933. That's some divisor you've got there...

Created by: James

Tags addition, divisors

1

Solution

47

Size

1

Solution

47

Size

Problem 1879. Converting numbers back from extended form

Created by: James

Tags place value, extended form, third grade math

4

Solutions

19

Size

4

Solutions

19

Size

Problem 1871. Numbers in extended form

Created by: James

Tags place value, extended form, third grade math

4

Solutions

98

Size

4

Solutions

98

Size

Problem 752. Is X a Fibonacci Matrix?

Created by: Sean de Wolski

Tags fibonacci, Tic...Toc...

2

Solutions

59

Size

2

Solutions

59

Size

Problem 2423. Integer Sequence - II : New Fibonacci

Created by: rifat

Tags fibonacci, integer sequence

1

Solution

61

Size

1

Solution

61

Size

Problem 594. "Look and say" sequence

Created by: Alex Feinman

Tags math, sequences, arrays

2

Solutions

65

Size

2

Solutions

65

Size

Problem 44156. Weighted average

Created by: Informaton

Tags vectors, weighted average, matrix multiplication

2

Solutions

23

Size

2

Solutions

23

Size

Problem 44732. Highly divisible triangular number (inspired by Project Euler 12)

Created by: goc3

Tags series, triangle, projecteuler

1

Solution

82

Size

1

Solution

82

Size

Problem 46600. Generate a list of composite numbers

Created by: ChrisR

Tags composite numbers

1

Solution

21

Size

1

Solution

21

Size

Problem 2640. Find similar sequences

Created by: Guillaume

Tags sequences

1

Solution

137

Size

1

Solution

137

Size

Problem 2672. Largest Geometric Series

Created by: rifat

Tags matrix manipulation, sequence, vectr

3

Solutions

103

Size

3

Solutions

103

Size

Problem 157. The Hitchhiker's Guide to MATLAB

Created by: the cyclist

Tags "douglas adams", douglas adams, fun

1

Solution

10

Size

1

Solution

10

Size

Problem 44322. Make one vector from two others

Created by: James

Tags better way to do this?

1

Solution

34

Size

1

Solution

34

Size

Problem 1308. Give me Hamming on five, hold the mayo

Created by: James

Tags hamming, surely_you_cant_be_serious

1

Solution

113

Size

1

Solution

113

Size

Problem 44157. Calculate the number of elements in a matrix.

Created by: huashou

Tags matrix, basics

1

Solution

10

Size

1

Solution

10

Size

Problem 44375. Missing five

Created by: Alfonso Nieto-Castanon

Tags cody5

1

Solution

50

Size

1

Solution

50

Size

Problem 46603. Higher! Lower! Correct!

Created by: Alex

Tags bisection search

1

Solution

58

Size

1

Solution

58

Size

Problem 42394. It's going down. We're finding simbers!

Created by: James

Tags projecteuler, you better move, you better dance

1

Solution

48

Size

1

Solution

48

Size

Problem 59876. Out-of-Place Elements Count

Created by: minnolina

Tags easy, sort

1

Solution

14

Size

1

Solution

14

Size

Problem 51620. Sort Except Zeros

Created by: minnolina

Tags basic

2

Solutions

33

Size

2

Solutions

33

Size

Problem 60201. Find the largest sum of any contiguous subarray

Created by: minnolina

Tags easy, kadane

1

Solution

42

Size

1

Solution

42

Size

Problem 2364. Convert a vector into numbers

Created by: RA

Tags cody, num2str

2

Solutions

11

Size

2

Solutions

11

Size

Problem 43057. Binary Inversion

Created by: Bert

Tags integers, bit manipulation, simple

1

Solution

22

Size

1

Solution

22

Size

Problem 2674. Generalised Hamming Number

Created by: Jean-Marie Sainthillier

Tags hamming

1

Solution

124

Size

1

Solution

124

Size

Problem 2133. Reverse Calculator

Created by: Vivek

Tags reverse order number

2

Solutions

88

Size

2

Solutions

88

Size

Problem 2040. Additive persistence

Created by: Jean-Marie Sainthillier

Tags recursion, persistence

1

Solution

36

Size

1

Solution

36

Size

Problem 1748. Ripping numbers apart!

