How can I draw contour lines with a given excel Data sheet

Can't figure out the correct code

doesnt allow me to use xlsread

Answer 1

[Jonas]

you mean something like that?

mtx=readmatrix('F_22_Project Data.xlsx','Range','D9:V32');
contour(0:20:360,0:20:460,mtx)

[Mariela Penaloza]

Yes thank you so much!