I would like to compute the determinant of a matrix involving a symbolic variable: using Symbolics I = # Identity matrix A = # Some non-trivial matrix @variables z aux = I - z * A det(aux) This webpage claims that computing determinants is possible, but I cannot find any documentation of that. D…

[image] ChrisRackauckas: using Symbolics, LinearAlgebra The key point is that the det function is exported by the LinearAlgebra package.

Symbolics.jl: Compute determinant

stevengj May 29, 2022, 1:28pm 3

The key point is that the det function is exported by the LinearAlgebra package.

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