Mathematical Notation

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4 domain-specific abstractions whose origin domain is Mathematical Notation.

• Multi-index notation — A tuple-based notation that compresses repeated powers, partial derivatives and combinatorial coefficients in multivariable analysis into algebra resembling one-dimensional index formulas.
• Nabla symbol — The symbol ∇, read nabla or del, used to denote the vector differential operator whose combination with scalar and vector fields yields gradient, divergence, curl, and related coordinate-dependent expressions.
• Radical symbol — The √ notation indicating a principal square root or, with an index, an nth-root operation, whose branch and domain conventions determine the represented value.
• Set-builder notation — A symbolic notation defining a set by a variable, an optional source domain, and a predicate its members satisfy.