problem with stairs plot

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deborah
deborah 2011-8-20
Hello I have just delighted come across 'stairs', which does exactly what I want...except it doesn't.
Even the example given: >> x = linspace(-2*pi,2*pi,40); >> stairs(x,sin(x))
plots me a single straight line between (0,0) and (1,1). (Everything I try gives this plot result)
Any great ideas for the obvious thing I'm doing wrong very gratefully received!
yours, Flummoxed.

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回答（3 个）

Daniel Shub
Daniel Shub 2011-8-20
Is something overloading stairs? Try
which -all stairs
it should give something like: .../toolbox/matlab/specgraph/stairs.m
  2 个评论
deborah
deborah 2011-8-20
thanks for your reply.
unfortunately it doesn't seem to be the fix (though, good thought!)....
indeed it says: C:\Program Files\MATLAB\R2007b\toolbox\matlab\specgraph\stairs.m
Fangjun Jiang
Fangjun Jiang 2011-8-20
What do you see if you do:
x = linspace(-2*pi,2*pi,40);
figure;plot(x,sin(x))

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Fangjun Jiang
Fangjun Jiang 2011-8-20
What's wrong? try stairs(1:20,1:20)
  4 个评论
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Fangjun Jiang
Fangjun Jiang 2011-8-20
try this.
close all
stairs(1:20,1:20);
deborah
deborah 2011-8-20
same result! :(

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deborah
deborah 2011-8-21
I have no idea, but now after 3 reboots it suddenly works. That'll be fixed then..... thanks for people's suggestions.

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