bug fixing in juobs_linalg

src/juobs_linalg.jl

@@ -257,7 +257,7 @@ mat_array = get_matrix(diag, upper_diag)
 evecs = getall_eigvecs(mat_array, 5)
 ```
 """
-function getall_eigvecs(a::Vector{Matrix}, delta_t; iter=30)
+function getall_eigvecs(a::Vector{Matrix{uwreal}}, delta_t; iter=30)
     n = length(a)-delta_t
     res = Vector{Matrix{uwreal}}(undef, n)
     [res[i] = uweigvecs(a[i+delta_t], a[i]) for i=1:n]