Dirk Engel

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1 – 50 of 227

Problem 2668. Assign matrix elements to separate variables

Created by: Matthew Eicholtz

Tags matrix manipulation, varargout, basic matlab

3

Solutions

29

Size

3

Solutions

29

Size

Problem 924. intersection of matrices

Created by: Richard

Tags matrix, poor_problem_statement

2

Solutions

20

Size

2

Solutions

20

Size

Problem 856. Getting the indices from a matrice

Created by: Jean-Marie Sainthillier

Tags logical indexing

1

Solution

23

Size

1

Solution

23

Size

Problem 830. Fill a zeros matrix

Created by: Aurelien Queffurust

Tags logical operations

4

Solutions

36

Size

4

Solutions

36

Size

Problem 963. We love vectorized solutions. Problem 1 : remove the row average.

Created by: William Smith

Tags vectorized, subtraction, speed

1

Solution

18

Size

1

Solution

18

Size

Problem 690. Remove the two elements next to NaN value

Created by: Aurelien Queffurust

Tags nan, meshgrid, binary operation

2

Solutions

29

Size

2

Solutions

29

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

19

Size

3

Solutions

19

Size

Problem 676. Reindex a vector

Created by: James

Tags indices, handling vectors

2

Solutions

19

Size

2

Solutions

19

Size

Problem 307. First non-zero element in each column

Created by: Julio

Tags matrix, poor_test_suite

1

Solution

27

Size

1

Solution

27

Size

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

Created by: @bmtran (Bryant Tran)

Tags math

1

Solution

18

Size

1

Solution

18

Size

Problem 367. Specific Element Count

Created by: @bmtran (Bryant Tran)

Tags occurrences, equality, counting

1

Solution

21

Size

1

Solution

21

Size

Problem 589. Matrix indexing with two vectors of indices

Created by: Nicholas Howe

Tags basic, matlab 101, indexing

3

Solutions

24

Size

3

Solutions

24

Size

Problem 532. Return unique values without sorting

Created by: Aurelien Queffurust

Tags unique, sorted

1

Solution

13

Size

1

Solution

13

Size

Problem 640. Getting logical indexes

Created by: Doug Hull

Tags ml101, logical indexing, indexing

1

Solution

13

Size

1

Solution

13

Size

Problem 151. Magic!

Created by: the cyclist

Tags magic

5

Solutions

37

Size

5

Solutions

37

Size

Problem 1046. Add two numbers

Created by: Sourav Mondal

Tags add, math, basic matlab

1

Solution

12

Size

1

Solution

12

Size

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

Created by: Binbin Qi

Tags ones, zeros, for

2

Solutions

26

Size

2

Solutions

26

Size

Problem 867. Replicate elements in vectors

Created by: Jean-Marie Sainthillier

Tags vectors, indexing, basic matlab

1

Solution

20

Size

1

Solution

20

Size

Problem 126. Filter AC, pass DC

Created by: AMITAVA BISWAS

Tags acdc, basic matlab

3

Solutions

16

Size

3

Solutions

16

Size

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

Created by: Bruce Raine

Tags 3d, basic matlab

1

Solution

12

Size

1

Solution

12

Size

Problem 605. Whether the input is vector?

Created by: Sangeeta

Tags vector, basic matlab, basics

1

Solution

10

Size

1

Solution

10

Size

Problem 623. Rotate a Matrix

Created by: Yudong Zhang

Tags function, rotation, basic matlab

1

Solution

12

Size

1

Solution

12

Size

Problem 325. 2 b | ~ 2 b

Created by: Alan Chalker

Tags strings, basic matlab

2

Solutions

15

Size

2

Solutions

15

Size

Problem 576. Return elements unique to either input

Created by: James

Tags differences, vectors, numeric inputs

2

Solutions

18

Size

2

Solutions

18

Size

Problem 107. Count from 0 to N^M in base N.

