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Orthogonal coordinates. In mathematics, orthogonal coordinates are defined as a set of d coordinates in which the coordinate hypersurfaces all meet at right angles (note that superscripts are indices, not exponents ). A coordinate surface for a particular coordinate qk is the curve, surface, or hypersurface on which qk is a constant.
In chemistry, the letter Z is used to denote the Atomic number of an element (number of protons), such as Z =3 for Lithium. In electrical engineering, Z is used to denote electrical impedance. In astronomy, z is a dimensionless quantity representing redshift. In nuclear physics, Z denotes the atomic number and. Z0.
Today, the Lithuanian alphabet consists of 32 letters. It features an unusual collation order in that "Y" occurs between I nosinė (Į) and J. While absent from the alphabet, letters Q, W and X have their place in collation order: Q is located between P and R, and W with X are preceded by letter V.
What Are the Symptoms of Kidney Failure? Urinary problems. Swelling. Shortness of breath. Fatigue. GI symptoms. Neurological symptoms. Muscle cramps.
Gmail is the email service provided by Google. As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. [1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application. Google also supports the use of third-party email ...
The backslash \ is a mark used mainly in computing and mathematics. It is the mirror image of the common slash /. It is a relatively recent mark, first documented in the 1930s. It is sometimes called a hack, whack, escape (from C / UNIX ), reverse slash, slosh, downwhack, backslant, backwhack, bash, reverse slant, reverse solidus, and reversed ...
U is used in the symbol of the World War II organization Ustaše. U is an honorific in Burmese. Related characters Ancestors, descendants and siblings. 𐤅 : Semitic letter Waw, from which the following symbols originally derive Υ υ : Greek letter Upsilon, from which U derives V v : Latin letter V, descended from U
Polarization identity. In linear algebra, a branch of mathematics, the polarization identity is any one of a family of formulas that express the inner product of two vectors in terms of the norm of a normed vector space. If a norm arises from an inner product then the polarization identity can be used to express this inner product entirely in ...