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plot point

7 次查看（过去 30 天）
Muruganandham Subramanian
Hi, If i take time in x-axis, x=[10 20 30 40 50 60 70 80 90]; and y=[0.001 .05 0.1 .16 .7 .8 .01 .5 .3]; after plotting this, i want to mark a point in y-axis at x=65; Pls help me. Thanks in advance

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Paulo Silva
Paulo Silva 2011-6-30
x=[10 20 30 40 50 60 70 80 90];
y=[0.001 .05 0.1 .16 .7 .8 .01 .5 .3];
plot(x,y)
hold on
yi = interp1(x,y,65);
plot(65,yi,'r*')

更多回答（1 个）

Gerd
Gerd 2011-6-30
Hi, use the interp1 function
result = interp1(x,y,65)

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