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Christian Schröder


Active since 2019

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Really enjoying MATLAB!

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  • MATLAB Central Treasure Hunt Finisher
  • Knowledgeable Level 1
  • Thankful Level 2
  • Divisible by x Master
  • Curator
  • First Review
  • Puzzler
  • Number Manipulation I Master
  • Tiles Challenge Master
  • Strings III Master
  • Strings II Master
  • Strings I Master

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Boolean algebra
Your contractor from Elbonia has sent you the prototype of the new logical unit. It turns out that the only logical relation it ...

12 dagen ago

Solved


Convert integers from base 10 to proper primary notation
This problem is the companion to Cody Problem 60782. The proper primary system of expressing numbers has three digits: m, x, and...

13 dagen ago

Solved


Convert integers from proper primary to base 10
The proper primary system of expressing numbers has three digits: m, x, and p, which correspond to -1, 0, and 1. The places in a...

13 dagen ago

Solved


Express integers in negabinary
Negabinary numbers are written in base -2. For example, the negabinary number 11010 is , or 6 in base 10. In a similar way, -3 i...

17 dagen ago

Solved


Play Hocus Focus
The card game Hocus Focus starts by placing twelve cards with wizards face up on a table. The characteristics of the wizards tha...

17 dagen ago

Solved


Complete hydraulic geometry relations
Hydraulic geometry relations express the velocity , width , and depth of a river as a function of the discharge (or flow) , whi...

30 dagen ago

Solved


Simple addition
Add two numbers using a funciton

30 dagen ago

Solved


EZ10
EZ

30 dagen ago

Solved


EZ9
EZ

30 dagen ago

Solved


EZ8
EZ

30 dagen ago

Solved


EZ7
EZ

30 dagen ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

ongeveer een maand ago

Solved


Divisible by n, Composite Divisors
Pursuant to <http://www.mathworks.com/matlabcentral/cody/problems/42453-divisible-by-n-prime-vs-composite-divisors Divisible by ...

ongeveer een maand ago

Solved


Divisible by n, Truncated-number Divisors
Some divisors only require a few numbers at the end of the number in question to determine divisibility, no matter how long. Exa...

ongeveer een maand ago

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Divisible by n, prime divisors from 20 to 200
Pursuant to the previous problem (linked below), this problem requires a function that checks for divisibility of large numbers ...

ongeveer een maand ago

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Divisible by n, prime divisors - 11, 13, 17, & 19
Divisibility checks against prime numbers can all be accomplished with the same routine, applied recursively, consisting of add ...

ongeveer 2 maanden ago

Solved


EZ
EZ

ongeveer 2 maanden ago

Solved


EZZ
EZZ

ongeveer 2 maanden ago

Solved


EZ4

ongeveer 2 maanden ago

Solved


EZ5
EZ5

ongeveer 2 maanden ago

Solved


EZ6

ongeveer 2 maanden ago

Solved


Identify points inside a Reuleaux triangle
Write a function to identify points that lie in or on a Realeaux triangle, which is a curve of constant width. The input to the ...

ongeveer 2 maanden ago

Solved


Determine whether a number is a Ludic prime
Ludic numbers are formed by a sieve. Start with a list of the positive integers. Skip 1 and start with 2. Then delete every seco...

ongeveer 2 maanden ago

Solved


add
add

ongeveer 2 maanden ago

Solved


x = 1
x = 1

ongeveer 2 maanden ago

Solved


Sum along each diagonal of a matrix
Write a routine that returns the sums along the diagonals of a given matrix, A, where the first diagonal is the bottom left corn...

2 maanden ago

Solved


Find the closest canyon prime
My wife and I celebrated our honeymoon and most recent anniversary in Yellowstone and Grand Teton National Parks. After returnin...

2 maanden ago

Solved


List composite numbers that do not contain their prime factors as substrings
The number 63 has the prime factorization 3, 3, and 7, and it contains one of them (3) as a substring. In contrast, the number 4...

2 maanden ago

Solved


Build a block Toeplitz matrix
A symmetric block Toeplitz matrix has the form, where the are compatibly-sized matrices. Write a routi...

2 maanden ago

Solved


Condition number of Kronecker product
Given NxN matrix A and MxM matrix B, where M,N<=1000, write a routine to compute the condition number of kron(A,B).

2 maanden ago

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