The Cambridge mathematical journal, Volume 41845 |
Common terms and phrases
a₁ angles apply arbitrary constants assume asymptotes axes axis becomes c²x² centre of gravity co-ordinates coefficients condition conic section considered cos² curve deduced degree denote determine differential equation dR dR dt dt dt dx dy eccentric anomalies ellipsoid equal exact differential expression finite formula given Hence homogeneous function integral intersect isothermal Journal limits lines of curvature magic square magnet method molecules motion Multiply negative obtained orthogonal paper partial differential equations perpendicular plane positive quantities respectively result roots satisfied second order substituting suppose surface surfaces of revolution system of equations tangent theorem transformation values variables velocity whence x₁ Y₁ zero αλ ΣΣ