英语词汇“first polar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

first polar

Mathematics

noun

A curve of degree n related to a given curve C of degree n + 1 and a point P by containing every point of C whose tangent passes through P.

Usually called simply a polar. The first polar of a circle is a straight line: compare polar. In mathematical terms: (of a point (a ₀, a ₁,…a_n) with respect to a curve described by the homogeneous function f(x ₀, x ₁,…x _n) = 0) the curve represented by the equation Σ_i a _i ∂f/∂x _i = 0..

Mid 19th century; earliest use found in Augustus De Morgan (1806–1871), mathematician and historian.

单词	first polar
释义	first polar Mathematics noun A curve of degree n related to a given curve C of degree n + 1 and a point P by containing every point of C whose tangent passes through P. Usually called simply a polar. The first polar of a circle is a straight line: compare polar. In mathematical terms: (of a point (a ₀, a ₁,…a_n) with respect to a curve described by the homogeneous function f(x ₀, x ₁,…x _n) = 0) the curve represented by the equation Σ_i a _i ∂f/∂x _i = 0.. Origin Mid 19th century; earliest use found in Augustus De Morgan (1806–1871), mathematician and historian.
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