Error using title of plot

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Meva
Meva 2015-4-6
评论： Meva 2015-4-6
Hi,
I want to use plot with title command. But when I try title of :
title(['Plots of ... with beta1=',num2str(beta1)','alphabar=',num2str(alphabar)]);
it gives me error saying :
Error using horzcat
Dimensions of matrices being concatenated are not consistent.
But without
beta1=',num2str(beta1)','alphabar=',num2str(alphabar)])
it is working. So beta1 and alphabar should be indicated somewhere in figure but how?

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Mahdiyar
Mahdiyar 2015-4-6
Hi Meva
Can you send the values of "beta1" and "alphabar"?
The problem is about the dimention of "beta1" or "alphabar". One of them is a column vector.
Please check the value of these two variables.
Regards,
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Mahdiyar
Mahdiyar 2015-4-6
the point is that you put one " ' " extera. that is all.
Meva
Meva 2015-4-6
thank you that solved the problem.

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更多回答（1 个）

Image Analyst
Image Analyst 2015-4-6
That's why I prefer to use sprintf() instead of [ ].
caption = sprintf('Plots of ... with beta1=%f, alphabar=%f', beta1, alphabar);
title(caption, 'FontSize', 25);
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Image Analyst
Image Analyst 2015-4-6
What happens if you take off the semicolon? It should definitely define it:
caption = sprintf('Plots of ... with beta1=%f, alphabar=%f', beta1, alphabar)
The only way for caption to not be defined is if it completely skipped the line. But if it skipped that line, it wouldn't have executed the title() line either. Makes no sense.
Meva
Meva 2015-4-6
I took off the semicolon but it says the same thing. Thanks.

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