MATLAB - symType

Documentation

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~Example:

a = sym('3/9');
s = symType(a)
 
>> s = 
	"rational"

syms f(x)
s = symType(f)
 
>> s = 
	"symfun"

f(x) = x^2;
s = symType(f)
 
>> s = 
	"expression"

f(x) = x;
s = symType(f)
 
>> s = 
	"variable"