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Freepik (stylized as FREEP!K) is an image bank website.Content produced and distributed by the online platform includes photographs, illustrations and vector images. The platform distributes its content under a freemium model, which means that users can access much of the content for free, but it is also possible to purchase a subscription with advantages such as access to more exclusive ...
v. t. e. Word2vec is a technique in natural language processing (NLP) for obtaining vector representations of words. These vectors capture information about the meaning of the word based on the surrounding words. The word2vec algorithm estimates these representations by modeling text in a large corpus. Once trained, such a model can detect ...
Viral vector. A 2021 U.S. Centers for Disease Control and Prevention poster on the COVID-19 viral vector vaccines. Viral vectors are modified viruses designed to deliver genetic material into cells. This process can be performed inside an organism or in cell culture.
Euclidean vector. In mathematics, physics, and engineering, a Euclidean vector or simply a vector (sometimes called a geometric vector[ 1] or spatial vector[ 2]) is a geometric object that has magnitude (or length) and direction. Euclidean vectors can be added and scaled to form a vector space. A Euclidean vector is frequently represented by a ...
In mathematics and physics, a vector space (also called a linear space) is a set whose elements, often called vectors, can be added together and multiplied ("scaled") by numbers called scalars. Scalars are often real numbers, but can be complex numbers or, more generally, elements of any field. The operations of vector addition and scalar ...
Basis (linear algebra) The same vector can be represented in two different bases (purple and red arrows). In mathematics, a set B of vectors in a vector space V is called a basis ( pl.: bases) if every element of V may be written in a unique way as a finite linear combination of elements of B. The coefficients of this linear combination are ...
Darboux vector. In differential geometry, especially the theory of space curves, the Darboux vector is the angular velocity vector of the Frenet frame of a space curve. [1] It is named after Gaston Darboux who discovered it. [2] It is also called angular momentum vector, because it is directly proportional to angular momentum .
Unit vector. In mathematics, a unit vector in a normed vector space is a vector (often a spatial vector) of length 1. A unit vector is often denoted by a lowercase letter with a circumflex, or "hat", as in (pronounced "v-hat"). The term direction vector, commonly denoted as d, is used to describe a unit vector being used to represent spatial ...