Problem 45497. Four digit number ABCD reversal
write a MATLAB function to find the four-digit number ABCD when multiplied by 4 returns DCBA. The function takes an input x=4.
Solution Stats
Problem Comments
-
1 Comment
Michael
on 7 May 2020
You really shouldn't give away the answer in the test suite. ;-)
You could change the test suite to something like:
assert (str2num(fliplr(num2str(y))) == y*4);
Although this also sort of gives away one possible solution.
Solution Comments
Show commentsProblem Recent Solvers45
Suggested Problems
-
Back to basics 12 - Input Arguments
586 Solvers
-
Longest run of consecutive numbers
5150 Solvers
-
453 Solvers
-
461 Solvers
-
Write a code that will follow the equation y = x * (x + x) * x.
319 Solvers
More from this Author2
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!