Combinatory adjoints and differentiation

M Elsman, F Henglein, R Kaarsgaard… - arXiv preprint arXiv …, 2022 - arxiv.org
… their own adjoints. • We illustrate how combinatory differentiation and combinatory adjoint
… More speculatively, we believe our combinatory setting is useful for a differential and adjoint

Symplectic Runge--Kutta schemes for adjoint equations, automatic differentiation, optimal control, and more

JM Sanz-Serna - SIAM review, 2016 - SIAM
… of differential equations with respect to changes in the initial conditions leads to the introduction
of an adjoint … Of course, the idea of an adjoint problem is not restricted to differential

An efficient exact adjoint of the parallel MIT general circulation model, generated via automatic differentiation

P Heimbach, C Hill, R Giering - Future Generation Computer Systems, 2005 - Elsevier
… We describe computational aspects of automatic differentiation applied … of the cost gradient
wrt a set of controls via the adjoint technique. The … The combination of four related elements: …

Using an adjoint approach to eliminate mesh sensitivities in computational design

EJ Nielsen, MA Park - AIAA journal, 2006 - arc.aiaa.org
… an adjoint formulation for the flowfield. For a single design variable, the use of a direct mode
of differentiation to obtain the derivative of a … In combination with an adjoint procedure for the …

Don't unroll adjoint: Differentiating SSA-form programs

M Innes - arXiv preprint arXiv:1810.07951, 2018 - arxiv.org
… and compiler, and the performance characteristics that result from this combination. … for
differentiation via the J function and pullbacks, and uses these to build a system for differentiation

[BOOK][B] Automatic differentiation of algorithms: from simulation to optimization

G Corliss, C Faure, A Griewank, L Hascoet… - 2013 - books.google.com
… ) adjoints in the reverse mode, and derivative accumulation … The differentiation of these
units in combination with an inho… structure is still a real challenge for automatic differentiation. …

Recipes for adjoint code construction

R Giering, T Kaminski - ACM Transactions on Mathematical Software …, 1998 - dl.acm.org
… of adjoint variables, and the combination of the adjoint … be approximated by finite differences,
which needs at least n … the adjoint model has two advantages over finite differences: …

Adjoint and defect error bounding and correction for functional estimates

NA Pierce, MB Giles - Journal of Computational Physics, 2004 - Elsevier
Adjoint methods quantify the error in a particular output functional that results from residual
errors in approximating the solution to the partial differential … or in combination to obtain highly …

Development of the adjoint of GEOS-Chem

DK Henze, A Hakami, JH Seinfeld - Atmospheric Chemistry and …, 2007 - acp.copernicus.org
… from a combination of manually and automatically derived discrete adjoint algorithms and
nu… calculated using the adjoint model to those calculated using the finite difference method, …

A comparison of automatic differentiation and continuous sensitivity analysis for derivatives of differential equation solutions

Y Ma, V Dixit, MJ Innes, X Guo… - 2021 IEEE High …, 2021 - ieeexplore.ieee.org
differentiation. Thus efficient methods for CASA necessarily mix a reverse-mode AD into the
generated adjoint … This combination is what we define as forward-mode DSAAD, and this …