Polynomial Regression on Riemannian Manifolds
Polynomial Regression on Riemannian Manifolds
Polynomial Regression on Riemannian Manifolds
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Now do the same with another term T i<br />
d<br />
ds T i(γ s )| s=0 = d ds<br />
=<br />
∫ T<br />
0<br />
= 0 +<br />
= 0 +<br />
∫ T<br />
0<br />
〈λ i , ∇ ˙γ v i 〉dt<br />
〈∇ W λ i , ∇ ˙γ v i 〉 + 〈λ i , ∇ W ∇ ˙γ v i 〉dt<br />
∫ T<br />
0<br />
∫ T<br />
0<br />
〈λ i , ∇ ˙γ ∇ W v i + R(W, ˙γ)v i 〉dt<br />
〈R(λ i , v i ) ˙γ, W 〉dt<br />
where we used Bianchi identities to rearrange the curvature<br />
term. So<br />
δ γ(t) T i = R(λ i , v i ) ˙γ<br />
<str<strong>on</strong>g>Polynomial</str<strong>on</strong>g> <str<strong>on</strong>g>Regressi<strong>on</strong></str<strong>on</strong>g> <strong>on</strong> <strong>Riemannian</strong> <strong>Manifolds</strong> 14