Twice is enough method for <mml:math display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>A</mml:mi></mml:mrow><mml:mrow><mml:mi>T</mml:mi></mml:mrow></mml:msup><mml:mi>A</mml:mi></mml:mrow></mml:math> conjugate directions and for biconjugate directions

Abstract

The aim of the article is to increase the accuracy of ATAATAAAx=BBbATAATA