Problem with an If loop / Gui application

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Manikandan
Manikandan 2011-3-9
I have some problem in running the if loop. I get the string value of two text boxes using the get command. Next, I check if both of them has 'high' as their string. If yes, the msgbox appears (works). If no, the msgbox inside the else statement does not get executed. My knowledge in MATLAB is limited. Kindly help me out of this.
p1 = get(handles.n_text,'string')
p2 = get(handles.c_text,'string')
if (p1 == 'high')&(p2 == 'high')
msgbox('Difficult')
else
msgbox('easy')
end

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采纳的回答

Manikandan
Manikandan 2011-3-9
Thank you Walter and Jan. It works.
  2 个评论
Jan
Jan 2011-3-9
I've deleted my answer. I have not seen Walter's answer when I started to create mine. But Walter's was exhaustive already.
Oleg Komarov
Oleg Komarov 2011-3-10
-1 to OP for accepting his own unmeaningful answer.

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更多回答（1 个）

Walter Roberson
Walter Roberson 2011-3-9
Use strcmp() or strcmpi() instead of == . When you use == then if either of the strings are not exactly 4 characters long, the == comparison will fail with an error because == is an element-by-element comparison. p1(1) to be compared to 'h', p1(2) to be compared to 'i', and so on, which will fail if p1 does not have exactly 4 elements (characters).
When the routine fails with an error, the msgbox() in the else will not get executed.

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