plotting as it is x- axis for first column and y axis for two part one y for second column and above that third column y value? (mean one y and then above that other value for clear visualization in plot)

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RS
RS 2013-7-22
0.395100 0.282257 0.767033
0.397100 0.296553 0.768326
0.399100 0.311245 0.769771
0.401100 0.327707 0.771041
0.403100 0.342074 0.768785
0.405100 0.356335 0.770814
0.407100 0.370333 0.771074
0.409100 0.382000 0.770967
0.411100 0.394110 0.772648
0.412800 0.401306 0.771393
0.415800 0.412105 0.774670
0.418800 0.416421 0.772872
0.421800 0.418117 0.774908
0.424800 0.416051 0.774679
First column represent x axis, second and third column represent y-axis, want to generate plot with x axis as the values are there and y axis for second column and above that plot the y axis for third column? how can it be?

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回答（3 个）

Azzi Abdelmalek
Azzi Abdelmalek 2013-7-22
If s is your matrix
x=s(:,1);
y1=s(:,2);
y2=s(:,3);
plotyy(x,y1,x,y2)
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Narges M
Narges M 2013-7-23
do you mean this? your question is not very clear.
figure; hold on;
a = subplot(2,1,1); plot(y1,x);
b = subplot(2,1,2); plot(y2,x);
linkaxes([a b],'x');
Narges M
Narges M 2013-7-23
编辑：Narges M 2013-7-23
you cannot have two y axis in a single figure. you could have subplots, each with one x axis and one y axis. in each subplot you can plot as many curves as you want. you could do that like this:
figure; subplot(1,2,1);
hold on;
plot(y1,x, 'r');
plot(y2,x, 'b');
.
.
.
plot(y1000, x, 'k');
hold off;
subplot(2,1,2);
hold on;
plot(yy1,x, 'r');
plot(yy2,x, 'b');
.
.
.
plot(yy1000, x, 'k');
hold off;
you could use different colors (specified by 'r' & 'b', etc) for each plot. see and read more in:
help plot
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RS
RS 2013-7-26
How can I overcome this error ?
??? Undefined function or method 'parseArgs' for input arguments of type 'cell'.
Error in ==> samexaxis at 33
Args=parseArgs(varargin,Args,{'abc' 'join' 'ytickanticlash'});
Narges M
Narges M 2013-7-26
编辑：Narges M 2013-7-26
Matlab cannot find your function "parseArgs". You should put it in the same folder as your running script, or add its path in: File -> Set Path... .

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