Cody

Problems

51 – 100 of 4,433
Problem Title
Likes
Solvers
Difficulty

Problem 43325. Count given word x in text.

Created by: Andriy Kavetsky

Tags find, poor_problem_statement

1

40

Problem 43326. Solve expression I

Created by: Andriy Kavetsky

Tags easy, poor_test_suite, review

3

67

Problem 43329. Solve expression II

Created by: Andriy Kavetsky

Tags equation, poor_test_suite, review

3

59

Problem 43330. Solve expression III

Created by: Andriy Kavetsky

Tags easy, spam, review

3

61

Problem 43481. Modified Upper Matrix Mock

Created by: Jamil Kasan

Tags matrix manipulation, matrix

1

39

Problem 43490. Set x value to each odd index of vector y.

Created by: Andriy Kavetsky

Tags vector, poor_problem_statement

2

59

Problem 43491. Delete x value in given vector y.

Created by: Andriy Kavetsky

Tags vector

1

67

Problem 43492. Create a square matrix with given conditions

Created by: Andriy Kavetsky

Tags matrix

3

65

Problem 43494. Weighted Convolution

Created by: Peng Liu

Tags weighted, convolution, better way to do this?

4

16

Problem 43546. Slope of the line passing through two points

Created by: Stalin Samuel

Tags basic matlab

0

57

Problem 43551. I told you not separate me, but you did :( - ACDC

Created by: Jamil Kasan

Tags math, vector, electronics

2

45

Problem 43552. Calculate solution of given polynomial

Created by: Jang geun Choi

Tags easy, matlab, simple

2

62

Problem 43553. Linear Least Squares (L2 fitting problem )

Created by: Luca Fenzi

Tags optimization, fitting, linear least squares

1

13

Problem 43558. Finding two missing number in 1 to n array

Created by: NMTri

Tags matrix manipulation, vector, basic matlab

0

49

Problem 43563. Calculate cosine without cos(x)

Created by: Marco Tullio

Tags trigonometry

1

61

Problem 43565. Remove all the columns contains only zero

Created by: Stalin Samuel

Tags matrix, basic matlab, single test case

2

48

Problem 43567. i forgot to use capital I

Created by: Bert

Tags string, simple, poor_test_suite

0

45

Problem 43568. Bubble sort

Created by: Bert

Tags easy, sort, bubble sort

0

22

Problem 43570. Determinate if day D is a date that occurs during Daylight Saving Time in Italy

Created by: Marco Tullio

Tags dst, utc

0

20

Problem 43571. How many hours are there in a day in Italy?

Created by: Marco Tullio

Tags fun

1

23

Problem 43582. Explode string

Created by: Jakub Rysanek

Tags regexp

0

28

Problem 43590. Solve t^(a*x^2+b*x+c)=s

Created by: Andriy Kavetsky

Tags log, equations

2

48

Problem 43603. Convert array of decimal numbers into hexadecimal numbers array.

Created by: Andriy Kavetsky

Tags basics, array, hex

2

45

Problem 43604. make histogram

Created by: Bert

Tags histogram, hist

0

12

Problem 43605. struct2values()

Created by: Jakub Rysanek

Tags struct

0

24

Problem 43609. Sort rows of a matrix

Created by: Jakub Rysanek

Tags sorting

1

71

Problem 43612. time of day

Created by: Marc Jakobi

Tags time, string, unit

1

12

Problem 43616. Opposite task convert string hexadecimal numbers array into array of decimal numbers .

Created by: Andriy Kavetsky

Tags decimal, basics, hexadecimal

1

39

Problem 43617. Calculate the values of a polynomial.

Created by: Andriy Kavetsky

Tags polynomial, basics, polyval

1

51

Problem 43621. Get derivarive of polynomial given as vector array.

Created by: Andriy Kavetsky

Tags polynomial, derivative, basics

1

55

Problem 43625. Calculate roots of polynomial given as vector array.

Created by: Andriy Kavetsky

Tags polynomial, root, basics

1

60

Problem 43626. Find scalar product of two polynomials a and b, given as vector array.

Created by: Andriy Kavetsky

Tags polynomial, scalar product

0

52

Problem 43627. Find Euclidean norm of given vector u.

Created by: Andriy Kavetsky

Tags vector, norm, basics

0

51

Problem 43633. Calculate the sum of elements of n*n Hilbert matrix.

Created by: Andriy Kavetsky

Tags matrix

0

49

Problem 43634. Find product of eigenvalues of n*n magic matrix.

Created by: Andriy Kavetsky

Tags matrix manipulation, poor_test_suite

0

53

Problem 43653. Flipping a Matrix

Created by: JINWOO LEE

Tags matrix

1

73

Problem 43654. Replicate and Tile an Array

Created by: JINWOO LEE

Tags matrix

1

51

Problem 43655. Where is the number that you want to find?

Created by: Iik Jae Park

Tags indexing

0

63

Problem 43662. Use R2016b Text Manipulations to Fix These Addresses (Part 3)

Created by: Dave Bergstein

Tags string, feature, text

1

75

Problem 43668. Use a timetable to analyze a train timetable (Part 5)

Created by: Heather Gorr

Tags feature, r2016b, timetable

1

39

Problem 43682. Pairwise column flip

Created by: Alexander

Tags indexing, matrix manipulation, vectorization

2

32

Problem 43685. Apply Function to Each Field of a Structure Array: Part 1

Created by: Peng Liu

Tags structure, array, structfun

1

10

Problem 43687. Change on Spiral Matrix

Created by: SANGWOO CHANG

Tags poor_test_suite, flip type function will be useful, review

1

46

Problem 43688. Increment up an input vector

Created by: SeWoong Lee

Tags vectors

1

66

Problem 43689. Make an identity matrix whose diagonal elements are 1:n

Created by: Iik Jae Park

Tags test, basics

0

66

Problem 43691. determine if

Created by: Iik Jae Park

Tags test, basics

1

66

Problem 43694. find the 'M'

Created by: Iik Jae Park

Tags test

1

48

Problem 43701. wipe out!

Created by: Iik Jae Park

Tags easy, basic matlab

2

67

Problem 43706. Sum the rows

Created by: Iik Jae Park

Tags easy, basics

1

102

Problem 43737. Alternative Dimensions

Created by: JD

Tags basics, transformation, review

2

16
51 – 100 of 4,433