Question

英语翻译要翻译的词汇如下：\x1e实对称矩阵,二次型,正定矩阵,半正定矩阵,负定矩阵,半负定矩阵,不定矩阵,二次曲线,二

Answer 1

保证正确无误－－－－－－－－－－－

Real symmetric matrix,

Quadratic form,

Positive definite matrix,

Positive semidefinite matrix,

Negative definite matrix,

Negative semidefinite matrix,

Indefinite matrix,

Quadratic curve,

Quadratic surface