Mathlib Map

Theorems · Theorem · convex and discrete geometry

convexCombination_eq_sum

Deprecated since 2026-04-03Use Convexity.IsModuleConvexSpace.sConvexComb_eq_sum instead.

∀ {R : Type u_2} {M : Type u_3} {inst : Semiring R} {inst_1 : PartialOrder R} {inst_2 : IsStrictOrderedRing R}
  {inst_3 : AddCommMonoid M} {inst_4 : Module R M} {inst_5 : Convexity.ConvexSpace R M}
  [self : Convexity.IsModuleConvexSpace R M] (w : Convexity.StdSimplex R M),
  Convexity.sConvexComb w = w.weights.sum fun m r => r • m

Alias of Convexity.IsModuleConvexSpace.sConvexComb_eq_sum.

Defined in
Mathlib.Geometry.Convex.ConvexSpace.Module
Cited by
0 results in Mathlib
Foundations
Depth 61 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Convexity.IsModuleConvexSpace

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites12

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by0

Results whose statement or proof uses this declaration.

Nothing cites this yet.