第 33878 題：梯度向量

原題與已知條件

fixed standard Euclidean coordinates中的完整ordered gradient vector。操作=graddeep-negative-direction；明示資料={"gradient":[3,-3]}；請依 exact_ordered_tuple_declared_by_interface 回答。

• G001 — fixed standard Euclidean coordinates中的完整ordered gradient vector。操作=graddeep-negative-direction；明示資料={"gradient":[3,-3]}；請依 exact_ordered_tuple_declared_by_interface 回答。

定義與適用範圍

沿用原題明示的論域、假設與來源 MKO 定義。本題已完成第二對話數理與中英語義覆核，並由原始參數逐題獨立重算模型、答案與每個算術步驟；原題仍為 candidate。

• mko-gradient-vector

逐步推導

source roles = [qf-mod50-graddeep-negative-direction, [domain, gradient, operation]]

derived = [graddeep-negative-direction, Exact_gradient_vector_density]

source roles = [negative direction ORIGINAL gradient raw coordinate0, 100000000, 3, 1]

derived = [[3, 1], 3]

negative direction ORIGINAL gradient raw coordinate0 ORIGINAL numerator over denominator := div(3, 1)

negative direction ORIGINAL gradient raw coordinate0 ORIGINAL numerator over denominator = 3

source roles = [negative direction ORIGINAL gradient raw coordinate1, 100000000, -3, 1]

derived = [[-3, 1], -3]

negative direction ORIGINAL gradient raw coordinate1 ORIGINAL numerator over denominator := div(-3, 1)

negative direction ORIGINAL gradient raw coordinate1 ORIGINAL numerator over denominator = -3

source roles = [negative direction ORIGINAL gradient, [3, -3]]

derived = [[3, -3]]

source roles = [Negative gradient coordinate0 SOURCE naive mul, 100000000, -3, 1]

derived = [[-3, 1], -3]

Negative gradient coordinate0 SOURCE naive mul ORIGINAL numerator over denominator := div(-3, 1)

Negative gradient coordinate0 SOURCE naive mul ORIGINAL numerator over denominator = -3

Negative gradient coordinate0 ORIGINAL rational mul := mul(-1, 3)

Negative gradient coordinate0 ORIGINAL rational mul = -3

source roles = [Negative gradient coordinate1 SOURCE naive mul, 100000000, 3, 1]

derived = [[3, 1], 3]

Negative gradient coordinate1 SOURCE naive mul ORIGINAL numerator over denominator := div(3, 1)

Negative gradient coordinate1 SOURCE naive mul ORIGINAL numerator over denominator = 3

Negative gradient coordinate1 ORIGINAL rational mul := mul(-1, -3)

Negative gradient coordinate1 ORIGINAL rational mul = 3

source roles = [negative direction inner product product0 SOURCE naive mul, 100000000, -9, 1]

derived = [[-9, 1], -9]

negative direction inner product product0 SOURCE naive mul ORIGINAL numerator over denominator := div(-9, 1)

negative direction inner product product0 SOURCE naive mul ORIGINAL numerator over denominator = -9

negative direction inner product product0 ORIGINAL rational mul := mul(3, -3)

negative direction inner product product0 ORIGINAL rational mul = -9

source roles = [negative direction inner product prefix0 SOURCE naive sum, 100000000, -9, 1]

derived = [[-9, 1], -9]

negative direction inner product prefix0 SOURCE naive sum ORIGINAL numerator over denominator := div(-9, 1)

negative direction inner product prefix0 SOURCE naive sum ORIGINAL numerator over denominator = -9

negative direction inner product prefix0 ORIGINAL rational sum := sum(0, -9)

negative direction inner product prefix0 ORIGINAL rational sum = -9

source roles = [negative direction inner product product1 SOURCE naive mul, 100000000, -9, 1]

derived = [[-9, 1], -9]

negative direction inner product product1 SOURCE naive mul ORIGINAL numerator over denominator := div(-9, 1)

negative direction inner product product1 SOURCE naive mul ORIGINAL numerator over denominator = -9

negative direction inner product product1 ORIGINAL rational mul := mul(-3, 3)

negative direction inner product product1 ORIGINAL rational mul = -9

source roles = [negative direction inner product prefix1 SOURCE naive sum, 100000000, -18, 1]

derived = [[-18, 1], -18]

negative direction inner product prefix1 SOURCE naive sum ORIGINAL numerator over denominator := div(-18, 1)

negative direction inner product prefix1 SOURCE naive sum ORIGINAL numerator over denominator = -18

negative direction inner product prefix1 ORIGINAL rational sum := sum(-9, -9)

negative direction inner product prefix1 ORIGINAL rational sum = -18

source roles = [negative direction inner product, [3, -3], [-3, 3]]

derived = [-18]

source roles = [negative direction norm squared product0 SOURCE naive mul, 100000000, 9, 1]

derived = [[9, 1], 9]

negative direction norm squared product0 SOURCE naive mul ORIGINAL numerator over denominator := div(9, 1)

negative direction norm squared product0 SOURCE naive mul ORIGINAL numerator over denominator = 9

negative direction norm squared product0 ORIGINAL rational mul := mul(3, 3)

negative direction norm squared product0 ORIGINAL rational mul = 9

source roles = [negative direction norm squared prefix0 SOURCE naive sum, 100000000, 9, 1]

derived = [[9, 1], 9]

negative direction norm squared prefix0 SOURCE naive sum ORIGINAL numerator over denominator := div(9, 1)

