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  2. Orthonormality - Wikipedia

    en.wikipedia.org/wiki/Orthonormality

    This is possibly the most significant use of orthonormality, as this fact permits operators on inner-product spaces to be discussed in terms of their action on the space's orthonormal basis vectors. What results is a deep relationship between the diagonalizability of an operator and how it acts on the orthonormal basis vectors.

  3. Orthonormal basis - Wikipedia

    en.wikipedia.org/wiki/Orthonormal_basis

    [1] [2] [3] For example, the standard basis for a Euclidean space is an orthonormal basis, where the relevant inner product is the dot product of vectors. The image of the standard basis under a rotation or reflection (or any orthogonal transformation ) is also orthonormal, and every orthonormal basis for R n {\displaystyle \mathbb {R} ^{n ...

  4. Occupational therapy - Wikipedia

    en.wikipedia.org/wiki/Occupational_therapy

    Occupational therapy is based on the assumption that being active is a basic human need and that purposeful activity has a health-promoting and therapeutic effect. Occupational science the study of humans as 'doers' or 'occupational beings' was developed by inter-disciplinary scholars, including occupational therapists, in the 1980s.

  5. Orthogonality (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Orthogonality_(mathematics)

    For example, the y-axis is normal to the curve = at the origin. However, normal may also refer to the magnitude of a vector. In particular, a set is called orthonormal (orthogonal plus normal) if it is an orthogonal set of unit vectors. As a result, use of the term normal to mean "orthogonal" is often avoided.

  6. Stiefel manifold - Wikipedia

    en.wikipedia.org/wiki/Stiefel_manifold

    Let stand for ,, or . The Stiefel manifold () can be thought of as a set of n × k matrices by writing a k-frame as a matrix of k column vectors in . The orthonormality condition is expressed by A*A = where A* denotes the conjugate transpose of A and denotes the k × k identity matrix.

  7. Inner product space - Wikipedia

    en.wikipedia.org/wiki/Inner_product_space

    For example, if = with inner product , = ¯, where is a vector space over the field , then = is a vector space over and , is the dot product, where = + = is identified with the point (,) = (and similarly for ); thus the standard inner product , = ¯, on is an "extension" the dot product .

  8. Non-exercise activity thermogenesis - Wikipedia

    en.wikipedia.org/wiki/Non-exercise_activity...

    Non-exercise activity thermogenesis (NEAT), also known as non-exercise physical activity (NEPA), [1] is energy expenditure during activities that are not part of a structured exercise program. NEAT includes physical activity at the workplace, hobbies, standing instead of sitting, walking around, climbing stairs, doing chores, and fidgeting .

  9. Exercise physiology - Wikipedia

    en.wikipedia.org/wiki/Exercise_physiology

    The basis of Exercise Physiology as a major is to prepare students for a career in the field of health sciences. A program that focuses on the scientific study of the physiological processes involved in physical or motor activity, including sensorimotor interactions, response mechanisms, and the effects of injury, disease, and disability.