scatter plot with non-linear axis

2012 11 17
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Hi together!
I have been trying for a while now to make a certain graph, but just do not succeed :-(
Here is what I need:
A scatter plot, where the y axis is linear scaled: y = [0.7, 0.9] and the x-axis is non-linear scaled: x = [1/128, 1/64, 1/32, 1/16, 1/8, 1/4, 1/2, 1, 2]
Could anybody PLEASE help me??

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Azzi Abdelmalek
Azzi Abdelmalek 2012-11-17

2 个投票

x=1:10
y=sin(x)
x1=1./2.^(-1:length(x)-2),
scatter(x1,y)

6 个评论
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Birgit
Birgit 2012-11-17
Thank you Azzi for your answer! However it doesn't work for me. :-( when I copy your code I still get a linearly scaled axis??
Azzi Abdelmalek
Azzi Abdelmalek 2012-11-17
I am not getting this message, are you sur you din'nt do anything else
Birgit
Birgit 2012-11-17
yes, I am sure I didn't do anything else. I copied it 1:1 and I get a linearly scaled axis
Azzi Abdelmalek
Azzi Abdelmalek 2012-11-17
try this
close
x=1:10
y=sin(x)
x1=1./2.^(-1:length(x)-2),
scatter(x,y)
set(gca,'xticklabel',fliplr(x1))
grid
Walter Roberson
Walter Roberson 2012-11-17
set(gca, 'XScale', 'log')
This will give you log 10, but log 2 is a linear multiple of log 10.
Birgit
Birgit 2012-11-17
thanks to both of you! :-) it's great to get help here!

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