Covariance function determination using the genetic algorithm in local Earth’s gravity field modeling using Least-Square Collocation

Shayan Kamali Lima, School of Surveying and Geospatial Engineering, College of Engineering, University of Tehran, Tehran, Iran, Mohsen Ansari, University of Ottawa, Department of Geography, Environment and Geomatics, Ottawa, Canada, Abdoreza Safari, University of Tehran, School of Surveying and Geomatics Engineering, Faculty of Engineering, Tehran, Iran and Sabah Ramouz, University of Tehran, School of Surveying and Geospatial Engineering, College of Engineering, Tehran, Iran