Is there maximum number of characters of the figure title latex interpreter string?

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Dear all,
I would like to write a multiline title using the latex interpreter.
I understand there is a limit of 1200 characters (minus roughly 10 characters for each line breaking).
I tried the following code but the interpreter fails.
title({[sprintf('$\\psi$ = %.0f$^\\circ$, $\\theta$ = %.0f$^\\circ$', rotationAngle,rad2deg(thetaIncidence)) newline ...
sprintf('$n_{Exp}$=%.2E, $vc_{Exp}$=%.2E', beta(1), beta(2)) sprintf('$\\sigma_n$=%.2E, $\\sigma_v_c$=%.2E', errBeta(1), errBeta(2))]},'Interpreter','latex')
Any idea?
Many thanks in advance
  2 Comments
dpb
dpb on 11 Jul 2020
Simplify, simplify, simplify!!!! Break you string up into smaller pieces, debug each part to make sure of syntax...the LaTeX stuff is very fragile to proper syntax and very difficult to read easily. That there's no indication of which part fails doesn't help but is why simply have to work on the pieces from left to right, getting each working before going on to the next...
FastCar
FastCar on 11 Jul 2020
I tried to break the title in 3 pieces and each one works fine. The problem is when I put together the pieces.

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Accepted Answer

madhan ravi
madhan ravi on 12 Jul 2020
Painful but manageable ;)
first = sprintf('$$\\psi = %.0f^{\\circ}$$', rotationAngle);
second = sprintf('$$\\theta = %.0f^{\\circ}$$', rad2deg(thetaIncidence));
third = sprintf('$$n_{Exp} = %.2E$$', beta(1) );
fourth = sprintf('$$vc_{Exp} = %.2E$$', beta(2));
fifth = sprintf('$$\\sigma_n = %.2E$$', errBeta(1));
sixth = sprintf('$$\\sigma_{v_{c}} = %.2E$$', errBeta(2));
title({first, second,third,fourth,fifth,sixth},'Interpreter','latex')
  8 Comments
Walter Roberson
Walter Roberson on 13 Jul 2020
I have a difficult time finding documentation for TeX itself that is not LaTeX; even the documents I find that say they are talking about TeX specifically tend to be contaminated by LaTeX constructs.

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More Answers (1)

dpb
dpb on 11 Jul 2020
First, you must pass a char() string, not cellstr. You've got too many $ signs for pieces, but a start at what outlined above using
tstr=[sprintf('$\\psi = %.0f^\\circ$', rotationAngle)];
title(tstr)
does work...just keep adding pieces one at a time.
  2 Comments
FastCar
FastCar on 12 Jul 2020
Edited: FastCar on 12 Jul 2020
Dear dpb, I tried each one of the sprint strings (and the first two together) and they work fine alone. I tried char() and I still get the same wrong text.
Now I tried
text= [sprintf('$\\psi$ = %.0f$^\\circ$, $\\theta$ = %.0f$^\\circ$', rotationAngle,rad2deg(thetaIncidence)) newline ...
sprintf('$n_{Exp}$=%.2E, $vc_{Exp}$=%.2E', beta(1), beta(2)) sprintf('$\\sigma_n$=%.2E, $\\sigma_v_c$=%.2E', errBeta(1), errBeta(2))];
title(text,'Interpreter','latex')
and it still does not work fine, but I do not get anymore the warning on the interpreter.
dpb
dpb on 12 Jul 2020
As said, just piece together pieces one at a time. If you break somewhere along the line, that's the portion with a syntax error to fix (or you're trying to do something the MATLAB LaTeX implementation doesn't support).

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