Issue with latex interpreter plot/chart title

Question

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Hi, I would like to assign plot title as follows Y_10mm_X = num2str(b2(i)). where i = 0.78

For this, I tried as follows

title(['Y= 5mm_x ='  num2str(b2(i)) ' mm'],'FontSize',20,'Color','black','Interpreter','latex')

However, I got teh below error..Please help me with this..

String scalar or character vector must have valid interpreter syntax:

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Answer 1

Walter Roberson 2022-2-11

0 个投票

Are you certain that you want the x to be a subscript of the second m ??

i = 1;

b2(i) = 0.78

b2 = 0.7800

title(['$Y= 5mm_x =' num2str(b2(i)) ' mm$'], 'FontSize', 20, 'Color', 'black', 'Interpreter', 'latex')

Sorry, not a subscript, But underscore like this Y = 5mm_x = 0.78 mm

I figured out,, Now its Ok..

title(['$Y= 5mm\_{x} ='  num2str(b2(i)) ' mm$'], 'FontSize', 20, 'Color', 'black', 'Interpreter', 'latex')