Joshua Fletcher

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1 – 50 of 284

Problem 2442. Magnet and Iron

Created by: rifat

Tags matrix manipulation

1

Solution

136

Size

1

Solution

136

Size

Problem 42320. Write a function man that takes a row vector v and returns a matrix H as follows..

Created by: Manish Joshi

Tags easy, square, matrix

3

Solutions

31

Size

3

Solutions

31

Size

Problem 42501. Toeplitize a matrix

Created by: Peng Liu

Tags toeplitz matrix, hankel matrix

4

Solutions

162

Size

4

Solutions

162

Size

Problem 1321. Given a matrix, swap the 2nd & 3rd columns

Created by: Harish Maradana

Tags swap

1

Solution

30

Size

1

Solution

30

Size

Problem 1167. matrix zigzag

Created by: trekker

Tags matrix conversion, compression.

1

Solution

111

Size

1

Solution

111

Size

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

Created by: Chris E.

Tags consuctive 0's, counting 0

1

Solution

74

Size

1

Solution

74

Size

Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

Tags indexing, power, vector power

1

Solution

20

Size

1

Solution

20

Size

Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

1

Solution

63

Size

1

Solution

63

Size

Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

Tags sequences, pattern match, pattern finding

4

Solutions

101

Size

4

Solutions

101

Size

Problem 1940. Decimation - Optimized for speed

Created by: James

Tags speed optimization, carnage maximus, efficiency

4

Solutions

125

Size

4

Solutions

125

Size

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

Created by: Daniel Pereira

Tags indexing, matrix, sparse

1

Solution

35

Size

1

Solution

35

Size

Problem 1927. Find nth maximum

Created by: Awadhesh Srivastava

Tags number theory, n th max

3

Solutions

39

Size

3

Solutions

39

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

71

Size

1

Solution

71

Size

Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

55

Size

1

Solution

55

Size

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

Created by: Aurelien Queffurust

Tags vectorization

1

Solution

35

Size

1

Solution

35

Size

Problem 972. Set a diagonal

Created by: Nicholas Howe

Tags indexing, diagonals

3

Solutions

64

Size

3

Solutions

64

Size

Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

1

Solution

51

Size

1

Solution

51

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 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

2

Solutions

60

Size

2

Solutions

60

Size

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

2

Solutions

40

Size

2

Solutions

40

Size

Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

5

Solutions

92

Size

5

Solutions

92

Size

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

Created by: Jeremy

Tags matlab, vector, matrix

1

Solution

15

Size

1

Solution

15

Size

Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

14

Size

1

Solution

14

Size

Problem 1273. Max index of 3D array

Created by: Youssef Khmou

Tags maximum

1

Solution

71

Size

1

Solution

71

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

48

Size

1

Solution

48

Size

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

Created by: goc3

Tags series, triangle, projecteuler

1

Solution

67

Size

1

Solution

67

Size

Problem 42936. Project Euler: Problem 11, Largest product in a grid

Created by: Riam Su

Tags projecteuler

1

Solution

168

Size

1

Solution

168

Size

Problem 2337. Sum of big primes without primes

Created by: Jean-Marie Sainthillier

Tags primes, project euler, eratosthenes

1

Solution

26

Size

1

Solution

26

Size

Problem 42935. Sums of cubes and squares of sums

Created by: John D'Errico

Tags integers, projecteuler, numbers

7

Solutions

29

Size

7

Solutions

29

Size

Problem 250. Project Euler: Problem 10, Sum of Primes

Created by: Doug Hull

Tags projecteuler, basic matlab

2

Solutions

26

Size

2

Solutions

26

Size

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

1

Solution

55

Size

1

Solution

55

Size

Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

Tags primes, projecteuler

2

Solutions

33

Size

2

Solutions

33

Size

Problem 2433. Consecutive Equation Times (of the day)

Created by: goc3

Tags time, multiply, add

4

Solutions

289

Size

4

Solutions

289

Size

Problem 2432. Equation Times (of the day)

Created by: goc3

Tags time, plus, multiply

2

Solutions

341

Size

2

Solutions

341

Size

Problem 2627. Convert to Binary Coded Decimal

Created by: Pritesh Shah

Tags encoding, numbers

2

Solutions

50

Size

2

Solutions

50

Size

Problem 2735. Binary Neighbourhood

Created by: Jan Orwat

Tags number theory, pop series

1

Solution

224

Size

1

Solution

224

Size

Problem 2848. Digital Neighbourhood

Created by: Jan Orwat

Tags number theory, pop series

1

Solution

192

Size

1

Solution

192

Size

Problem 3077. Big numbers, least significant digits

Created by: Michael C.

Tags precision, powers

1

Solution

44

Size

1

Solution

44

Size

Problem 42317. De-primed

Created by: goc3

Tags prime

2

Solutions

42

Size

2

Solutions

42

Size

Problem 42318. Evened up (or not)

Created by: goc3

Tags even, odd

1

Solution

30

Size

1

Solution

30

Size

Problem 42323. With apologies to William Blake

Created by: James

Tags tyger tyger, symmetry

4

Solutions

204

Size

4

Solutions

204

Size

Problem 2600. Find out the Gray Code for a Given Binary Number

Created by: Pritesh Shah

Tags numbers

1

Solution

36

Size

1

Solution

36

Size

Problem 2431. Power Times (of the day)

Created by: goc3

Tags time, power, hour

1

Solution

90

Size

1

Solution

90

Size

Problem 2270. Bit calculation

Created by: Debopam

Tags binary, count, number

1

Solution

12

Size

1

Solution

12

Size

Problem 3079. Big numbers, repeated least significant digits

Created by: Michael C.

Tags overflow

1

Solution

60

Size

1

Solution

60

Size

Problem 2193. Mysterious digits operation (easy)

Created by: Jean-Marie Sainthillier

Tags digits, easy manipulation

1

Solution

22

Size

1

Solution

22

Size

Problem 2455. Diagonal of a Spiral Matrix

Created by: rifat

Tags spiral, diag

3

Solutions

130

Size

3

Solutions

130

Size

Problem 2813. Create a block diagonal matrix

Created by: Mattias

Tags matlab, matrix, block matrix

1

Solution

73

Size

1

Solution

73

Size

Problem 8073. Matrix Construction I

Created by: Abdullah Caliskan

Tags matrix, basic matlab

1

Solution

48

Size

1

Solution

48

Size

Problem 2336. Calendar Matrix

Created by: Ned Gulley

Tags date, calendar

1

Solution

168

Size

1

Solution

168

Size

1 – 50 of 284