Dealing with very small or very large numbers
5 views (last 30 days)
Show older comments
Anthony Gurunian
on 10 Apr 2021
Commented: Anthony Gurunian
on 10 Apr 2021
I have a physical problem with length scales on the order of nanometers. After some calculations, I have to calculate things like exp(-1e15) which is 0 according to MATLAB, but in reality it is nonzero. For context exp(-700) is already 9.8e-305 which is close to the smallest number in MATLAB 2.2251e-308. Is there a known workaround for things like his?
0 Comments
Accepted Answer
James Tursa
on 10 Apr 2021
I guess the obvious suggestion is to work in units of nanometers or maybe picometers instead of meters. Can you do that?
More Answers (0)
See Also
Categories
Find more on Logical in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!