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4.4 ideal

Ideals are represented as lists of polynomials which generate the ideal. Like polynomials they can only be defined or accessed with respect to a basering.

Note: size counts only the non-zero generators of an ideal whereas ncols counts all generators; see size, ncols.

4.4.1 ideal declarations  
4.4.2 ideal expressions  
4.4.3 ideal operations  
4.4.4 ideal related functions