Clarification regarding text in figure

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Pankaj on 18 Oct 2016
Commented: dpb on 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);
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.

Accepted Answer

dpb on 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
Pankaj on 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 on 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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