# TDVP in ITensorInfiniteMPS.jl

**URL:** <https://itensor.discourse.group/t/tdvp-in-itensorinfinitemps-jl/1645>\
**Category:** ITensor Julia Questions\
**Created:** [April 18, 2024, 1:48pm UTC](https://itensor.discourse.group/t/tdvp-in-itensorinfinitemps-jl/1645 "2024-04-18T13:48:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![lin.zhang](https://avatars.discourse-cdn.com/v4/letter/l/e274bd/32.png) [@lin.zhang](https://itensor.discourse.group/u/lin.zhang)\
**Post date:** [April 18, 2024, 1:48pm UTC](https://itensor.discourse.group/t/tdvp-in-itensorinfinitemps-jl/1645/1 "2024-04-18T13:48:34Z")

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Hello,

Hope this finds you well. I am trying to use the tdvp\_subspace\_expansion function in ITensorInfiniteMPS.jl to study the time evolution of a uniform MPS. I’d like to ask how to set the parameters maxiter and outer\_iters. I guess both of them should be set as 1. Is this correct? It would be great if you could provide some examples to do the real time evolution. Thanks very much in advance.