### 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}
}