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Cothromóidí Euler-Lagrange
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Sraith cothromóidí a leagann síos an gaol idir spleáchas fheidhm Lagrange ar luas, am is spás. Ainmnithe as Leonhard Euler is Joseph-Louis Lagrange, agus tugtar cothromóidí Lagrange orthu freisin. Más eol feidhm Lagrange don chóras, is iad cothromóidí Euler-Lagrange cothromóidí gluaisne an chórais sin. Bunúsach san ardmheicnic.[1]
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