Are Mjaavatten - MATLAB Cody - MATLAB Central

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Problem 2908. Approximation of Pi

Created by: goc3

Tags pi, infinite series, approximation

1

Solution

33

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1

Solution

33

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Problem 1273. Max index of 3D array

Created by: Youssef Khmou

Tags maximum

1

Solution

36

Size

1

Solution

36

Size

Problem 1229. Determine the number of odd integers in a vector

Created by: Jeremy

Tags matlab, vector, matrix

1

Solution

17

Size

1

Solution

17

Size

Problem 1203. Reference Index Number

Created by: Nicholas Howe

Tags indexing

1

Solution

16

Size

1

Solution

16

Size

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

27

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1

Solution

27

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

Created by: Selvaraaju Murugesan

Tags vectors, qmf

1

Solution

31

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1

Solution

31

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

Created by: Binbin Qi

Tags zeros, for, ones

1

Solution

29

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1

Solution

29

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Problem 972. Set a diagonal

Created by: Nicholas Howe

Tags indexing, diagonals

1

Solution

46

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1

Solution

46

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

Created by: Aurelien Queffurust

Tags vectorization

1

Solution

23

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1

Solution

23

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Problem 1366. Finding peaks

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

28

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1

Solution

28

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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

64

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1

Solution

64

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Problem 1940. Decimation - Optimized for speed

Created by: James

Tags speed optimization, carnage maximus, efficiency

1

Solution

131

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1

Solution

131

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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

35

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1

Solution

35

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Problem 645. Getting the indices from a vector

Created by: Doug Hull

Tags indexing, basic matlab, ml101

1

Solution

15

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1

Solution

15

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Problem 980. Unique values without using UNIQUE function

Created by: Aurelien Queffurust

Tags unique, stable

2

Solutions

37

Size

2

Solutions

37

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Problem 1927. Find nth maximum

Created by: Awadhesh Srivastava

Tags number theory, n th max

1

Solution

27

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1

Solution

27

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Problem 1786. Create an index-powered vector

Created by: Swapnali Gujar

Tags indexing, power, vector power

1

Solution

17

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1

Solution

17

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Problem 1699. Find last zero for each column

Created by: Matthew Eicholtz

Tags indexing, matrix manipulation

1

Solution

38

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1

Solution

38

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Problem 1632. Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

Created by: Shahid Ali Murtza

Tags sign changes

1

Solution

18

Size

1

Solution

18

Size

Problem 1779. Oh Zero Zero Zero!!!

Created by: Chris E.

Tags sequences, pattern match, pattern finding

1

Solution

50

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1

Solution

50

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Problem 512. Spot the rectangle

Created by: Ned Gulley

Tags matrices, 17x17

2

Solutions

39

Size

2

Solutions

39

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Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

Tags pythagoras, basic matlab, hypotenuse

1

Solution

14

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1

Solution

14

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Problem 2016. Area of an equilateral triangle

Created by: Tanya Morton

Tags pythagoras, basic matlab

1

Solution

14

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1

Solution

14

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Problem 2020. Area of an Isoceles Triangle

Created by: Tanya Morton

Tags pythagoras, basic matlab

1

Solution

25

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1

Solution

25

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Problem 2575. Sum of series I

Created by: Grzegorz Knor

Tags series, sum, vvvd

1

Solution

12

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1

Solution

12

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Problem 1974. Length of a short side

Created by: Tanya Morton

Tags pythagoras, basic matlab

1

Solution

19

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1

Solution

19

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Problem 58473. Finding valleys

Created by: Marcos

Tags extrema, islocalmin

1

Solution

39

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1

Solution

39

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Problem 57660. Knight Moves?

Created by: Md. Ikrama Hossain

Tags matrix manipulation, chess

1

Solution

45

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1

Solution

45

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Problem 57790. Zero finder

Created by: Md. Ikrama Hossain

Tags function, varargin, nargin

1

Solution

74

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1

Solution

74

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Problem 57834. Sequence Vectorization - I

Created by: Dyuman Joshi

Tags vectors, vectorization, MATLAB Answers

1

Solution

28

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1

Solution

28

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Problem 58003. Given a string s, find the length of the longest substring without repeating characters.

Created by: Chetan Bhavsar

Tags easy, matlab, string

1

Solution

63

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1

Solution

63

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Problem 58379. Determine whether a number is prome

Created by: ChrisR

Tags number theory, sequence, dudley

1

Solution

42

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1

Solution

42

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Problem 58409. Calculate the volume of the intersection of two balls

Created by: Christian Schröder

Tags geometry

1

Solution

99

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1

Solution

99

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Problem 58324. Compute the critical depth of a channel

Created by: ChrisR

Tags hydrology, c e 372, hydraulics

1

Solution

196

Size

1

Solution

196

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Problem 58314. Compute the normal depth of a channel

Created by: ChrisR

Tags geometry, hydrology, c e 372

2

Solutions

192

Size

2

Solutions

192

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Problem 57969. Compute flow in a partially full pipe

Created by: ChrisR

Tags trigonometry, c e 372, hydraulics

2

Solutions

51

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2

Solutions

51

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Problem 92. Find state names that start with the letter N

Created by: Cody Team

Tags regexp, states

1

Solution

14

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1

Solution

14

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Problem 57550. Compute the area of the shoemaker’s knife

Created by: ChrisR

Tags geometry, arbelos

1

Solution

26

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1

Solution

26

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Problem 57635. Compute the average precipitation for a watershed using the Thiessen polygon method

Created by: ChrisR

Tags hydrology, c e 372, griddata

3

Solutions

101

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3

Solutions

101

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Problem 1321. Given a matrix, swap the 2nd & 3rd columns

Created by: Harish Maradana

Tags swap

1

Solution

21

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1

Solution

21

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Problem 1167. matrix zigzag

Created by: trekker

Tags matrix conversion, compression.

1

Solution

57

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1

Solution

57

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Problem 1298. P-smooth numbers

Created by: Richard Zapor

Tags primes, find, mod

1

Solution

34

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1

Solution

34

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Problem 1281. Fermat's Last Theorem - Fermat's conjecture

Created by: Marco Castelli

Tags matlab, find, sum

1

Solution

39

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1

Solution

39

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Problem 1162. Happy 2013...

Created by: James

Tags new year, different digits, 2013

1

Solution

31

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1

Solution

31

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Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

1

Solution

33

Size

1

Solution

33

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Problem 170. First N Perfect Squares

Created by: @bmtran (Bryant Tran)

Tags math, perfect squares, integers

1

Solution

15

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1

Solution

15

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Problem 56598. List numbers that are not in the Fibonacci sequence

Created by: ChrisR

Tags sequence, restoring balance, binot?

2

Solutions

70

Size

2

Solutions

70

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Problem 2493. Must be in the front row...

Created by: James

Tags matrix manipulation, shifting

1

Solution

51

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1

Solution

51

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Problem 44350. Breaking Out of the Matrix

Created by: James

Tags cody5, whoa, windowing

1

Solution

70

Size

1

Solution

70

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Problem 42323. With apologies to William Blake

Created by: James

Tags tyger tyger, symmetry

1

Solution

110

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1

Solution

110

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