A train on Hanoi Metro Line 2A glides above Hoang Cau Lake at sunset. The city’s next project, the $1.3-billion Line 2, will extend the network through the Old Quarter toward Tran Hung Dao Station.
In this paper, some simple methods for the calculation of line integrals over smooth curves are considered, where an explicitly differential parametrization for the curve is either not available or is ...
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