Differential dot in legend using Tex interpreter

Hi!

I would like to put a derivative dot on a letter in my legend.

I did it in a previous code using LaTeX interpeter but now I would like to use Tex interpreter since all the graphs of the work should have the same style.

Do you know I could do it?

Thank you!

Answer 1

[Adam Danz]

To use an overdot as a legend string with TeX interpreter, use a unicode diacritic character (see resources below).

For example, I copied the unicode characters V̇ and Ṫ from the links below and attained its numeric representation in Matlab using,

double('V̇')  % Copy-pasted character

ans = 1×2

86 775

double('Ṫ')   % Copy-pasted character

ans = 7786

Rather than storing those characters in your code, just use the numeric equivilants.

Convert back to char and assign the value to the DisplayName properties of the graphics objects that should appear in the legend. The 2nd line shows how to combine the overdot character with other characters.

hold on
h(1) = plot(0:.1:1, rand(1,11), 'DisplayName', char([86 775]));
h(2) = plot(0:.1:1, rand(1,11), 'DisplayName', ['(' char(7786) 'G)/X']);
lh = legend(h, 'FontSize', 14); 

lh.Interpreter

ans = 'tex'

Resources: Overdot characters

• Using diacritics in Matlab [Answers forum
• Wikipedia Dot_(diacritic)
• Diacritical Characters to ASCII Character Mapping - search for "dot accent"

[Andrea Costantino]

Thank you! It is a very interesting (and quick) solution. I will implement it in my code.

Thank you very much

Answer 2

[Cris LaPierre]

I do not believe \dot is supported by the tex interpreter. You can find a list of the supported Greek letters and special characters here.

[Star Strider]

It would likely be best to re-do the previous plots using the LaTeX interpreter as well.

[Andrea Costantino]

It is not feasible to modify all the previous plots...I fixed it adding a text with a single dot just above the character. Not so elegant, but it works!

[Adam Danz]

> I fixed it adding a text with a single dot just above the character

Isn't that exactly what you wanted to do?