negative direction norm squared prefix0 SOURCE naive sum ORIGINAL numerator over denominator = 9

negative direction norm squared prefix0 ORIGINAL rational sum := sum(0, 9)

negative direction norm squared prefix0 ORIGINAL rational sum = 9

source roles = [negative direction norm squared product1 SOURCE naive mul, 100000000, 9, 1]

derived = [[9, 1], 9]

negative direction norm squared product1 SOURCE naive mul ORIGINAL numerator over denominator := div(9, 1)

negative direction norm squared product1 SOURCE naive mul ORIGINAL numerator over denominator = 9

negative direction norm squared product1 ORIGINAL rational mul := mul(-3, -3)

negative direction norm squared product1 ORIGINAL rational mul = 9

source roles = [negative direction norm squared prefix1 SOURCE naive sum, 100000000, 18, 1]

derived = [[18, 1], 18]

negative direction norm squared prefix1 SOURCE naive sum ORIGINAL numerator over denominator := div(18, 1)

negative direction norm squared prefix1 SOURCE naive sum ORIGINAL numerator over denominator = 18

negative direction norm squared prefix1 ORIGINAL rational sum := sum(9, 9)

negative direction norm squared prefix1 ORIGINAL rational sum = 18

source roles = [negative direction norm squared, [3, -3], [3, -3]]

derived = [18]

source roles = [[3, -3]]

derived = [[-3, 3], -18, 18, 是]

逐步反向核對

• S039 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S038 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S037 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared prefix1 ORIGINAL rational sum，不以小數近似替代。
• S036 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared prefix1 SOURCE naive sum ORIGINAL numerator over denominator，不以小數近似替代。
• S035 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S034 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared product1 ORIGINAL rational mul，不以小數近似替代。
• S033 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared product1 SOURCE naive mul ORIGINAL numerator over denominator，不以小數近似替代。
• S032 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S031 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared prefix0 ORIGINAL rational sum，不以小數近似替代。
• S030 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared prefix0 SOURCE naive sum ORIGINAL numerator over denominator，不以小數近似替代。
• S029 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S028 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared product0 ORIGINAL rational mul，不以小數近似替代。
• S027 · premise_and_result_audit — 以精確有理數重算 negative direction norm squared product0 SOURCE naive mul ORIGINAL numerator over denominator，不以小數近似替代。
• S026 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S025 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S024 · premise_and_result_audit — 以精確有理數重算 negative direction inner product prefix1 ORIGINAL rational sum，不以小數近似替代。
• S023 · premise_and_result_audit — 以精確有理數重算 negative direction inner product prefix1 SOURCE naive sum ORIGINAL numerator over denominator，不以小數近似替代。
• S022 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S021 · premise_and_result_audit — 以精確有理數重算 negative direction inner product product1 ORIGINAL rational mul，不以小數近似替代。
• S020 · premise_and_result_audit — 以精確有理數重算 negative direction inner product product1 SOURCE naive mul ORIGINAL numerator over denominator，不以小數近似替代。
• S019 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S018 · premise_and_result_audit — 以精確有理數重算 negative direction inner product prefix0 ORIGINAL rational sum，不以小數近似替代。
• S017 · premise_and_result_audit — 以精確有理數重算 negative direction inner product prefix0 SOURCE naive sum ORIGINAL numerator over denominator，不以小數近似替代。
• S016 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S015 · premise_and_result_audit — 以精確有理數重算 negative direction inner product product0 ORIGINAL rational mul，不以小數近似替代。
• S014 · premise_and_result_audit — 以精確有理數重算 negative direction inner product product0 SOURCE naive mul ORIGINAL numerator over denominator，不以小數近似替代。
• S013 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S012 · premise_and_result_audit — 以精確有理數重算 Negative gradient coordinate1 ORIGINAL rational mul，不以小數近似替代。
• S011 · premise_and_result_audit — 以精確有理數重算 Negative gradient coordinate1 SOURCE naive mul ORIGINAL numerator over denominator，不以小數近似替代。
• S010 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S009 · premise_and_result_audit — 以精確有理數重算 Negative gradient coordinate0 ORIGINAL rational mul，不以小數近似替代。
• S008 · premise_and_result_audit — 以精確有理數重算 Negative gradient coordinate0 SOURCE naive mul ORIGINAL numerator over denominator，不以小數近似替代。
• S007 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S006 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S005 · premise_and_result_audit — 以精確有理數重算 negative direction ORIGINAL gradient raw coordinate1 ORIGINAL numerator over denominator，不以小數近似替代。
• S004 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S003 · premise_and_result_audit — 以精確有理數重算 negative direction ORIGINAL gradient raw coordinate0 ORIGINAL numerator over denominator，不以小數近似替代。
• S002 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。
• S001 · premise_and_result_audit — 反向核對本步原始角色、完整前提與欄序；只接受這些條件下的結論，不把單向結論還原為唯一前提，也不把有限核對稱一般形式證明。

結論

([3, -3], [-3, 3], -18, 18, 是, negative_gradient_has_strictly_negative_directional_inner_product_at_a_nonstationary_point)

依上列完整代值及條件核對得到原題答案；原題編號、格式與狀態保持不變。

本題覆核與來源綁定

覆核日期：2026-10-26

原題、答案、步驟表達式、數值 AST 與既有歷史保持原樣；原來的候選狀態屬於來源歷史，不覆寫為形式化證明。