著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ota Ryo and Hasegawa Hidehiko,Predicting the convergence of BiCG method from grayscale matrix images,JSIAM Letters,1883-0609,一般社団法人 日本応用数理学会,2020,12,0,45-48,https://cir.nii.ac.jp/crid/1390566775155781120,https://doi.org/10.14495/jsiaml.12.45