How to insert a variable and datetime array into a graph title?

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Brianna Miranda ，2022-3-2

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评论： Star Strider ，2022-3-2

I have a graph that I want to include the date&time it was made and the number of data stacks the plot contains on it. The number of stacks is a variable that changes depending on what I input for it. The title for the plot works when I use:

sgtitle([datestr(startTime)]

but I also want to add "Number of stacks: N" to the title.

I have this so far but it isn't working:

sgtitle('Recorded on: ', [datestr(startTime)],'Number of Stacks: ',N)

I want the title to look like this:

Recorded on: dategoeshere, Number of Stacks: N

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Star Strider 2022-3-2

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https://ww2.mathworks.cn/matlabcentral/answers/1662120-how-to-insert-a-variable-and-datetime-array-into-a-graph-title#answer_908130

It would be easier to use datetime than earlier date versions —

N = 4;

for k = 1:N

subplot(2,2,k)

plot((1:5), randn(1,5))

grid

title(sprintf('Subplot #%d',k))

end

sgtitle(sprintf('Recorded on: %s, Number of Stacks: %d', datetime('now'),N))

See the documentation for sprintf for its details.

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Star Strider 2022-3-2

@Steven Lord — I’d not considered string arrays. Thanks!

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