Comment #3 on issue 1282 by nicolas.pourcelot: missing \times in latex
output
http://code.google.com/p/sympy/issues/detail?id=1282
Yes, I think this is clearly a bug, or at least an undesirable behaviour.
'ab' is standard shortcut for a*b, so it should remain standard latex()
output as
long as symbols are used.
However, '42^{\ln{2}}' is *never* a shortcut for 4*2^{\ln{2}}, since 42
can't
obviously be a shortcut for 4*2.
So, without option, latex() should return standard output for a*b, 4*x and
4*2^{\ln{2}}, ie. ab, 4x, and 4*2^{\ln{2}}.
But imho, even when explicitly set, mul_symbol should not be used between
two
numbers, since for example 4.2^{\ln{2}} is really confusing.
So, to sum up, mul_symbol should be used only between two letters or a
number and a
letter.
Between two numbers, \\times should always be used.
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