Graphics 5 Overview of MATLAB Plotting 2 The Plotting Process 5-2 5 Figure Tools 57 Graphs Within a fi Selecting Plot Types ng Plots Plot editing Mode Using Functions to Edit graphs 5-19 Examples- Using MATLAB Plotting Tools 520 Modifying the graph Data Source Preparing Graphs for Presentation 529 Modify the graph to Enhance the Presentation 530 Printing the graph Exporting the graph 5-35 Basic Plotting Functions 5-38 Creating a Plot Multiple Data Sets in One graph 5-40 Specifying Line Styles and Colors Plotting Lines and Markers 5-41 Imaginary and Complex Data Adding Plots to an Existing graph 5-44 Figure Windows 5-46 Multiple Plots in One Figure Controlling the Axes 5-48 Axis Labels and Titles 5-49 Saving Figures 5-51 Mesh and Surface plots Visualizing Functions of Two variables Images 5-58 Reading and Writing Images 5-59iv Contents 5 Graphics Overview of MATLAB Plotting . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 The Plotting Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Graph Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5 Figure Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Arranging Graphs Within a Figure . . . . . . . . . . . . . . . . . . . . . 5-13 Selecting Plot Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Editing Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 Plot Editing Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16 Using Functions to Edit Graphs . . . . . . . . . . . . . . . . . . . . . . . . 5-19 Examples — Using MATLAB Plotting Tools . . . . . . . . . . . . . 5-20 Modifying the Graph Data Source . . . . . . . . . . . . . . . . . . . . . . 5-27 Preparing Graphs for Presentation . . . . . . . . . . . . . . . . . . . . 5-29 Modify the Graph to Enhance the Presentation . . . . . . . . . . . 5-30 Printing the Graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-33 Exporting the Graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-35 Basic Plotting Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38 Creating a Plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38 Multiple Data Sets in One Graph . . . . . . . . . . . . . . . . . . . . . . . 5-40 Specifying Line Styles and Colors . . . . . . . . . . . . . . . . . . . . . . . 5-41 Plotting Lines and Markers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-41 Imaginary and Complex Data . . . . . . . . . . . . . . . . . . . . . . . . . . 5-43 Adding Plots to an Existing Graph . . . . . . . . . . . . . . . . . . . . . . 5-44 Figure Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-46 Multiple Plots in One Figure . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-46 Controlling the Axes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-48 Axis Labels and Titles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-49 Saving Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-51 Mesh and Surface Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-52 Visualizing Functions of Two Variables . . . . . . . . . . . . . . . . . . 5-52 Images . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-58 Reading and Writing Images . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-59