Utils

ctgradient(f::Function, x; backend) -> Any

Return the gradient of f at x.

ctgradient(f::Function, x::Real; backend) -> Any

Return the gradient of f at x.

ctgradient(X::VectorField, x) -> Any

Return the gradient of X at x.

ctindices(i::Integer) -> String

Return i > 0 as a subscript.

ctinterpolate(x, f) -> Any

Return the interpolation of f at x.

ctjacobian(f::Function, x; backend) -> Any

Return the Jacobian of f at x.

ctjacobian(f::Function, x::Real; backend) -> Any

Return the Jacobian of f at x.

ctjacobian(X::VectorField, x) -> Any

Return the Jacobian of X at x.

ctupperscripts(i::Integer) -> String

Return i > 0 as an upperscript.