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- (define x-1 (poly/make-from-dense 1 '(1 -1)))
- (define x+1 (poly/make-from-dense 1 '(1 1)))
- (define p1 (poly/mul (poly/mul x-1 x-1) x+1))
- (define p2 (poly/mul (poly/mul x+1 x+1) x-1))
- (poly/gcd-euclid p1 p2)
- ;; => (*dense* 1 1 0 -1)
- (pcf:->expression
- (poly/gcd-euclid p1 p2)
- '(x))
- ;; => (+ -1 (expt x 2))
- (poly->roots (poly/mul (poly/mul x-1 x-1) x+1))
- ;; => (-1.0 1.0 1.0)
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