Geodesic
Calculating the trajectory of a material particle in a two-dimensional (axisymmetric) conservative field
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 7, pp. 1113-1115 
A. A. Trubitsyn. Calculating the trajectory of a material particle in a two-dimensional (axisymmetric) conservative field. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 7, pp. 1113-1115. http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_7_a13/
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Voir la notice de l'article provenant de la source Math-Net.Ru

A first-order ordinary differential equation is obtained to study the motion of the trajectory of motion of a material particle in a two-dimensional (axisymmetric) conservative field. The advantages of using the proposed equation in the numerical analysis of electron-optical systems are demonstrated.

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[2] Gorelik V. A., Protopopov O. D., Trubitsyn A. A., “Poisk fokusirovki vysokogo poryadka v realnykh elektronno-opticheskikh sistemakh”, Zh. tekhn. fiz., 53:8 (1988), 1531–1534

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