fact: Definition is_pulse_function { n : nat } ( i : ⟦ n ⟧%stn ) (f : ⟦ n ⟧%stn -> R) := ∏ (j: ⟦ n ⟧%stn), (i ≠ j) -> (f j = 0%rig).
imports: UniMath.Foundations.PartA UniMath.Foundations.NaturalNumbers UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Nat UniMath.MoreFoundations.Tactics UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.Vectors UniMath.Algebra.RigsAndRings UniMath.Algebra.IteratedBinaryOperations UniMath.Algebra.Matrix UniMath.Algebra.GaussianElimination.Auxiliary