how plot X=const

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Maxime
Maxime 2014-9-17
回答： José-Luis 2014-9-17
I have a Y vector comprising a set of values (eg Y = (2.5, 34, 65, -12, etc ...) I have another G vector comprising a set of values (eg G = (12.5, 5.789, 4.6102, 21.09, etc ...).
I would like to draw on the same graph the curve defined by the vector Y, and, the vertical lines of equation X = 12.5, X = 5.789, X = 4.6102, X = X 21.09 = ... etc (the values defined by my G vector...
How can I do ?
!!!! Y and G have not the same length
  1 个评论
José-Luis
José-Luis 2014-9-17
Duplicate question
Please, instead of repeating the same question, provide more details that would help us understand what it is you actually want. An image would be quite suited for that in this case.

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回答（1 个）

José-Luis
José-Luis 2014-9-17
x = 1:100;
y = cos(x .* 2 .* pi ./100);
X = rand(1,10) .* 100;
Y = interp1(x,y,X);
plot(x,y,'r-','Marker','*');
hold on
stem(X,Y)

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