MATLAB-based algorithm to estimate depths of isolated thin dike-like sources using higher-order horizontal derivatives of magnetic anomalies

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Table 2 Search space ranges and estimated parameters for synthetic magnetic anomalies

Model par.	True values	Search spaces		Estimated parameters
Model par.	True values	Min.	Max.	Noise-free data	Noisy data
z (m)	6	1	20	6.04	6.11
θ	−35	−90	90	−35.23	−36.23
A (nT m)	1000	10	10e3	1004.84	1015.97
rms (nT)				0.30	2.44
Run number at which the best solution obtained				2	1