How can i use a variable in my text(...) - command?

Hi,

ymax_woehler is a variable with the value 30. How can i use this variable in my text(...)-command? With num2str(ymax_woehler)?

text(20,18,'\sigma_{a,1}= ymax_woehler')

Thank you.

Answer 1

[José-Luis]

 text(20,18,['\sigma_{a,1}=', num2str(ymax_woehler)])

[Philipp Mueller]

thank you it works :)