Class DAA, "Derivative-Augmented Array"

Class DAA, "Derivative-Augmented Array", is a general-purpose automatic differentiation engine implemented in MATLAB.

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1 oct 2025
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Kenneth Johnson (2026). Class DAA, "Derivative-Augmented Array" (https://la.mathworks.com/matlabcentral/fileexchange/74060-class-daa-derivative-augmented-array), MATLAB Central File Exchange. Recuperado .

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Inspiración para: Class mpoly (multivariate polynomial)

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Información general

Compatibilidad con la versión de MATLAB

  • Compatible con cualquier versión

Compatibilidad con las plataformas

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Versión Publicado Notas de la versión
1.4.7

Added note in Description.
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1.4.6

Fixed mldivide in DAA and DAAtensor to work properly with over-determined and under-determined equations.
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1.4.5

Bug fix in DAA.m in chain_schema
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1.4.4

efficienty improvements, new functions in DAAtensor, bug fixes in DAAtensor.taylorval and shiftdim.
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1.4.3

Bug fix in DAAtensor.set_tdim
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1.4.2

In DAA.subsref: Correct implementation to match size(A(i)) to size(i).
In DAAtensor: Minor editing of comments.
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1.4.1

In DAAtensor.ldivide - bug fix
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1.4.0

In DAA.solve, rename getGP to getGP_. (Same name in DAA.chain confuses profiler.)
DAAtensor.mean, sum, power - new methods
DAAtensor.linmapX, times, symmetric - revised implementation
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1.3.0

- Fix DAA power op to work with non-scalar power.
- DAA set_ord method: optional zero_pad argument
- DAA drepmat method: 2nd output argument
- DAA taylorval method revised; taylorshift eliminated
- Move DAA "tensor" methods into class DAAtensor.
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1.2.2

In DAA.m: Bug fix in linmapX.
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1.2.1

Note in DAA_Tutorial.mlx about corrupted Live Script display in File Exchange view.
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1.2.0

- In DAA.m:
- Bug fix, revisions in renum_s.
- Revised linmapX, taylorval, talylorshift.
- Added tensor_deriv, tensor_taylorval, tensor_linmapX.
- In DAA_Tutorial.mlx: revisions in sections 2and 6.
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1.1.0

- bug fix in DAA.deriv in DAA.m
- Added DAA.taylorshift, taylorshiftm, linmapX functions in DAA.m.
- Revised/clarified comment blocks for DAA.chain and DAA.solve in DAA.m.
- Minor revisions in DAA_Tutorial.mlx.
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1.0.5

- Allow DAA.cat arguments to be [].
- Add function besselj to illustrate DAA extension.
- Minor revisions in DAA_Tutorial.mlx.
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1.0.4

Fixed subsasgn(A,S,B) to call builtin subsasgn for the case where B is type-DAA but A is not.
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1.0.3

- Bug fix in sxrepmat.m
- In DAA.X: ord argument must be positive.
- In sxshrink.m: Allow function argument to be non-numeric.
- New utility function: cell2mat_.m (generalized cell2mat.m).
- Minor revisions in DAA_Tutorial.mlx.
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1.0.2

- Bug fix in sxrepmat.m
- In DAA.X: ord argument must be positive.
- In sxshrink.m: Allow function argument to be non-numeric.
- New utility function: cell2mat_.m (generalized cell2mat.m).
- Minor revisions in DAA_Tutorial.mlx.
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1.0.1

- Bug fix in sxrepmat.m
- In DAA.X: ord argument must be positive.
- In sxshrink.m: Allow function argument to be non-numeric.
- New utility function: cell2mat_.m (generalized cell2mat.m).
- Minor revisions in DAA_Tutorial.mlx.
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1.0.0

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