Theory

General
Basis functions and collocation nodes
Perturbation Theory
Zernike Polynomial Evaluation
List of Variables
Optimizers Supported

Guides

Installation
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Performance Tips

Equilibrium Solve Tutorials

Basic Equilibrium
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Continuation method step by step
Near axis constraints
Free boundary equilibrium

Optimization Tutorials

Basic QS Optimization
Advanced QS Optimization
REGCOIL-Like Coil Optimization in DESC
Omnigenity Optimization
Bootstrap Current Self-Consistency
Stage-Two Filamentary Coil Optimization
Quadratic Flux Minimizing Surfaces
Infinite-\(n\) ideal ballooning stability optimization
Neoclassical transport and fast ions

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Equilibrium, Surfaces, and Profile classes
Objectives, Optimizers, and Grids
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Alphabetical Listing

Command Line Interface and I/O

Command Line Interface
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Developer Guides

How do we solve Equilibrium?
Collocation grids
Adding new physics quantities
Adding new objective functions
Using external codes
Adding new optimizers
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Transforms
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DESC Showcase

Publication List

DESC

Objectives, Optimizers, and Grids
desc.objectives.CoilLength
desc.objectives.CoilLength.hess
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desc.objectives.CoilLength.hess

CoilLength.hess(*args, **kwargs)Source : Compute Hessian matrix of self.compute_scalar wrt x.

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