Shifting a graph without altering the data itself.

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Yuval
Yuval 2016-12-22
评论： Star Strider 2016-12-22
Hi, I have the following graph in which I'd like the two curves to coincide as closely as possible. Is there a way to achieve that without altering the data? Also, simply shifting the x data within the plot function by a certain offset (i.e. plot(x+offset,y)) doesn't yield the desired result.
Below is the plotting:
figure
subplot(2,1,1)
plot(k,RCS_PO,'k',k,RCS_MOM_soft,'m',k,RCS_MIE_soft,'b','LineWidth',2);

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回答（1 个）

Star Strider
Star Strider 2016-12-22
See the Signal Processing Toolbox alignsignals (link) function.
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Yuval
Yuval 2016-12-22
I am not looking for an exact alignment, only an adequate shift in the x axis.
Star Strider
Star Strider 2016-12-22
For that, I would choose a subset of your data (for example 4 to 8 ka) and use the delay calculated from that. You would insert a zero or NaN vector the length of the delay returned as the third argument of alignsignals to your signal vector, and use linspace to extend your independent (probably time) vector to the appropriate length.

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