Jan Orwat
2 494 total contributions since 2013
Jan Orwat's Badges
Contributed problems to the Cody 5th anniversary groups
Awarded to Jan Orwat on 16 Oct 2017
15-year anniversary Scavenger Hunt finisher badge
Awarded to Jan Orwat on 09 Nov 2016
Contribute at least one answer each month for 3 consecutive months
Awarded to Jan Orwat on 20 Jul 2017
Accept 1 answer given by other contributors
Awarded to Jan Orwat on 20 Jul 2017
3 of your answers have been accepted
Awarded to Jan Orwat on 20 Jul 2017
Solve all the problems in Matrix Patterns II
Awarded to Jan Orwat on 13 Mar 2019
Solve Project Euler problems using Matlab
Awarded to Jan Orwat on 11 Sep 2018
Solve all the problems in Indexing IV problem group
Awarded to Jan Orwat on 01 May 2018
Matrix Patterns I Master
Awarded to Jan Orwat on 05 Oct 2017
Provide your first answer ever to someone else's question
Awarded to Jan Orwat on 20 Jul 2017
Solve all the problems in Indexing I
Awarded to Jan Orwat on 08 Nov 2016
Solve all the problems in Indexing III
Awarded to Jan Orwat on 30 Aug 2016
Solve all the problems in Magic Numbers
Awarded to Jan Orwat on 14 Jun 2016
Solve all the problems in Strings III
Awarded to Jan Orwat on 15 Mar 2016
Solve all the problems in Strings I
Awarded to Jan Orwat on 29 Feb 2016
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 månader 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 månader ago
Solved
Lunar Arithmetic (Addition)
<https://oeis.org/A087061 OEIS link for a description of lunar arithmetic> Simply take the larger digit. Example 1: ...
4 månader 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...
4 månader 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) ...
4 månader 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...
12 månader 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...
mer än ett år ago
Problem
Tautology
Check if given expression is always true. For example sentence '~(A & B) == (~A | ~B)' is always true. Characters in ...
mer än ett år ago | 3
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...
mer än ett år ago | 1
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...
mer än ett år ago | 8
Solved
OXO counting
Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals. Example: >> board = ['OOX' ...
mer än ett år 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...
mer än ett år 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...
mer än ett år ago
Problem
OXO counting
Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals. Example: >> board = ['OOX' ...
mer än ett år ago | 2
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 ]
mer än ett år 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...
mer än ett år 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 ...
mer än ett år 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...
nästan 2 år 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...
ungefär 2 år 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 ...
ungefär 2 år 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...
ungefär 2 år 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...
ungefär 2 år ago
Solved
Quantization Level
Given an 3-bit Quantizer ranging from 0-5 Volts, Determine the number of quantization level.
ungefär 2 år 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 ...
mer än 2 år 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...
mer än 2 år 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...
mer än 2 år 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...
mer än 2 år ago