A vector eld is known as conservative if it can be expressed as this operation of another eld.
This operation, when applied to a one-form, gives a result described by the comma derivative. The conjugate this method, an algorithm for nding the local minima of a function, is only possible if this operation can be computed. The convective operator is de ned as a product of a vector eld and the symbol for this operation. The symbol used to describe this operation, when squared, instead describes the Laplacian; that symbol is known as nabla . A vector eld is known as conservative if it can be expressed as this operation of another eld. For ten points, identify this operation from multivariable calculus, which expresses the slope of a multidimensional scalar eld and is symbolized with an upside-down delta. 
This operation, when applied to a one-form, gives a result described by the comma derivative.
gradient [accept nabla before read, accept del] 