Kiyoto Matsumoto

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1 – 50 of 98

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

28

Size

1

Solution

28

Size

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

Created by: Selvaraaju Murugesan

Tags vectors, qmf

5

Solutions

31

Size

5

Solutions

31

Size

Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4

Created by: Binbin Qi

Tags zeros, for, ones

2

Solutions

30

Size

2

Solutions

30

Size

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

Created by: Aurelien Queffurust

Tags vectorization

1

Solution

30

Size

1

Solution

30

Size

Problem 972. Set a diagonal

Created by: Nicholas Howe

Tags indexing, diagonals

4

Solutions

33

Size

4

Solutions

33

Size

Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

22

Size

1

Solution

22

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

66

Size

1

Solution

66

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

31

Size

1

Solution

31

Size

Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

1

Solution

22

Size

1

Solution

22

Size

Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

Tags sequences, pattern match, pattern finding

1

Solution

73

Size

1

Solution

73

Size

Problem 1940. Decimation - Optimized for speed

Created by: James

Tags speed optimization, carnage maximus, efficiency

5

Solutions

89

Size

5

Solutions

89

Size

Problem 2337. Sum of big primes without primes

Created by: Jean-Marie Sainthillier

Tags primes, project euler, eratosthenes

2

Solutions

59

Size

2

Solutions

59

Size

Problem 42935. Sums of cubes and squares of sums

Created by: John D'Errico

Tags integers, projecteuler, numbers

1

Solution

21

Size

1

Solution

21

Size

Problem 1092. Decimation

Created by: James

Tags decimate, there can be only one, carnage maximus

2

Solutions

41

Size

2

Solutions

41

Size

Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

Tags indexing, power, vector power

3

Solutions

17

Size

3

Solutions

17

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

Created by: Chris E.

Tags consuctive 0's, counting 0

5

Solutions

24

Size

5

Solutions

24

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

2

Solutions

16

Size

2

Solutions

16

Size

Problem 1451. Symmetry of vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

13

Size

1

Solution

13

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

23

Size

1

Solution

23

Size

Problem 367. Specific Element Count

Created by: @bmtran (Bryant Tran)

Tags counting, sum, occurrences

3

Solutions

31

Size

3

Solutions

31

Size

Problem 528. Find the largest value in the 3D matrix

Created by: Bruce Raine

Tags basic matlab, 3d

1

Solution

13

Size

1

Solution

13

Size

Problem 555. "Low : High - Low : High - Turn around " -- Create a subindices vector

Created by: Freddy

Tags indexing, colon operator, basic matlab

1

Solution

23

Size

1

Solution

23

Size

Problem 576. Return elements unique to either input

Created by: James

Tags vectors, differences, numeric inputs

3

Solutions

27

Size

3

Solutions

27

Size

Problem 584. middleAsColumn: Return all but first and last element as a column vector

Created by: Nicholas Howe

Tags matlab 101, basics

3

Solutions

25

Size

3

Solutions

25

Size

Problem 589. Matrix indexing with two vectors of indices

Created by: Nicholas Howe

Tags basic, matlab 101, indexing

1

Solution

18

Size

1

Solution

18

Size

Problem 640. Getting logical indexes

Created by: Doug Hull

Tags indexing, logical indexing, ml101

1

Solution

13

Size

1

Solution

13

Size

Problem 652. Put two time series onto the same time basis

Created by: Ned Gulley

Tags interpolation, time series

1

Solution

85

Size

1

Solution

85

Size

Problem 676. Reindex a vector

Created by: James

Tags handling vectors, indices

1

Solution

29

Size

1

Solution

29

Size

Problem 795. Joining Ranges

Created by: Dirk Engel

Tags sorting, matrix manipulation, numeric inputs

3

Solutions

123

Size

3

Solutions

123

Size

Problem 824. Set the array elements whose value is 13 to 0

Created by: Aurelien Queffurust

Tags indexing, logical, logical indexing

1

Solution

14

Size

1

Solution

14

Size

Problem 830. Fill a zeros matrix

Created by: Aurelien Queffurust

Tags logical operations

1

Solution

44

Size

1

Solution

44

Size

Problem 838. Check if number exists in vector

Created by: Nichlas

Tags vectors, basic matlab

1

Solution

15

Size

1

Solution

15

Size

Problem 859. Get the elements of diagonal and antidiagonal for any m-by-n matrix

Created by: Aurelien Queffurust

Tags diagonal, diag, anti-diagonal

3

Solutions

37

Size

3

Solutions

37

Size

Problem 867. Replicate elements in vectors

Created by: Jean-Marie Sainthillier

Tags vectors, indexing, basic matlab

2

Solutions

22

Size

2

Solutions

22

Size

Problem 885. Create logical matrix with a specific row and column sums

Created by: Amro

Tags matrix, logical, sum

4

Solutions

34

Size

4

Solutions

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

Created by: @bmtran (Bryant Tran)

Tags math, wrong_test_suite

1

Solution

18

Size

1

Solution

18

Size

Problem 672. Longest run of consecutive numbers

Created by: James

Tags vectors, consecutive, repeating

1

Solution

46

Size

1

Solution

46

Size

Problem 856. Getting the indices from a matrix

Created by: Jean-Marie Sainthillier

Tags logical indexing

3

Solutions

23

Size

3

Solutions

23

Size

Problem 307. First non-zero element in each column

Created by: Julio

Tags matrix, poor_test_suite

1

Solution

29

Size

1

Solution

29

Size

Problem 532. Return unique values without sorting

Created by: Aurelien Queffurust

Tags unique, sorted

1

Solution

11

Size

1

Solution

11

Size

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

Created by: Jean-Marie Sainthillier

Tags vectors, indexing

1

Solution

55

Size

1

Solution

55

Size

Problem 924. intersection of matrices

Created by: Richard

Tags matrix, poor_problem_statement

2

Solutions

14

Size

2

Solutions

14

Size

Problem 970. Piecewise linear interpolation

Created by: James

Tags interpolation, piecewise

1

Solution

100

Size

1

Solution

100

Size

Problem 2019. Dimensions of a rectangle

Created by: Tanya Morton

Tags pythagoras, basic matlab

1

Solution

21

Size

1

Solution

21

Size

Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

Tags pythagoras, basic matlab, hypotenuse

1

Solution

14

Size

1

Solution

14

Size

Problem 2016. Area of an equilateral triangle

Created by: Tanya Morton

Tags pythagoras, basic matlab

1

Solution

18

Size

1

Solution

18

Size

Problem 2017. Side of an equilateral triangle

Created by: Tanya Morton

Tags pythagoras, basic matlab

1

Solution

18

Size

1

Solution

18

Size

Problem 2018. Side of a rhombus

Created by: Tanya Morton

Tags pythagoras, basic matlab

1

Solution

20

Size

1

Solution

20

Size

1 – 50 of 98