In the neumann series there is a condition for approximate matrix inverse. Is the infinite limit of a matrix should be a matrix or a vector?

Sherief Hashima @Sherief_Hashima

12 December 2018 0 10K Report

for Neumann series there is approximate matrix inverse which is

W−1 =

+∞

∑

𝑛=0

(I𝐾 − ΘW)𝑛 Θ,

based on the condition

lim 𝑛→∞

(I𝐾 − ΘW)𝑛 = 0𝐾

this 0k is a zero vector of length k or kxk zero matrix?

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