Plus and minus sign for an equation
439 visualizzazioni (ultimi 30 giorni)
Mostra commenti meno recenti
Rooy
il 18 Mar 2012
Commentato: Walter Roberson
il 27 Apr 2018
I need the plus and minus sign before the square root function, am I doing it right?
a=((xx+yy)/2)+sqrt((((xx+yy)^2)/2)+xy^2);
a=[a,-a];
0 Commenti
Risposta accettata
Più risposte (1)
Naresh Virothi
il 27 Apr 2018
how to type plus or minus symbol in matlab
2 Commenti
John D'Errico
il 27 Apr 2018
Please don't add an answer just to ask a question.
And there is no plus OR minus symbol in MATLAB, that is, a symbol that indicates EITHER plus or minus.
Unless of course you just mean a string.
'+/-'
ans =
'+/-'
Walter Roberson
il 27 Apr 2018
>> char(177)
ans =
'±'
However, this has no significance to equations and will be rejected as an error in source code except in comments or character vectors or string objects.
If you need this for labels, then, for example,
text(0.5,0.5,'$\pm$','interpreter','latex')
If you need the minus on top and the plus underneath then \mp
Vedere anche
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!