Trouble displaying uicontrol text when it's a decimal

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Tanner
Tanner 2015-12-9
评论： Tanner 2015-12-9
Hello,
I'm trying to display a title for a table I'm making, but I can't seem to get it to display numbers.
Here is the part of my code:
prompt={'Enter the mach number (from 1 to 5 by intervals of 0.2):'};
title='Message';
answer=inputdlg(prompt,title, [1 30]);
M=answer{1};
MachNumber=str2num(answer{1});
f = figure('Position',[350 -100 700 930]);
m=sprintf('Mach %.1f', MachNumber);
txt = uicontrol('Style','text','FontSize', 20, 'FontWeight',... %creates title
'bold', 'Position',[110 865 110 28],'String', m); %creates title
When I run it, it will only display "Mach" but not the following number. What I found interesting was that in the command window m shows up correctly, just not in the GUI panel.
>> m
m =
Mach 1.2
How can I fix this? I also want to keep the 1 decimal number format (1.0, 1.2, 1.4, etc.)
Thank you!

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TastyPastry
TastyPastry 2015-12-9
When I run your code, the number doesn't show up. This is because your uicontrol() textbox isn't wide enough. I change the 'position' property to [110 865 160 28] and it shows up as 'Mach 1.2' for me.

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