Last Updated
：2025/12/05
stationary phase approximation
Noun
Japanese Meaning
数学の漸近解析における手法で、急速に変化する位相を持つ三角関数（正弦波）のキャンセル効果を利用し、主に定常点周辺で寄与する項を抽出して近似解を求める方法。
（ plural ）
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(mathematics) A principle of asymptotic analysis that relies on the cancellation of sinusoids with rapidly varying phase.
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stationary phase approximation
When evaluating integrals with rapidly oscillating integrands, physicists often invoke the stationary phase approximation to estimate the leading contributions.
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When evaluating integrals with rapidly oscillating integrands, physicists often invoke the stationary phase approximation to estimate the leading contributions.
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