Clarification regarding text in figure

2 vues (au cours des 30 derniers jours)
Pankaj
Pankaj le 18 Oct 2016
Commenté : dpb le 19 Oct 2016
I have a quick question:
I was trying to get text on a figure, kindly consider the following:
t = linspace(0,2*pi,50);
y = sin(t);
plot(t,y)
Following works fine
text(2, 0, '$\theta$', 'interpreter','latex','Position', [0.1 0.8], 'Units', 'normalized' );
But not this
text('$\theta$', 'interpreter','latex','Position', [0.1 0.8], 'Units', 'normalized' );
Why? Can someone please explain.
Thanks

Réponse acceptée

dpb
dpb le 18 Oct 2016
>> help text
text Text annotation.
text(X,Y,'string') adds the text in the quotes to location (X,Y)...
Note the X,Y inputs are not documented as optional
  2 commentaires
Pankaj
Pankaj le 19 Oct 2016
Thanks dpb for the reply, I could figure it out.
X and Y were provided with 'Position' property, I was missing 'String' as argument. Just add 'String' to the command.
text('String','$\theta$', 'interpreter','latex','Position', [0.1 0.8], 'Units', 'normalized' );
That works.
Screenshot form Text Properties help.
dpb
dpb le 19 Oct 2016
Yes, but the first didn't supply all properties via the named parameters in which case the X,Y implied position values must be provided.
While the above form is allowable, what's the point? It's bulkier and more error-prone as you've demonstrated than the shorthand version with only additional parameters that aren't default needing supplied...

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