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Theorems · Theorem · linear algebra

Matrix.mulVec_single

∀ {m : Type u_2} {n : Type u_3} {R : Type u_7} [inst : Fintype n] [inst_1 : DecidableEq n]
  [inst_2 : NonUnitalNonAssocSemiring R] (M : Matrix m n R) (j : n) (x : R),
  M.mulVec (Pi.single j x) = MulOpposite.op x • M.col j
Defined in
Mathlib.Data.Matrix.Mul
Cited by
23 results in Mathlib
Foundations
Depth 71 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FintypeDecidableEqNonUnitalNonAssocSemiring

Around this declaration

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

Matrix.mulVec_single_one · cited by 5Matrix.mulVec_single_oneProbabilityTheory.covariance_eval_multivariateGaussian · cited by 3ProbabilityTheory.covaria…Matrix.separatingLeft_iff_forall_vecMul_eq_zero · cited by 2Matrix.separatingLeft_iff…Matrix.mulVecLin_one · cited by 2Matrix.mulVecLin_oneLieModule.toEnd_matrix · cited by 2LieModule.toEnd_matrixRootPairing.GeckConstruction.isNilpotent_e · cited by 2GeckConstruction.isNilpot…Matrix.isNilpotent_iff_forall_row · cited by 1Matrix.isNilpotent_iff_fo…Matrix.mulVec_injective · cited by 1Matrix.mulVec_injectiveProbabilityTheory.measurePreserving_restrict₂_multivariateGaussian · cited by 1ProbabilityTheory.measure…PiToModule.fromMatrix_apply_single_one · cited by 1PiToModule.fromMatrix_app…Matrix.l2_opNorm_diagonal · cited by 1Matrix.l2_opNorm_diagonalRootPairing.Base.det_four_sub_cartanMatrix_ne_zero · cited by 0Base.det_four_sub_cartanM…Matrix.toLin'_hadamard · cited by 0Matrix.toLin'_hadamardMatrix.permMatrix_l2_opNorm_eq · cited by 0Matrix.permMatrix_l2_opNo…Matrix.SpecialLinearGroup.diag2_smul_single_i₁ · cited by 0SpecialLinearGroup.diag2_…Fintype · cited by 7736FintypeMatrix · cited by 4303MatrixMulOpposite · cited by 1135MulOppositeNonUnitalNonAssocSemiring · cited by 1081NonUnitalNonAssocSemiringMulOpposite.op · cited by 520MulOpposite.opPi.single · cited by 518Pi.singleMatrix.mulVec · cited by 267Matrix.mulVecMatrix.col · cited by 56Matrix.coldotProduct_single · cited by 2dotProduct_singleMatrix.mulVec_singleCITED BYCITES

Cites9

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

Cited by23

Results whose statement or proof uses this declaration.