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Jan Orwat


Last seen: 12 months ago
2,494 total contributions since 2013

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Jan Orwat's Badges

  • Cody 5th Anniversary Author
  • Scavenger Finisher
  • 3 Month Streak
  • Thankful Level 1
  • Knowledgeable Level 2
  • Matrix Patterns II Master
  • Introduction to MATLAB Master
  • Project Euler I
  • First Review
  • First Submission
  • Indexing IV Master
  • Matrix Patterns I Master
  • First Answer
  • Indexing I Master
  • Indexing III Master

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Solved


Find the complement of a number in binary
Input x is a decimal number and output y is the complement of binary representation of x. For example, x = 10 has the binary ...

2 years ago

Solved


Word Distance - Sum
Let's suppose that the distance of a word can be calculated by summing the differences between its letters, having assigned the ...

2 years ago

Solved


Lunar Arithmetic (Addition)
<https://oeis.org/A087061 OEIS link for a description of lunar arithmetic> Simply take the larger digit. Example 1: ...

2 years ago

Solved


Find the right number make the equation
Given positive integer number n, find the right positive integer number a, b , so that (1) sqrt(a + n * b) is a positive inte...

2 years ago

Solved


Make an anonymous function that has variable output
Make a anonymous function that has variable output. f = @(x)... the following equation→equation(s) as followed has(ve) ...

2 years ago

Solved


How many solutions has this problem?
Guess, predict or calculate :-) (You will be scored by the accuracy). Update: <http://www.mathworks.co.uk/matlabcent...

3 years ago

Solved


Test your luck!
This problem is designed to test your luck, and therefore the contents of your function are irrelevant. In order to do so, the t...

3 years ago

Problem


Tautology
Check if given expression is always true. For example sentence '~(A & B) == (~A | ~B)' is always true. Characters in ...

3 years ago | 3 | 40 solvers

Problem


Polarisation
You have n polarising filters stacked one on top of another, and you know each axis angle. How much light gets passed through th...

3 years ago | 3 | 229 solvers

Problem


Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer whi...

3 years ago | 11 | 735 solvers

Solved


Resizing Matrices
Take an 4x3 matrix, and resize it to a 2x6 matrix

3 years ago

Solved


OXO counting
Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals. Example: >> board = ['OOX' ...

3 years ago

Solved


Twist 'n' Match
Given n and m, construct an n-by-n matrix a such that a, when rotated 90 degrees and compared with itself, matches itself in exa...

3 years ago

Solved


Oh Zero Zero Zero!!!
Hello all, So you have to find the largest section of zeros in a vector and then find the length of those zeros and there start...

3 years ago

Problem


OXO counting
Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals. Example: >> board = ['OOX' ...

3 years ago | 3 | 10 solvers

Solved


Rotate array 90 degrees
Rotate the given matrix by 90 degrees. Example, A = [1 2 3 ; 4 5 6 ] B = rotated(A) = [ 3 6; 2 5; 1 4 ]

3 years ago

Solved


Calculate some equation
Using given inputs x and z, make two outputs that are y1 = (xz)/(x/z)^2 + 14x^2 - 0.8z^2 y2 = x^z - z^x + (x/z)^2 - (z/x...

3 years ago

Solved


How many problems and solutions did you like?
When I started to create problems in my early stages of playing Cody, one day, I realized that Aurelien Queffurust liked one of ...

3 years ago

Solved


Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

3 years ago

Solved


Use R2016b Text Manipulations to Fix These Addresses (Part 1)
We have a series of addresses like the following which we'd like to reformat. Can you remove the latitude and longitude from the...

4 years ago

Solved


Use R2016b Text Manipulations to Fix These Addresses (Part 3)
We have a series of addresses like the following which we'd like to reformat. Each of the addresses lacks a space and a comma ...

4 years ago

Solved


Combine the first and last names
MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

4 years ago

Solved


Use R2016b Text Manipulations to Fix These Addresses (Part 2)
We have a series of addresses like the following which we'd like to reformat. All the addresses are in the Boston area of Mass...

4 years ago

Solved


if
if value n is larger than or equal to 100, return true, else false.

4 years ago

Solved


Quantization Level
Given an 3-bit Quantizer ranging from 0-5 Volts, Determine the number of quantization level.

4 years ago

Solved


Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

4 years ago

Solved


String Array Basics, Part 2: Convert String Array to Cell Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

4 years ago

Solved


String Array Basics, Part 3: Convert Cell Array with Missing Values to String Array
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

4 years ago

Solved


String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

4 years ago

Solved


Convert radians to degrees
Given input in radians, output to degrees

4 years ago

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