How to automate the title of a graph

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Joshua 2013-7-17

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/82353-how-to-automate-the-title-of-a-graph

I need to output several graphs with titles automatically. I want the titles to reflect a series of input data, but I do not know how to do this. Any ideas?

Here is an example of what I mean

c = input('select 1 or 2');

if c==1

    length = 5;
    width =2;
end

if c==2

    length = 1;
    width = 0.5; 
end

If I select 1, I want my title on the figure to look like the following

    Length = 5
    Width = 2

There's got to be a way to code it so this gets done automatically, but I can't figure it out.

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Joshua 2013-7-17

在 MATLAB Online 中打开

I think I may have just figured it out.

title({['Length = ',num2str(length)];['Width = ',num2str(width)]})

dpb 2013-7-17

在 MATLAB Online 中打开

Alternatively,

title(sprintf('Length = %d\nWidth = %d',[leng width]))

NB: STRONGLY suggest to not overload the builtin function LENGTH w/ the variable of the same name--this will only cause grief to do so later on when try to use the function to, say, control a for loop upper limit.

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