Lampoon 发表于 2025-3-21 18:10:42

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byline 发表于 2025-3-21 20:55:14

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格子架 发表于 2025-3-22 01:11:22

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CHOKE 发表于 2025-3-22 07:44:24

The Solution of a System of Equations: the Regular Case,be written as.where the vectors have been written as columns, instead of rows as in ch. I. This way of writing the equations puts the problem in a different light. To solve this vector equation is to express the vector on the right as a linear combination of the two vectors on the left.

Gossamer 发表于 2025-3-22 09:42:54

Matrices,t write the system as.where we have replaced the constants . on the right by variables. If we take .=(.,….)′ and . = (.,….)′ to be column-vectors, we may regard the set of coefficients (.) in as an operator which acts on . to produce ..

垄断 发表于 2025-3-22 16:36:09

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艰苦地移动 发表于 2025-3-22 18:18:26

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自恋 发表于 2025-3-23 00:07:05

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使入迷 发表于 2025-3-23 02:15:03

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暴发户 发表于 2025-3-23 09:26:25

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查看完整版本: Titlebook: Linear Equations; P. M. Cohn Book 1958 P. M. Cohn 1958 evaluation.mathematics.media.nature.network.quality.system