Example image of eyePlorer eyePlorer map for 'Gradient': Magnitude (mathematics) Scalar field Vector calculus Vector field Euclidean space Jacobian matrix and determinant Banach space Fréchet derivative Grade (slope) Slope Dot product Trigonometric functions Euclidean vector Directional derivative Del Differential operator Nabla symbol Partial derivative Column vector Row vector Cartesian coordinate system Cylindrical coordinate system Vector Azimuth Spherical coordinate system Function (mathematics) Linear approximation Taylor series Open set Product rule Parametric equation Covariance and contravariance Orthogonal matrix Covariance and contravariance of vectors Tensor Diffeomorphism Hypersurface Submanifold Conservative vector field Gradient theorem Line integral Atlas (topology) Inner product space Riemannian manifold Exterior derivative Musical isomorphism Adjoint state method Background Oriented Schlieren technique Cowan rail accident Diffusiphoresis