matlab - Plotting with transparency -

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I have to plot two forms below which overlap each other. How can I make the overlapping area transparent, so that the lower curve is visible? In the overlapping area, I can currently only see the top curve. 

  x = 0: 0.01: 2 * pi; % # Starting x array y1 = sin (x); % # Create the first curve y2 = sin (x) + 5 % # Make another curve X = [X, flipple (x)]; To create plot% # create creative x value array = [or 1, flipple (y2)]; Make y value for # # outside and then fill back (X, Y, 'B'); % # Plot area% *************************************************************************************************** *****************% # Initial x array y1 = sin (2. * x); % # Create the first curve y2 = sin (2. * x) + 5 % # Make another curve X = [X, flipple (x)]; To create plot% # create creative x value array = [or 1, flipple (y2)]; Make y value for # # outside and then fill back (X, Y, 'B'); % # Plot filled area  
 
 Change your last order  Fill (X, Y, 'B'); with :  
  h = fill (x, y, 'b');   
 To retain the patch object to get it. Then type:  
  set (h, 'face alpha', 0.5)   
  Enter image details here   
 Is this what you need?

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