Cody

Problems

1 – 50 of 4,444
Problem Title
Likes
Solvers
Difficulty

Problem 243. Four quadrant inverse tangent function.

Created by: Adolfo Foriero

Tags inverse function, four quadrants, atan

1

47

Problem 338. Specific toolboxes

Created by: Alan Chalker

Tags toolboxes

1

102

Problem 341. count to vector

Created by: Chris

Tags vectors, counting

0

79

Problem 342. Toolbox check part 3

Created by: Alan Chalker

Tags toolbox

2

42

Problem 2443. Clear functions with the same name in different packages independently

Created by: Óscar

Tags persistent

2

9

Problem 2447. Musical Note Interval 1 - Diatonic Scale

Created by: goc3

Tags music, note, interval

1

19

Problem 2448. Back to the future

Created by: Óscar

Tags reflection

2

14

Problem 2449. Back to the future II

Created by: Óscar

Tags reflection

0

10

Problem 2450. Back to the Future III

Created by: Óscar

Tags reflection

1

10

Problem 1723. Square wave average calculation

Created by: Ashutosh datar

Tags average, rms, peak

1

99

Problem 2457. Find 100 from a Matrix and Replace With 0 with less computation time

Created by: Deepesh B

Tags find and replace with minimum time

1

87

Problem 1729. Can you beat the lottery again (for hardcore coder) ?

Created by: Jean-Marie Sainthillier

Tags random, lottery

5

11

Problem 368. Find S-parameters of the circuit

Created by: Nikolai

Tags ee, electrical engineering, electrical circuits

1

28

Problem 1731. Text File Read: 64 bit data set

Created by: Richard Zapor

Tags cell array, fopen, char

1

11

Problem 1734. Tiling a matrix

Created by: Ashutosh datar

Tags matrix, basic matlab, repmat

1

134

Problem 373. commutative?

Created by: AMITAVA BISWAS

Tags function

1

99

Problem 1741. Numeric array to cell array of strings (easy)

Created by: Matthew Eicholtz

Tags indexing, strings, matrix manipulation

1

45

Problem 378. Inhomogenous Depth Scale Interpolation

Created by: @bmtran (Bryant Tran)

Tags interpolation, data manipulation, arrays

0

6

Problem 1743. What? Paradox?

Created by: Frequency Domain

Tags hack, paradox

1

13

Problem 1745. Get me!

Created by: Frequency Domain

Tags hack

1

20

Problem 2470. self description 2.0

Created by: rifat

Tags hack

0

13

Problem 2476. Max Change in Consecutive Elements

Created by: Chandan singh

Tags vectors change

2

97

Problem 175. Double Deal

Created by: @bmtran (Bryant Tran)

Tags matlab, deal, arguments

1

79

Problem 1752. Get me! v4 (Cody hacking challenge)

Created by: Frequency Domain

Tags hack, get me!

1

17

Problem 1753. Calculate FFT

Created by: Frequency Domain

Tags fft

2

14

Problem 1761. Primes Faster for Large N

Created by: Richard Zapor

Tags primes, find, logical

1

23

Problem 1113. Create array of all Distances between two Sets of Points

Created by: Richard Zapor

Tags abs, hypot, complex

1

16

Problem 1763. Primes for Large N: 2^30, System Memory Limit

Created by: Richard Zapor

Tags primes, logical, memory management

1

15

Problem 400. Person of interest?

Created by: AMITAVA BISWAS

Tags detective

0

62

Problem 1768. normalize group of numbers to integers

Created by: qqtcgp1

Tags normalize to integer

0

49

Problem 1769. singularity 2.0 (easier)

Created by: Alfonso Nieto-Castanon

Tags hack

3

16

Problem 403. Einsteinium-253 decay

Created by: Bruce Raine

Tags radioactive decay, half-life, isotope

1

96

Problem 405. Back to basics 15 - classes

Created by: Alan Chalker

Tags basic matlab, classes, basics

1

454

Problem 1117. Create array of all Distances between two Sets of Points : No Neural Network Toolbox

Created by: Richard Zapor

Tags abs, complex, ndgrid

1

17

Problem 2485. Initialize a varible with an integer value from a another variable which is assigned with a character value.

Created by: Peter Babu

Tags workspace, variable initialization

0

11

Problem 40912. Rotate counterclockwise a matrix 90 deg with left-bottom element

Created by: Derik Zhou

Tags rotate

1

59

Problem 179. Monte-Carlo integration

Created by: Tomasz

Tags monte-carlo integration, rand

3

33

Problem 1120. Visualization of experimental data across a surface

Created by: Carl

Tags matrix, data

1

27

Problem 418. Blood test?

Created by: AMITAVA BISWAS

Tags medical

1

40

Problem 2491. Dudeney Numbers: Numbers which are the cube of their decimal sum

Created by: Peter Cook

Tags cube, a061209, dudeney

1

49

Problem 420. Sum the Infinite Series II

Created by: Roger Stafford

Tags infinite series

1

14

Problem 2492. Factorions: Numbers that equal the sum of the factorials of their digits

Created by: Peter Cook

Tags factorial, factorion

2

50

Problem 1124. String permutations on phone keyboard

Created by: Mehmet OZC

Tags phone, string permutations

1

19

Problem 42085. Sum of digits of powers of 2

Created by: Mayuri Patil

Tags sum, digit

0

49

Problem 1127. Decrypt a secret message!

Created by: Mehmet OZC

Tags phone keybord, encrypt, decrypt

4

19

Problem 1128. Simple return on investment

Created by: Mehmet OZC

Tags finance, return

2

82

Problem 2497. Distance between two GPS Coordinates

Created by: Peter Cook

Tags latitude, longitude, gps

1

25

Problem 1812. Tridiagonal

Created by: Disha

Tags matrices

1

102

Problem 1132. Create a recurrence matrix for a vector of data

Created by: Alex Feinman

Tags sequences

2

16

Problem 42273. Form Blocks in a 1D array

Created by: Rushikesh Tade

Tags blocks

1

22
1 – 50 of 4,444