MathCastle
Linear AlgebraEasySingular Values & the SVD

Singular Values & the SVD · Easy problem

A grayscale image is stored as a 100×80100\times 80 matrix. It is compressed by keeping only the first 55 terms σiuiviT\sigma_iu_iv_i^{T} of its SVD, storing each σi\sigma_i, uiu_i and viv_i. How many numbers are stored in total?