Theorems · Definition · convex and discrete geometry
Finset.centerMass
{R : Type u_1} →
{E : Type u_3} →
{ι : Type u_5} → [inst : Field R] → [inst_1 : AddCommGroup E] → [Module R E] → Finset ι → (ι → R) → (ι → E) → ECenter of mass of a finite collection of points with prescribed weights.
Note that we require neither 0 ≤ w i nor ∑ w = 1.
- Defined in
- Mathlib.Analysis.Convex.Combination
- Cited by
- 49 results in Mathlib
- Foundations
- Depth 45 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- FieldAddCommGroupModule
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Modulestatement and proof · cited by 20,661
- Finsetstatement and proof · cited by 13,712
- AddCommGroupstatement and proof · cited by 12,871
- Fieldstatement and proof · cited by 7,404
- Finset.sumproof · cited by 5,195
Cited by49
Results whose statement or proof uses this declaration.
- Finset.centerMass_eq_of_sum_1statement · cited by 12
- Finset.centerMass_mem_convexHullstatement · cited by 11
- ConvexOn.exists_ge_of_mem_convexHullproof · cited by 5
- Convex.centerMass_memstatement and proof · cited by 4
- ConvexOn.map_centerMass_lestatement and proof · cited by 4
- Finset.convexHull_eqstatement and proof · cited by 4
- Finset.centerMass_congrstatement and proof · cited by 3
- convexHull_eqstatement and proof · cited by 3
- Finset.centerMass_filter_ne_zerostatement · cited by 2
- Finset.centerMass_insertstatement · cited by 2
- Finset.centerMass_le_supstatement · cited by 2
- Finset.centerMass_mem_convexHull_of_nonposstatement · cited by 2