Building legends with extraordinary properties

Question

Miroslav Balda 2013-2-8

Legend command denotes all plotted items in a serial order. Questions: 1. Is there a way how to skip denoting some plotted items from a legend?

   *Example 1*:  Plotted items are  line1, line2, line3
   *legend  1*:  line1, line3 % how to pruce it?

2. Is there a possibility to gather items under one in a legend?

   *Example 2*:  Plotted items are  line, marker
   *legend  2*:  Is it possible to have only one gathered item in a legend?

Answer 1

Thorsten 2013-2-8

编辑：Thorsten 2013-2-8

Example 1

 x = -pi:0.1:pi;
 h = plot(x, sin(x), 'r', x, cos(x), 'b', x, x, 'k');
 legend(h([1 3]), {'sin' 'x'})

Example 2 (use a third fake entry with both line and marker)

 x = -pi:0.1:pi;
 h = plot(x, sin(x), 'b-', x, cos(x), 'bo', x(1), cos(x(1)), 'b-o');
 legend(h(3), {'sin cos'})

Miroslav Balda 2013-2-8

Thanks, it works.