How can I add a comment on a curve ?

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Mallouli Marwa
Mallouli Marwa 2019-3-12
编辑： Nitin Phadkule 2021-8-20
Hello
How can I add a comment on curve like Sc Model on the attached curve ?
How can I obtain the dark green (not 'g') ?
Best regards
P31 = [1.43436165089259e-06;1.43374766282421e-05;0.000142762885117782;0.000424250225827408;0.000563002478050165;0.000700445374077970;0.000836592402772030;0.000971456893169736;0.00110505201663249;0.00136848607248207;0.00162699686730859;0.00175443735421301;0.00188068430746190;0.00200574985219740;0.00212964597195751;0.00225238451055365;0.00237397717392035;0.00249443553193791;0.00261377102022809;0.00374779137589255;0.00478117199423086;0.00572338762862873;0.00658290260475480;0.00736729179956388;0.00808334563511983;0.00873716137866576;0.00933422268977868;0.00987946906116776;0.0103773565523935;0.0108319110077304;0.0112467747740984;0.0116252477870651;0.0119703237678987;0.0122847221688105;0.0128311589059730;0.0130675032083378;0.0144598912865357;0.0147934635095272;0.0146280450178580;0.0142271493397784;0.0137214852616019;0.0137214852616019;0.0131780725811443;0.0121005290573215];
R_matrix = [0.1e3;1e3;1e4;3e4;4e4;5e4;6e4;7e4;8e4;1e5;1.2e5;1.3e5;1.4e5;1.5e5;1.6e5;1.7e5;1.8e5;1.9e5;2e5;3e5;4e5;5e5;6e5;7e5;8e5;9e5;1e6;1.1e6;1.2e6;1.3e6;1.4e6;1.5e6;1.6e6;1.7e6;1.9e6;2e6;3e6;4e6;5e6;6e6;7e6;7e6;8e6;1e7];
loglog(R_matrix, P31) % Color dark green not green 'g' ?

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采纳的回答

Star Strider
Star Strider 2019-3-12
You could use an annotation (link) object (that I find difficult to use because of the coordinate system they require), or you could do something like this:
P31 = [1.43436165089259e-06;1.43374766282421e-05;0.000142762885117782;0.000424250225827408;0.000563002478050165;0.000700445374077970;0.000836592402772030;0.000971456893169736;0.00110505201663249;0.00136848607248207;0.00162699686730859;0.00175443735421301;0.00188068430746190;0.00200574985219740;0.00212964597195751;0.00225238451055365;0.00237397717392035;0.00249443553193791;0.00261377102022809;0.00374779137589255;0.00478117199423086;0.00572338762862873;0.00658290260475480;0.00736729179956388;0.00808334563511983;0.00873716137866576;0.00933422268977868;0.00987946906116776;0.0103773565523935;0.0108319110077304;0.0112467747740984;0.0116252477870651;0.0119703237678987;0.0122847221688105;0.0128311589059730;0.0130675032083378;0.0144598912865357;0.0147934635095272;0.0146280450178580;0.0142271493397784;0.0137214852616019;0.0137214852616019;0.0131780725811443;0.0121005290573215];
R_matrix = [0.1e3;1e3;1e4;3e4;4e4;5e4;6e4;7e4;8e4;1e5;1.2e5;1.3e5;1.4e5;1.5e5;1.6e5;1.7e5;1.8e5;1.9e5;2e5;3e5;4e5;5e5;6e5;7e5;8e5;9e5;1e6;1.1e6;1.2e6;1.3e6;1.4e6;1.5e6;1.6e6;1.7e6;1.9e6;2e6;3e6;4e6;5e6;6e6;7e6;7e6;8e6;1e7];
loglog(R_matrix, P31, 'Color',[0.6 0.6 0.1], 'LineWidth',2)
text(5E+4, 2E-3, {'This Curve'; '\downarrow'}, 'HorizontalAlignment','center')
  3 个评论
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Mallouli Marwa
Mallouli Marwa 2019-3-13
If I want to display two curves having same color but different aspect like
plot (x,y,'b',x2,y2,'b--')
How can I do using this color [0.6 0.6 0.1] with different aspect of line ?
Star Strider
Star Strider 2019-3-13
Use the hold (link) function to plot different data and colours on the same axes.

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更多回答（2 个）

Alex Mcaulley
Alex Mcaulley 2019-3-12
How can I add a comment on curve like Sc Model on the attached curve ?
https://es.mathworks.com/help/matlab/ref/text.html
How can I obtain the dark green (not 'g') ?
loglog(R_matrix, P31,'Color',[R G B])
https://es.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.line-properties.html
  1 个评论
Mallouli Marwa
Mallouli Marwa 2019-3-13
Thanks a lot
If I have to plot two curves and a comment on one curve, it doesn't display
plot (x,y,'y',x1,y2,'b')
text(2,5,'this curve 1')
Please help me

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Nitin Phadkule
Nitin Phadkule 2021-8-20
编辑：Nitin Phadkule 2021-8-20
Ran in:
x=0:1:100;
y=x.^2
y = 1×101
0 1 4 9 16 25 36 49 64 81 100 121 144 169 196 225 256 289 324 361 400 441 484 529 576 625 676 729 784 841
x1=-100:2:10;
y2=x1.^2
y2 = 1×56
10000 9604 9216 8836 8464 8100 7744 7396 7056 6724 6400 6084 5776 5476 5184 4900 4624 4356 4096 3844 3600 3364 3136 2916 2704 2500 2304 2116 1936 1764
plot (x,y,x1,y2)
text(20,5000,' this curve 1 \rightarrow')

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