Cody

# Piotr Balik

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1 – 50 of 61

#### Problem 1227. Generate a random matrix A of (1,-1)

Created by: Alex P.

Tags random, matrix, +-1

#### Problem 232. Project Euler: Problem 2, Sum of even Fibonacci

Created by: Doug Hull

#### Problem 240. Project Euler: Problem 6, Natural numbers, squares and sums.

Created by: Doug Hull

#### Problem 262. Swap the input arguments

Created by: Steve Eddins

#### Problem 1087. Magic is simple (for beginners)

Created by: Jean-Marie Sainthillier

#### Problem 641. Make a random, non-repeating vector.

Created by: Doug Hull

#### Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

#### Problem 568. Number of 1s in a binary string

Created by: Srivardhini

Tags binary, sum

#### Problem 649. Return the first and last character of a string

Created by: @bmtran (Bryant Tran)

#### Problem 645. Getting the indices from a vector

Created by: Doug Hull

#### Problem 838. Check if number exists in vector

Created by: Nichlas

#### Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

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

Created by: Binbin Qi

Tags zeros, for, ones

#### Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

#### Problem 1545. Return area of square

Created by: Marek Kuklis

#### Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

#### Problem 189. Sum all integers from 1 to 2^n

Created by: Dimitris Kaliakmanis

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

Created by: Chelsea

Tags indexing, find

#### Problem 157. The Hitchhiker's Guide to MATLAB

Created by: the cyclist

#### Problem 109. Check if sorted

Created by: AMITAVA BISWAS

#### Problem 67. Find common elements in matrix rows

Created by: Cody Team

Tags matlab

#### Problem 71. Read a column of numbers and interpolate missing data

Created by: Cody Team

Created by: Will

#### Problem 72. Interpolator

Created by: Cody Team

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

#### Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

#### Problem 61. Find state names that end with the letter A

Created by: Cody Team

Tags regexp, states

#### Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

#### Problem 9. Who Has the Most Change?

Created by: Cody Team

#### Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

#### Problem 68. Kaprekar Steps

Created by: Cody Team

#### Problem 69. Find the peak 3n+1 sequence value

Created by: Cody Team

Tags 3n+1

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

Created by: Cody Team

Tags 3n+1, sample

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

Created by: Cody Team

Tags easy, matrices

#### Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

#### Problem 12. Fibonacci sequence

Created by: Cody Team

#### Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

#### Problem 19. Swap the first and last columns

Created by: Cody Team

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

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

Created by: Cody Team

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

#### Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

#### Problem 149. Is my wife right?

Created by: the cyclist

Tags easy, silly, fun

#### Problem 8. Add two numbers

Created by: Cody Team

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

#### Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

#### Problem 47. Extract leading non-zero digit

Created by: Cody Team

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

1 – 50 of 61