• 2022-05-30 问题

    设二次型[tex=8.429x1.5]laEzR1IUAbB3F6co2ymLhc4Tm5xpwYK3+nsgsnQcCAs+bAeUWc8/IbiiMtTrCTwZ[/tex]的秩为1,A的各行元素之和为3,则f在正交变换x=Qy下的标准形为[input=type:blank,size:6][/input].

    设二次型[tex=8.429x1.5]laEzR1IUAbB3F6co2ymLhc4Tm5xpwYK3+nsgsnQcCAs+bAeUWc8/IbiiMtTrCTwZ[/tex]的秩为1,A的各行元素之和为3,则f在正交变换x=Qy下的标准形为[input=type:blank,size:6][/input].

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