How can I shading plot?

Question

Eugenio Milanese 2014-3-27

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评论： Eugenio Milanese 2014-3-28

Hi everyone.

I want to make shading the color of the plotted functions. I explain: for example I plot many function on the same figure, and their colors are 'b', 'g', 'r', 'c' etc... I want them shading from dark green to light green (or other color).

Here an example: the normal plot

i want this...

Any clues?? Thanks to everyone

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Answer 1

Marta Salas 2014-3-27

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Color is defined as a vector of 3 values: RGB. When you select 'g' on you plots this vector is [0 1 0]. 'r' is [1 0 0] or 'b' is [0 1 0]. You can customize the color for every curve:

mycolor = [0 1 0];
h = plot(x,y);
set(h,'Color', mycolor);

To know which is the values of the greens, you can look at this page, for example: http://www.rapidtables.com/web/color/RGB_Color.htm

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Marta Salas 2014-3-27

编辑：Marta Salas 2014-3-27

在 MATLAB Online 中打开

You can do it on a loop. Let's say x an y are column vectors

X = [x, x2, x3];
Y = [y, y2, y3];
mycolor = [0 1 0; 0 0.5 0; 0 0.2 0];
figure
for it=1:size(X,2)
   h = plot(X(:,it), Y(:,it));
   hold on
   set(h,'Color', mycolor(it,:));
end