Created by: Chris

Tags counting, odd bases

2

Solutions

21

Size

2

Solutions

21

Size

Problem 716. Arrange vector in ascending order

Created by: Ismail shaikh

Tags arrange vector in ascending order, basic matlab, basics

1

Solution

11

Size

1

Solution

11

Size

Problem 568. Number of 1s in a binary string

Created by: Srivardhini

Tags sum, binary

1

Solution

12

Size

1

Solution

12

Size

Problem 719. Rotate a Matrix by 90 degrees

Created by: Reza Ahmadzadeh

Tags matrix, basic matlab, basics

1

Solution

10

Size

1

Solution

10

Size

Problem 914. Number of Horns on a unicorn!

Created by: Patrick Schuster

Tags unicorn, fun, spam

3

Solutions

11

Size

3

Solutions

11

Size

Problem 619. Multiply a column by a row

Created by: AMITAVA BISWAS

Tags matrix; multiply, basic matlab

1

Solution

11

Size

1

Solution

11

Size

Problem 142. give nth decimal place of pi

Created by: AMITAVA BISWAS

Tags pi

1

Solution

14

Size

1

Solution

14

Size

Problem 224. pressure to dB?

Created by: AMITAVA BISWAS

Tags decibel, basic matlab

1

Solution

12

Size

1

Solution

12

Size

Problem 358. Who knows the last digit of pi?

Created by: Bart

Tags cody meets chuck norris, spam, spa

1

Solution

8

Size

1

Solution

8

Size

Problem 642. Convert a vector into a number

Created by: Doug Hull

Tags ml101

3

Solutions

17

Size

3

Solutions

17

Size

Problem 625. Determine Whether an array is empty

Created by: Yudong Zhang

Tags determine, empty, matrix

2

Solutions

8

Size

2

Solutions

8

Size

Problem 160. So many choices

Created by: the cyclist

Tags choose, basic matlab, basics

1

Solution

12

Size

1

Solution

12

Size

Problem 627. Compute a dot product of two vectors x and y

Created by: Evgeny

Tags linear algebra, basic matlab, basics

1

Solution

12

Size

1

Solution

12

Size

Problem 1658. Simple equation: Annual salary

Created by: matlab.zyante.com

Tags easy, salary, zyante

1

Solution

10

Size

1

Solution

10

Size

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

Created by: Doug Hull

Tags projecteuler, basic matlab, poor_problem_statement

1

Solution

12

Size

1

Solution

12

Size

Problem 155. All your base are belong to us

Created by: the cyclist

Tags logarithm base, basic matlab

1

Solution

15

Size

1

Solution

15

Size

Problem 624. Get the length of a given vector

Created by: Yudong Zhang

Tags vector, length, basicic matlab

1

Solution

10

Size

1

Solution

10

Size

Problem 535. Rotate and display numbered tile

Created by: Ned Gulley

Tags contest, strings

3

Solutions

38

Size

3

Solutions

38

Size

Problem 487. Find perfect placement of non-rotating dominoes (easier)

Created by: Doug Hull

Tags contest

2

Solutions

56

Size

2

Solutions

56

Size

Problem 556. Stuff the Board

Created by: Ned Gulley

Tags contest, poor_test_suite

1

Solution

31

Size

1

Solution

31

Size

Problem 470. Scoring for oriented dominoes

Created by: Doug Hull

Tags contest

1

Solution

41

Size

1

Solution

41

Size

Problem 240. Project Euler: Problem 6, Natural numbers, squares and sums.

Created by: Doug Hull

Tags projecteuler

3

Solutions

23

Size

3

Solutions

23

Size

Problem 125. Remove DC

Created by: AMITAVA BISWAS

Tags acdc, poor_test_suite

1

Solution

12

Size

1

Solution

12

Size

Problem 138. Number of 1s in the Binary Representation of a Number

Created by: @bmtran (Bryant Tran)

Tags binary, base, count

2

Solutions

20

Size

2

Solutions

20

Size

Problem 645. Getting the indices from a vector

Created by: Doug Hull

Tags ml101, indexing, basic matlab

1

Solution

13

Size

1

Solution

13

Size

Problem 838. Check if number exists in vector

Created by: Nichlas

Tags vectors, basic matlab

1

Solution

12

Size

1

Solution

12

Size

1 – 50 of 227