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check a variable is a symbolic or a double

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mim
mim 2012-10-14
is there a function to check a variable is a symbolic or a double?

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Azzi Abdelmalek
Azzi Abdelmalek 2012-10-14
编辑：Azzi Abdelmalek 2012-10-14
syms a
b=10
class(a)
class(b)

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Walter Roberson
Walter Roberson 2012-10-15
Use isnumeric() or isa()

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