How to split into small pieces of ranges of this graph?

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SZ N
SZ N 2021-6-13
回答： Image Analyst 2021-6-14
How to split into small pieces of ranges from this graph?
Range=[ ] ?
I am not sure how to cut these graphs into smaller parts to analyze them.
I keep getting this error!!
"Array indices must be positive integers or logical values."

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回答（2 个）

LO
LO 2021-6-13
编辑：LO 2021-6-13
this plots first the first half then the second
subplot 211
plot(x(1:numel(x)/2),y(1:numel(y)/2))
subplot 212
plot(x(numel(x)/2:end),y(numel(y)/2:end))
you can also plot other ranges or segment, just indicate the proper indexes for x and y (if you have only one variable per plot then forget about the y).
for example, the following lines plot the first 100 points in 1 subplot, the second 100 are plotted in the other
subplot 211
plot(x(1:100))
subplot 212
plot(x(101:200))
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LO
LO 2021-6-13
You're welcome! Just mark the answer accepted if it fits😊

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Image Analyst
Image Analyst 2021-6-14
If you simply want to zoom in and look at a narrower viewport window, you can set the left and right ends of the x axis with the xlim() function. For example to have the graph show only the plot between 0.2 and 0.4, do
xlim([0.2, 0.4]);
after you've called plot().

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