# How can I add text, containing a matrix, to a plot?

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Jens Weber on 30 Jul 2017
Edited: dpb on 31 Jul 2017
How can I add text, containing a matrix, to a plot?
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dpb on 30 Jul 2017
Dunno. What is the form of this text and how can text "contain" a matrix?
You mean just read a text/data file skipping a bunch of nonumeric data, maybe?
Jens Weber on 31 Jul 2017
Edited: dpb on 31 Jul 2017
thanks for your comment as well. In the meanwhile a found the following answer:
A = [ 1 2; 3 4 ]
str = [ 'Transformationsmatrix \it{A} = ', '$$\left[ {\matrix{ ',num2str(A(1,1)),' & ', num2str(A(1,2)),... ' \cr ', num2str(A(2,1)) , ' & ', num2str(A(2,2)),' } } \right]$$' ];
title(str,'Interpreter','latex')

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### Accepted Answer

Jan de Jong on 31 Jul 2017
Do you mean something like this? text(1,1,[num2str(magic(3))])
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Jens Weber on 31 Jul 2017
Hello Jan, thanks for your answer. in the meanwhile I found the following solution:
A = [ 1 2; 3 4 ] str = [ 'Transformationsmatrix \it{A} = ', '$$\left[ {\matrix{ ',num2str(A(1,1)),' & ', num2str(A(1,2)),... ' \cr ', num2str(A(2,1)) , ' & ', num2str(A(2,2)),' } } \right]$$' ]; title(str,'Interpreter','latex')

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