Created by: Chris E.

Tags matrix manipulation, string manipulation

1

Solution

64

Size

1

Solution

64

Size

Problem 324. 7 segment LED display

Created by: Alan Chalker

Tags number representations

1

Solution

53

Size

1

Solution

53

Size

Problem 172. Test if a Number is a Palindrome without using any String Operations

Created by: @bmtran (Bryant Tran)

Tags palindrome, number, powers of 10

1

Solution

47

Size

1

Solution

47

Size

Problem 1466. Convert Two Character String into a Binary Vector

Created by: Richard Zapor

Tags string, vectorization, ==

1

Solution

12

Size

1

Solution

12

Size

Problem 1825. Find all vampire fangs

Created by: Andrew Newell

Tags factors, number theory

1

Solution

120

Size

1

Solution

120

Size

Problem 1826. Find vampire numbers

Created by: Andrew Newell

Tags factors, number theory

2

Solutions

128

Size

2

Solutions

128

Size

Problem 3073. Projector Matrix

Created by: goc3

Tags matrix, projector, idempotent

2

Solutions

21

Size

2

Solutions

21

Size

Problem 446. Solve the set of simultaneous linear equations

Created by: Bruce Raine

Tags simultaneous equations, linear

1

Solution

13

Size

1

Solution

13

Size

Problem 42988. Linear system of equations

Created by: Abhishek Jain

Tags equations

1

Solution

11

Size

1

Solution

11

Size

Problem 42384. Combined Ages 2 - Symmetric, n ≥ 3

Created by: goc3

Tags matrix, sum, linear

2

Solutions

45

Size

2

Solutions

45

Size

Problem 42382. Combined Ages 1 - Symmetric, n = 3

Created by: goc3

Tags matrix, sum, linear

1

Solution

50

Size

1

Solution

50

Size

Problem 423. System of equations

Created by: Tom

Tags system of equations

3

Solutions

28

Size

3

Solutions

28

Size

Problem 2801. geometric progression

Created by: Guillaume

Tags integers, geometric progression

1

Solution

123

Size

1

Solution

123

Size

Problem 2800. arithmetic progression

Created by: Guillaume

Tags integer, arithmetic progression

9

Solutions

111

Size

9

Solutions

111

Size

Problem 55260. Create block matrix of integers (j+k-1) - Part II

Created by: Matt Tearle

Tags matrix, blocks

1

Solution

90

Size

1

Solution

90

Size

Problem 56288. Angle Between Analog Clock Hands

Created by: Matt Tearle

Tags math, geometry

2

Solutions

70

Size

2

Solutions

70

Size

Problem 56195. Possible Rugby Scores

Created by: Matt Tearle

Tags math, rugby, linear combinations

1

Solution

74

Size

1

Solution

74

Size

Problem 56185. Extract the Acrostic Message

Created by: Ben Placek

Tags string, cipher, text

2

Solutions

26

Size

2

Solutions

26

Size

Problem 56190. Split Even Number Into Two Primes

Created by: Ben Placek

Tags math, primes

1

Solution

59

Size

1

Solution

59

Size

Problem 56175. Dartboard Average II

Created by: Matt Tearle

Tags math, mean, dartboard

1

Solution

57

Size

1

Solution

57

Size

Problem 55255. Create block matrix of integers (j+k-1) - Part I

Created by: Matt Tearle

Tags matrix, blocks

1

Solution

64

Size

1

Solution

64

Size

Problem 56180. Boustrophedon

Created by: Ben Placek

Tags matrix manipulation

1

Solution

47

Size

1

Solution

47

Size

1 – 50 of 710