Scalar and element-wise arithmetic functions (abs, sqrt, pow, exp, log, etc.).
Symbolic automatic differentiation (Jacobian, gradient, Hessian, sensitivity analysis).
Numerical differentiation and integration (gradient, trapz, cumtrapz, diff).
Finite difference weights, derivative approximations, and integration defects.
Discrete integration and squared-curvature computation from sampled data.
ODE integration for Janus framework.
Single-step explicit ODE integrators for Janus framework.
N-dimensional interpolation (linear, Hermite, B-spline, nearest).
Linear algebra operations (solve, inverse, determinant, eigendecomposition, norms).
Conditional selection, comparison, and logical operations.
Orthogonal polynomial evaluation, spectral nodes, weights, and differentiation matrices.
Polynomial chaos expansion (PCE) basis, projection, and regression.
Stochastic quadrature rules (Gauss, Clenshaw-Curtis, Smolyak sparse grids).
Quaternion algebra, rotation, and SLERP interpolation.
Nonlinear root finding and implicit function solvers.
2D and 3D rotation matrices and Euler angle conversions
RBF-based interpolation for unstructured scattered data.
Point distribution generators (linspace, cosine, sine, log, geometric).
Smooth surrogate functions (softmax, softmin, softplus, sigmoid, blend, KS aggregation).
Trigonometric and inverse trigonometric functions.