Getting Started

Multiple Data Sets in One Graph

Multiple x-y pair arguments create multiple graphs with a single call to plot. MATLAB automatically cycles through a predefined (but user settable) list of colors to allow discrimination among sets of data. See the axes ColorOrder and LineStyleOrder properties.

For example, these statements plot three related functions of x, with each curve in a separate distinguishing color:

• x = 0:pi/100:2*pi;
  y = sin(x);
  y2 = sin(x-.25);
  y3 = sin(x-.5);
  plot(x,y,x,y2,x,y3)
  

The legend command provides an easy way to identify the individual plots:

• legend('sin(x)','sin(x-.25)','sin(x-.5)')
  
  
  

For More Information    See Defining the Color of Lines for Plotting in "Axes Properties" in the MATLAB documentation.

Creating a Plot

Specifying Line Styles and Colors

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