It defines the subfigure environment which is simply a minipage. To create subfigure in latex you can use both beginminipageendminipage and beginsubfigureendsubfigure block to insert subfigures or sub images.
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Try the code below to see three subfigures within a figure each with a separate caption in addition to a global caption.
Latex subfigure caption.
T his page shows how to customize the captions for figures tables subfigures and subtables in latex.
Formatting captions and subcaptions in latex.
Subcaption a useful extension is the subcaption package the subfigure and subfig packages are deprecated and shouldnt be used any more which uses subfloats within a single float.
Latex will automatically keep track of the numbering of figures so you do not need to include this within the caption text.
When writing a thesis you may want to include some slightly more complicated figures with multiple images.
The location of the caption is traditionally underneath the float.
Latex would give you the figure number 21 in place of this command in the pdf.
Styling captions in latex subfig and caption packages this page is outdated.
The caption can therefore be move on top of the figure simply by rearranging the commands.
There are other packages such as subfigure and subfig however these are no longer considered standard.
There are different way of placing figures side by side in latex subcaption subfig subfigure or even minipage.
Please see formatting captions and subcaptions in latex instead.
Subfigurs are generally inserted horizontally in one or multiple rows.
Figures are then placed within the environment along with the caption and label.
In the above the subfigure caption label is enclosed by parentheses and the figure caption label is separated from the caption text by a colon.
When one wants to put multiple subfigures inside a subfigure one must use two packages caption and subcaption.
You can do this using subfigure environments inside a figure environment.
The subcaption package handles positioning differently from subfigure and subfig.
This page will go over a few examples of how to change these and other aspects of the captions including the numbering or lettering style arabic.
In research articles we need to add subfigures often.
However it is up to you to therefore insert the caption command after the actual contents of the float but still within the environment.
This post will tell you which one is the best.
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