The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
From inside the book
Results 1-3 of 82
Page 477
... tion ( 234 ) ; this will , of course , involve a second arbitrary constant c2 . This equation ( 254 ) is called a first inte- gral of the original second - order equation . The equation py " + qy ' + ry = 0 is exact if , and only if , p ...
... tion ( 234 ) ; this will , of course , involve a second arbitrary constant c2 . This equation ( 254 ) is called a first inte- gral of the original second - order equation . The equation py " + qy ' + ry = 0 is exact if , and only if , p ...
Page 497
... tion of the first kind ) , which can be expressed as a power series in powers of t / 2 ( see 473 ) . J , ( t ) is the Bessel func- tion of order v . Such functions were used by the German astronomer Friedrich Wilhelm Bessel in the 19th ...
... tion of the first kind ) , which can be expressed as a power series in powers of t / 2 ( see 473 ) . J , ( t ) is the Bessel func- tion of order v . Such functions were used by the German astronomer Friedrich Wilhelm Bessel in the 19th ...
Page 512
L-Z. CALCULUS OF VARIATIONS Determina- tion of a minimizing Tonelli's methods Bernard Riemann The Plateau problem Fourier's contribu- tion. Spinor groups them . A particular one of them covers the other ; that is , maps homomorphically ...
L-Z. CALCULUS OF VARIATIONS Determina- tion of a minimizing Tonelli's methods Bernard Riemann The Plateau problem Fourier's contribu- tion. Spinor groups them . A particular one of them covers the other ; that is , maps homomorphically ...
Other editions - View all
Common terms and phrases
20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe