# Problems

1 – 50 of 58
 Problem Title Likes Solvers Difficulty

#### Problem 2305. Reverse Concatenation

Created by: Ujjwal

1

73

#### Problem 44740. New Matrix with vector addition on diagonal

Created by: Suraj Gurav

0

40

#### Problem 1368. Create an 8-color version of an image

Created by: Matthew Eicholtz

1

46

#### Problem 42776. "Power matrix" of two vectors

Created by: Gil Bor

2

61

#### Problem 43296. Refresh your system of equations

Created by: Jamil Kasan

4

47

#### Problem 42480. Go back n times

Created by: Mehmet OZC

0

41

#### Problem 1958. Add a row of zeros on top of a matrix

Created by: J-G van der Toorn

3

231

#### Problem 45488. Height of a 3D Pyramid

Created by: Fazlul Haque

0

41

#### Problem 47879. Create co-occurrence matrix

Created by: Mehmet OZC

3

11

#### Problem 54685. Matrix Transposition

Created by: Dyuman Joshi

0

8

#### Problem 45173. Create the flag of Ramumbia

Created by: Kiran Ramsaroop

3

13

#### Problem 42630. Make visible max values

Created by: Mehmet OZC

1

40

#### Problem 2317. Distance of the centroids of the balls

Created by: Marco Castelli

0

45

1

24

#### Problem 42590. Divide elements by sum of elements

Created by: Mehmet OZC

2

113

#### Problem 943. "mirror" matrix

Created by: Grzegorz Knor

6

504

#### Problem 876. Sum the entries of each column of a matrix which satisfy a logical condition.

Created by: Ken Deeley

3

149

#### Problem 44739. Return all matrix elements except elements on diagonal

Created by: Suraj Gurav

1

44

4

65

#### Problem 794. Matrix with different incremental runs

Created by: Aurelien Queffurust

4

328

#### Problem 2668. Assign matrix elements to separate variables

Created by: Matthew Eicholtz

2

40

#### Problem 45271. Calculate triangle area

Created by: Jean Baptiste Joseph

1

12

#### Problem 42763. Fill the Matrix - 2

Created by: Mehmet OZC

1

48

#### Problem 818. Change a specific color in an image

Created by: Matthew Eicholtz

3

66

#### Problem 46716. Matrix with increasing numbers (★★★★)

Created by: Anirban Pal

1

31

#### Problem 2592. LocateMembership | Membership of Matrix in another matrix

Created by: Vishal

3

20

#### Problem 1852. Repeat middle rows and columns of an array

Created by: Matthew Eicholtz

3

32

#### Problem 1961. Finding neighbors of [-1:1] in a matrix....

Created by: Chris E.

2

68

#### Problem 780. Give a matrix that matches itself when rotated

Created by: Ned Gulley

2

12

#### Problem 42761. Fill the matrix - 1

Created by: Mehmet OZC

3

53

#### Problem 44950. Calculate Inner Product

Created by: Pooja Lalan

36

4974

#### Problem 45815. Fill a zeros matrix (★★★★★)

Created by: Anirban Pal

1

32

#### Problem 840. SET (the card game)

Created by: Matthew Eicholtz

3

50

#### Problem 42634. Minimum of each diagonal

Created by: Matthew Eicholtz

2

53

#### Problem 44945. Calculate BMI

Created by: Pooja Lalan

55

6320

#### Problem 42635. Maximum of each diagonal

Created by: Matthew Eicholtz

3

57

#### Problem 42856. Block average

Created by: Peng Liu

3

37

#### Problem 796. Removing rows from a matrix is easy - but what about inserting rows?

Created by: Dirk Engel

2

157

#### Problem 44960. Rescale Scores

Created by: Pooja Lalan

36

4337

#### Problem 44958. Crop an Image

Created by: Pooja Lalan

91

4998

#### Problem 1841. Rotate Matrix Both Direction (45 Degree)

Created by: Ashish

2

30

#### Problem 2442. Magnet and Iron

Created by: rifat

6

90

#### Problem 1972. Convert matrix to 3D array of triangular matrices

Created by: Matthew Eicholtz

3

88

#### Problem 54730. Local Extrema

Created by: Dyuman Joshi

0

4

#### Problem 45404. ZigZag - 04

Created by: Asif Newaz

1

11

#### Problem 2406. possible ways through matrix

Created by: rifat

0

29

#### Problem 2585. How to reverse spdiags?

Created by: Jean-Marie Sainthillier

2

33

#### Problem 1842. rot45 : a different aproach

Created by: Paul Berglund

2

14

#### Problem 801. Construct an index vector from two input vectors in vectorized fashion

Created by: Christopher

9

341

#### Problem 56443. Cluster Partition

Created by: Dyuman Joshi

0

5

1 – 50 of 58