for loop forward and backward

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Rightia Rollmann
Rightia Rollmann 2017-1-12
编辑： Luke M 2017-1-12
How to make the loop below count increasingly (1,2,3,…) when I press the mouse button and count decreasingly (4,3,2,…) when if press a keyboard button?
for i = 1:10
disp( num2str( i ) );
w = waitforbuttonpress;
end
  2 个评论
John Chilleri
John Chilleri 2017-1-12
This can be done with buttons created in a GUI, would that be adequate?
Rightia Rollmann
Rightia Rollmann 2017-1-12
I want the simplest soloution where no GUI is needed

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采纳的回答

Luke M
Luke M 2017-1-12
编辑：Luke M 2017-1-12
I'm not sure if it can be done in a for loop, but in a while loop:
i = 1;
while i >= 1 && i <= 10
disp( num2str( i ) );
if waitforbuttonpress
i = i - 1;
else
i = i + 1;
end
end

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