① <img class=jc-formula data-tex=A+{ A }^{ T }\quad src=https://huaweicloudobs.ahjxjy.cn/E8E44E3D91733E61D1AAACA8DF0137FA.png style=vertical-align: middle;/>
② <img class=jc-formula data-tex=A{ A }^{ T }\quad src=https://huaweicloudobs.ahjxjy.cn/C1C3373CBFF9195C3C062F0C4C00B832.png style=vertical-align: middle;/>
③ <img class=jc-formula data-tex=A-{ A }^{ T }\quad src=https://huaweicloudobs.ahjxjy.cn/560CE8F0003F4EC4E0D71FB37F459F38.png style=vertical-align: middle;/>
④ <img class=jc-formula data-tex={ A }^{ T }A\quad \quad src=https://huaweicloudobs.ahjxjy.cn/AA6CA794CCBFD4DCFA39C7AA056FEC7F.png style=vertical-align: middle;/>
① <SPANstyle="FONT-SIZE:10.5pt;FONT-FAMILY:宋体;mso-bidi-font-size:12.0pt;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-ascii-font-family:TimesNewRoman;mso-hansi-font-family:TimesNewRoman;mso-bidi-font-family:TimesNewRoman">A与B</SPAN><SPANlang=EN-USstyle="FONT-SIZE:10.5pt;FONT-FAMILY:TimesNewRoman;mso-bidi-font-size:12.0pt;mso-fareast-font-family:宋体;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA"><SPANstyle="POSITION:relative;TOP:2pt;mso-text-raise:-2.0pt"></SPAN></SPAN><SPANstyle="FONT-SIZE:10.5pt;FONT-FAMILY:宋体;mso-bidi-font-size:12.0pt;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-ascii-font-family:TimesNewRoman;mso-hansi-font-family:TimesNewRoman;mso-bidi-font-family:TimesNewRoman">相似的充要条件是存在可逆阵P</SPAN><SPANstyle="FONT-SIZE:10.5pt;FONT-FAMILY:宋体;mso-bidi-font-size:12.0pt;mso-font-kerning:1.0pt;mso-ansi-language:EN-US;mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-ascii-font-family:TimesNewRoman;mso-hansi-font-family:TimesNewRoman;mso-bidi-font-family:TimesNewRoman">,使得A=P<SUP>-1</SUP>BP</SPAN>