The minimum angular difference; an objective criterion for selection of the best option in the direct linear inversion method

Deepak Chandra Srivastava, Indian Institute of Technology Roorkee, Roorkee, India, Kartik Bhatnagar, Indian Institute of Technology Roorkee, Earth Sciences, Roorkee, India and Pravin Kumar Gupta, Indian Institute of Technology, Earth Sciences, Roorkee, India