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 4 Search space ranges and estimated parameters for Arizona (USA) vertical magnetic anomaly

Model par.	Search spaces		Estimated parameters
Model par.	Min.	Max.	Arizona data
z (m)	1	200	68.29
θ	−90	90	−50.76
A (nT m)	10	10e4	39267.31
rms (nT)			10.88
Run number at which the best solution obtained			2