www.gusucode.com > graphics 案例源码程序 matlab代码 > graphics/MaintainCurrentyAxisLimitsExample.m
%% Maintain Current _y_-Axis Limits % Use manual mode to maintain the current _y_-axis limits when you add more % plots to the axes. % Copyright 2015 The MathWorks, Inc. %% % First, plot a line. x = linspace(0,10); y = sin(x); plot(x,y) %% % Set the _y_-axis limits mode to manual so that the limits to not change. % Use |hold on| to add a second plot to the axes. ylim manual hold on y2 = 2*sin(x); plot(x,y2) hold off %% % The _y_-axis limits do not update to incorporate the new plot. % % Switch back to automatically updated limits by resetting the mode % to automatic. ylim auto