When I do optimization calculations with the Optim package, an error occurred. The type of A1,A2,A3,A4 is ::Array{Complex{Float64},2}. I don’t know how to solve it. Is there a way to make optimize() support this type?Or what data type can replace this type and serve as optimize()? [image]

Optim: MethodError: no method matching zero

Tamas_Papp August 18, 2020, 2:08pm 2

Please don’t post screenshots, and include an MWE.

Topic		Replies	Views
Multivariable optimization of matrices with "no method matching zero(::Type{Matrix{Float64}})" Optimization (Mathematical) question , optim	4	62	November 4, 2024
Does Optim not support function optimization with matrix variables? General Usage question , optim , optimization	14	2440	October 10, 2020
optim arguments: higher dimensional arrays and gradient specification Optimization (Mathematical) question , optim , optimization	10	2294	January 26, 2018
Error optimizing using autodifferentation General Usage package , differentiation , optimization	7	1081	April 23, 2020
Strange errors occurred when I optimized with Zygote and Optim General Usage optim , zygote	3	758	October 4, 2020