CASA Function: homogeneousPolynomial

Check for homogeneity of a polynomial in given variables.

Calling Sequence:

• b := type(expr,homogeneousPolynomial(vars))

Parameters:

expr : expression

• any expression

vars : list(name)

• list of variables

Result:

b : boolean

• a boolean value.

Description:

• The call type(expr,homogeneousPolynomial) checks whether expr is a homogeneous polynomial. in the variables given by vars.

Examples:

> type(x^2-c*y^2,homogeneousPolynomial([x,y]));

See Also: