Download

SISMatlab is distributed under the terms of the GNU General Public License 3.0

Matlab files

`SISMatlab.zip`	—	zip file containing `SISMatlab` functions

Documentation

`SISMatlab.pdf`	—	description of the spectral integration method and Matlab routines

Description of user-level functions

SISMatlab.pdf provides an in-depth description of SISMatlab features.

`sisSolves.m`	—	solution to a forced two-point boundary value problem (TPBVP)
`sisEigs.m`	—	eigenvalue decomposition of an operator that can be represented by a TPBVP
`sisSvdfrs.m`	—	singular value decomposition of the frequency response operator that can be represented by a TPBVP
`sisHinf.m`	—	\(H_\infty\) norm of a stable linear system that can be represented by a TPBVP

Citation

If you use SISMatlab in your research or teaching, please cite our paper:

@article{harkumjovJCP20,
author  = {G. Hariharan and S. Kumar and M. R. Jovanovi\'c},
title   = {Well-conditioned ultraspherical and spectral integration methods for
resolvent analysis of channel flows of {N}ewtonian and viscoelastic fluids},
journal = {J. Comput. Phys.},
year    = {2020},
note    = {submitted; also arXiv:2005.04493},
pdf     = {https://arxiv.org/abs/2005.04493}
}