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How to add string and number to a graph?

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Marisabel Gonzalez
Marisabel Gonzalez 2019-1-31
评论： Niyi Olukayode 2021-8-21
I would like to add the value of the estimated slope to my graph, but I don't know which command to use.
This is what I've tried
% slope
hold on
text(['slope = ',num2str(b)]);
% and
% slope
hold on
txt = ['slope = ',num2str(b)];
text(b,txt,'VerticalAlignment','Cap');
  4 个评论
显示 2更早的评论
Steven Lord
Steven Lord 2019-1-31
Put that information in the title of the axes or as the string in the legend for the line in question?
Adam Danz
Adam Danz 2019-1-31
But what I was actually looking for is the text not depending on any point, sort of as a legend where you can move the box around.
You can move text objects around after they are plotted. Select the "edit plot" arrow, select the text object, and drag it around the screen. But Matlab still needs to know where to initially plot the text so you have to use the x,y inputs to text.
You could put it in the corner of a plot like this
text (min(xlim), max(ylim), 'Upper Left Corner')

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采纳的回答

Jos (10584)
Jos (10584) 2019-1-31
str = 'hello'
gtext(str) % put the text interactively using your mouse

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