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PolynomialQ

Usage

PolynomialQ[expr, var] 多项式在var中,产生True ,否则产生False.
PolynomialQ[expr,   , ...  ] 检验是否 expr 中.


Notes

 不必是符号; PolynomialQ[f[a] + f[a]^2, f[a]]LongRightArrow .
• 参见 Mathematica 全书: 2.3.5 and 节 3.3.2.
• 同时参见: Collect, Series.
Further Examples

Is the expression a polynomial?

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Is the expression a polynomial in the variable that is in the second argument?

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This expression is not a polynomial over the integers, but it is over the integers modulo  .

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