LatexScientificNotation:

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   Converts a number into a string using latex notation.

   Type LatexScientificNotation for a demo.

   Since version 10.
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   Form:
   s = LatexScientificNotation( x, n, m )
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   ------
   Inputs
   ------
   x        (1,1)  Number
   n        (1,1)  Number of decimal digits
   m        (1,1)  Number of significant digits

   -------
   Outputs
   -------
   s        (1,:)  Latex string

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