Abstract
The domain of applicability of the expressions derived in this paper is stated incorrectly. The second‐last sentence of the section “Derivation of the Field Equations” should read “Using the numerical techniques discussed by Pohanka for circumventing this problem, an expression applicable everywhere in space can be obtained.” The following sentence is incorrect and should be deleted. I thank Dr. Marion Ivan for point this error out to me. After acceptance of the paper, an article covering substantially the same material, though with a somewhat different point of view, appeared. The article is: Pohanka, V., 1998, Optimum expression for computation of the gravity field of a polyhedral body with linearly increasing density: Geophysical Prospecting, 46, 391–404. Were I aware of Dr. Pohanka’s paper, it would of course have been referenced in mine. To: “Finite‐difference solution of the eikonal equation using an efficient, first‐arrival, wavefront tracking scheme” S. Cao and S. Greenhalgh (Geophysics, 59, 635) Equation 8a is in error. The parenthetical expressions on the left should be squared to make it dimensionally correct.
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