lengths of the semi-axes are both equal to the radius of the circle. The length of the semi-major axis a of an ellipse is related to the semi-minor axis's length...

described below, knowledge of the axes and the semi-axes is necessary (or equivalently: the foci and the semi-major axis). If this presumption is not...

The semi-diameters of a superellipse, superellipsoid, or superquadric can be identified in the same way. Flattening Semi-major and semi-minor axes Semiperimeter...

formula for the circumference of an ellipse in terms of the semi-major and semi-minor axes of the ellipse that uses only elementary functions. However...

} where ra and rb are the semi-major and semi-minor axes, a and b are the x and y coordinates of the centre of the ellipse, and n is a positive number...

bcyz+cazx+abxy=0{\displaystyle bcyz+cazx+abxy=0} for side lengths a, b, c. The semi-major and semi-minor axes (of a triangle with sides of length a, b, c) have lengths 13a2+b2+c2±2Z...

{\left({\frac {a+{\sqrt {a^{2}-b^{2}}}}{b}}\right)}}},} where a and b are the semi-major and semi-minor axes respectively. Hakon Wadell defined sphericity as the...

traces out an ellipse in the x-y plane. The semi-major and semi-minor axes of the ellipse have lengths A and B, respectively, that are given by A = | E...

where a {\textstyle a} , b {\textstyle b} , and c {\textstyle c} are the semi-major and semi-minor axes' length; Sphere – 4 3 π r 3 {\textstyle {\frac...

principal axes; in other words, an ellipsoid with two equal semi-diameters. A spheroid has circular symmetry. If the ellipse is rotated about its major axis...