no code implementations • 7 Feb 2024 • Koki Okajima, Takashi Takahashi
This study investigates the asymptotic dynamics of alternating minimization applied to optimize a bilinear non-convex function with normally distributed covariates.
no code implementations • 25 Feb 2023 • Koki Okajima, Xiangming Meng, Takashi Takahashi, Yoshiyuki Kabashima
The obtained bound for perfect support recovery is a generalization of that given in previous literature, which only considers the case of Gaussian noise and diverging $d$.
no code implementations • 1 May 2021 • Koki Okajima, Yoshiyuki Kabashima
We develop a message-passing algorithm for noisy matrix completion problems based on matrix factorization.