How to Define Title Before Plotting?

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Rightia Rollmann
Rightia Rollmann 2018-9-26
回答： Rik 2018-9-26
The code below works well:
hax = axes;
x = linspace(0,3);
y1 = sin(5*x);
plot(hax,x,y1)
hax.Title.String = 'TITLE'; %titling after plotting
But, is there any way to define the title before plotting? (and if it's not possible why?) The code below does NOT draw the title:
hax = axes;
x = linspace(0,3);
hax.Title.String = 'TITLE'; % titling before plotting (doesn't work)
y1 = sin(5*x);
plot(hax,x,y1)

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采纳的回答

Rik
Rik 2018-9-26
Because plot is a high level command and will clear a lot of things, unlike the line function (which is what plot is calling anyway). Using hold will work:
hax = axes;
x = linspace(0,3);
hax.Title.String = 'TITLE'; % titling before plotting (doesn't work)
hold(hax,'on')
y1 = sin(5*x);
plot(hax,x,y1)

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