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List:       lyx-users
Subject:    Re: Using esint package within Lyx environment
From:       "Paul A. Rubin" <parubin73 () gmail ! com>
Date:       2017-04-19 19:07:41
Message-ID: 6d04bc25-1d42-2261-d44d-13c91a78bb93 () gmail ! com
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On 04/19/2017 02:16 PM, Jim Rockford wrote:
> Can somebody explain how to implement the esint package style integral 
> symbols within Lyx?  In particular, I'd like to be able to use 
> keyboard shortcuts to create these nicer looking integration symbols 
> with nicer looking bounds of integration.
>
> I have the Math Options set to automatically load the esint package.  
> However, I cannot find any documentation about how to implement 
> something like esint within Lyx.  For example, how does one write a 
> double integral with a "D" (i.e. a generic 2D domain) centered beneath 
> both integral signs?  Is there any non-opaque documentation anywhere 
> that spells it out?
>
> Much thanks,
> Jim
To insert the \iint symbol, for example, you can either type \iint 
followed by a space in a math inset or select it from the math toolbar. 
It's in the "Big operators" group; the icon for the group is an integral 
sign, and it's on the upper of the two math toolbars in the default 
configuration.

To center a "D" beneath a double integral, start by clicking the "Frame 
decorations" group button (immediate left of "Big operators") and select 
the outline of a box with a smaller box underneath it (or just type 
\underset followed by a space in the math inset). Put the \iint symbol 
in the top box and the D in the bottom box.

Paul

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