Hi, I just updated the ITensors package to the latest version. When I re-run the code which worked well with an older version, it returns an error ERROR: UndefVarError: `MPS` not defined where I define the type of a variable is MPS. I also tried an example code, but it returns a similar error ju…

MPS and siteinds have moved to ITensorMPS, have you loaded that package? julia> using ITensors julia> s = siteinds("S=1/2", 5) ERROR: UndefVarError: `siteinds` not defined in `Main` Suggestion: check for spelling errors or missing imports. Stacktrace: [1] top-level scope @ REPL[3]:1 julia> us…

Oh I didn’t add the package ITensorMPS. After using it, the code works now! Thank you! Will check the news more frequently… Also thanks for reminding me this!

UndefVarError after Updating to the Latest Version

ITensor Julia Questions

mtfishman November 7, 2024, 12:49pm 4

It was announced here: [ANN] ITensors.jl v0.7 breaking release (MPS/MPO code moved to ITensorMPS.jl) and also here: Introduction · ITensors.jl.

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UndefVarError after Updating to the Latest Version

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