MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Specifikace stáhnout pdf (Strana 151)

Accessing Workspace Variables from a List Box

5-27

var1 = list_entries{index_selected(1)};

var2 = list_entries{index_selected(2)};

end

Callbacks for the Plotting Buttons

The callbacks for the plotting buttons call get_var_names to get the names of

the variables to plot and then call

evalin to execute the plot commands in the

base workspace.

For example, here is the callback for the

plot function:

function varargout = plot_button_Callback(h,eventdata,handles,varargin)

[x,y] = get_var_names(handles);

evalin('base',['plot(' x ',' y ')'])

The command to evaluate is created by concatenating the strings and variables

that result in the command:

plot(x,y)

1 2 ... 146 147 148 149 150 151 152 153 154 155 156 ... 179 180

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MATLAB SIMULINK 7 - GRAPHICAL USER INTERFACE Specifikace Strana 151