Geodesic
On the calculation of the closest matrix with a triple zero eigenvalue
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 44 (2004) no. 12, pp. 2115-2120 Cet article a éte moissonné depuis la source Math-Net.Ru

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Kh. D. Ikramov; A. M. Nazari. On the calculation of the closest matrix with a triple zero eigenvalue. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 44 (2004) no. 12, pp. 2115-2120. http://geodesic.mathdoc.fr/item/ZVMMF_2004_44_12_a0/

[1] Ikramov Kh. D., Nazari A. M., “O rasstoyanii do blizhaishei matritsy s troinym sobstvennym znacheniem nul”, Matem. zametki, 73:4 (2003), 545–555 | MR | Zbl

[2] Ikramov Kh. D., Nazari A. M., “Normalnye matritsy i obobschenie formuly Malysheva”, Matem. zametki, 75:5 (2004), 652–662 | MR | Zbl

[3] Ikramov Kh. D., Zadachnik po lineinoi algebre, Nauka, M., 1975 | MR

[4] Ikramov Kh. D., Nazari A. M., “Vychislitelnye aspekty primeneniya formuly Malysheva”, Zh. vychisl. matem. i matem. fiz., 44:1 (2004), 3–7 | MR | Zbl

[5] Malyshev A. N., “A formula for the 2-norm distance from a matrix to the set of matrices with multiple eigenvalues”, Numer. Math., 83 (1999), 443–454 | DOI | MR | Zbl