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Answers for “如何应用估计引理来界定 f(w) - f(a) 的积分?”

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The ML inequality is an estimation tool for contour integrals. It states that the absolute value of the integral of a function along a path is bounded by the supremum (maximum) of the absolute value of the function on that path, multiplied by the length of the path.

Conditions: The function is integrated along a rectifiable path.; The function is continuous on the path.

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The notation [a,z][a,z] represents the straight line segment joining the points a and z in the complex plane. It is used both as the path of integration for the contour integral and as the set over which the supremum of the function's deviation is taken.

Conditions: The points a and z are in the domain D.; The straight line segment connecting a and z lies entirely within D.