Why is the autocolor green of plot not the same as plotting 'g'?

Question

John Petersen 2012-7-11

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采纳的回答： Tom

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Why don't

plot(x1,y1,x2,y2)

and

plot(x1,y1,'b',x2,y2,'g')

have the same color green line? Can you make them the same color? All the other colors that can be specified as a character seem to produce the same color as the autocolor of plot().

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Answer 1

Tom 2012-7-11

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I have no idea why, but you can set the colour manually:

plot(x,y,'color',[0 0.5 0])

or, for that matter, use any 1x3 vector to set the RGB colours. Type

get(gcf,'DefaultAxesColorOrder')

to see the default colour scheme

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John Petersen 2012-7-11

编辑：John Petersen 2012-7-11

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Thanks!

What about a second line such as

plot(x,y,'color',[0 0.5 0], x, y1,'color',[0.5 0 0] )

which gives an error. Do you have to plot them separately to specify special colors? Plotting separately is slower and I scan through many plots until I see something I want to examine, so speed is important.

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