Typing an equation in matlab with greek letters
45 views (last 30 days)
Show older comments
Panagiota Chatzi
on 20 May 2019
Edited: Walter Roberson
on 11 Dec 2023
Hello,
I have a problem with the greek letters in the line below. How can i insert the greek letters and also multiply them with each other the same time?
rs=(kB*T)/(4*π*η*D0);
Thank you!
2 Comments
gonzalo Mier
on 20 May 2019
As far as I know you cannot use special symbols in matlab. You have to write them as pi and eta
dpb
on 21 May 2019
Indeed, not allowable, not just what you know... :)
variable-names has the rules.
It doesn't seem as though there really is any direct reason the character set couldn't be extended, but never seems to occur. Of course, there are potential issues with internationalization and not all character sets are the same, but doesn't seem insurmountable.
Accepted Answer
Walter Roberson
on 21 May 2019
Edited: Walter Roberson
on 21 May 2019
syms kB T D0
Pi = evalin(symengine, '`π`');
nu = evalin(symengine, '`η`');
rs=(kB*T)/(4*Pi*nu*D0);
rs =
(T*kB)/(4*D0*`η`*`π`)
... Just don't ask to symvar(rs)
12 Comments
Walter Roberson
on 13 Jan 2023
Edited: Walter Roberson
on 11 Dec 2023
https://www.mathworks.com/help/symbolic/add-suffixes-to-symbolic-results.html is also important for this purpose
More Answers (0)
See Also
Categories
Find more on Get Started with Symbolic Math Toolbox 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!