Cui Xiaopeng

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1 – 37 of 37

Problem 115. Distance walked 1D

Created by: AMITAVA BISWAS

Tags walk, basic matlab

6

Solutions

10

Size

6

Solutions

10

Size

Problem 1809. 05 - Vector Equations 1

Created by: Samuel Thrysøe

Tags sttbdp1, poor_test_suite

2

Solutions

10

Size

2

Solutions

10

Size

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

3

Solutions

11

Size

3

Solutions

11

Size

Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

Tags matlab 101, handling vectors, basics

2

Solutions

10

Size

2

Solutions

10

Size

Problem 157. The Hitchhiker's Guide to MATLAB

Created by: the cyclist

Tags "douglas adams", douglas adams, fun

2

Solutions

10

Size

2

Solutions

10

Size

Problem 105. How to find the position of an element in a vector without using the find function

Created by: Chelsea

Tags indexing, find

4

Solutions

12

Size

4

Solutions

12

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

1

Solution

11

Size

1

Solution

11

Size

Problem 30. Sort a list of complex numbers based on far they are from the origin.

Created by: Cody Team

Tags sorting, basic matlab

1

Solution

11

Size

1

Solution

11

Size

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_test_suite

3

Solutions

12

Size

3

Solutions

12

Size

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

8

Solutions

16

Size

8

Solutions

16

Size

Problem 9. Who Has the Most Change?

Created by: Cody Team

Tags indexing, stupid, notice the rignt sequence of money!

14

Solutions

22

Size

14

Solutions

22

Size

Problem 21. Return the 3n+1 sequence for n

Created by: Cody Team

Tags 3n+1, sample

3

Solutions

59

Size

3

Solutions

59

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

4

Solutions

38

Size

4

Solutions

38

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

2

Solutions

41

Size

2

Solutions

41

Size

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

7

Solutions

43

Size

7

Solutions

43

Size

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

4

Solutions

56

Size

4

Solutions

56

Size

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

2

Solutions

37

Size

2

Solutions

37

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

28

Size

2

Solutions

28

Size

Problem 14. Find the numeric mean of the prime numbers in a matrix.

Created by: Cody Team

Tags easy, matrices

9

Solutions

16

Size

9

Solutions

16

Size

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

5

Solutions

52

Size

5

Solutions

52

Size

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

6

Solutions

43

Size

6

Solutions

43

Size

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

3

Solutions

24

Size

3

Solutions

24

Size

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

4

Solutions

45

Size

4

Solutions

45

Size

Problem 167. Pizza!

Created by: the cyclist

Tags fun, pizza, good

1

Solution

18

Size

1

Solution

18

Size

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

5

Solutions

66

Size

5

Solutions

66

Size

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

1

Solution

46

Size

1

Solution

46

Size

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

5

Solutions

32

Size

5

Solutions

32

Size

Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN

Created by: Cody Team

Tags data cleaning, basic matlab

1

Solution

27

Size

1

Solution

27

Size

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

2

Solutions

14

Size

2

Solutions

14

Size

Problem 149. Is my wife right?

Created by: the cyclist

Tags easy, silly, fun

2

Solutions

8

Size

2

Solutions

8

Size

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

3

Solutions

11

Size

3

Solutions

11

Size

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

6

Solutions

15

Size

6

Solutions

15

Size

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

3

Solutions

11

Size

3

Solutions

11

Size

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

4

Solutions

11

Size

4

Solutions

11

Size

Problem 3. Find the sum of all the numbers of the input vector

Created by: Cody Team

Tags matlab 101, easy, vector

2

Solutions

10

Size

2

Solutions

10

Size

Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10]

Created by: Cody Team

Tags basic, test, basics

3

Solutions

8

Size

3

Solutions

8

Size

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

5

Solutions

10

Size

5

Solutions

10

Size

1 – 37 of 37