All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home > Just Math
These problems are mostly math-related. That's not to say that they're all straightforward. You'll still need to flex your noggin to figure them out!
Sub-Categories (All Problem Categories)
> Calculus
Find all functions f:R -> R such that:
f(floor(x)*y) = f(x)*floor(f(y)) holds for all x and y.

Prove that no other function satisfies the above relationship.

(No Solution Yet, 0 Comments) Submitted on 2016-09-30 by K Sengupta   
Page 1 of 110   next >>    
Difficulty: 2 of 5polynomial problem 2 |
Posted on 2016-09-30 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Two Primes From Prime | Rating: 4.00
Posted on 2016-09-27 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Find Function From Fraction |
Posted on 2016-09-22 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5GCD and LCM |
Posted on 2016-09-16 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Ascending Hexadecimal Digits |
Posted on 2016-09-15 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 2 of 5Think twice | Rating: 5.00
Posted on 2016-09-12 by Ady TZIDON (Solution Posted, 4 Comments)
Difficulty: 3 of 5Three Root Trial |
Posted on 2016-09-10 by K Sengupta (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Nineteenth Exponent Exposition |
Posted on 2016-09-06 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Form Finding From Solution |
Posted on 2016-09-05 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Integer Equation Illation |
Posted on 2016-09-04 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Near Fermat Nuance |
Posted on 2016-08-30 by K Sengupta (No Solution Yet, 2 Comments)
Difficulty: 3 of 5Which is greater? | Rating: 4.00
Posted on 2016-08-28 by K Sengupta (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Complex Number and Positive Integer Poser |
Posted on 2016-08-27 by K Sengupta (No Solution Yet, 0 Comments)
Difficulty: 3 of 5Almost disjoint union |
Posted on 2016-08-23 by Ady TZIDON (No Solution Yet, 0 Comments)
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2016 by Animus Pactum Consulting. All rights reserved. Privacy Information