From e7a64d6315b57f09603b0ce94c3ebc6e06015bf3 Mon Sep 17 00:00:00 2001
From: odunbar <odunbar@caltech.edu>
Date: Fri, 3 Nov 2023 13:58:31 -0700
Subject: [PATCH] typo fix

compat with v1.1.4 EKP
---
 src/ScalarRandomFeature.jl |  2 +-
 src/Utilities.jl           | 28 ----------------------------
 2 files changed, 1 insertion(+), 29 deletions(-)

diff --git a/src/ScalarRandomFeature.jl b/src/ScalarRandomFeature.jl
index 4c2fdb22d..05a9c9987 100644
--- a/src/ScalarRandomFeature.jl
+++ b/src/ScalarRandomFeature.jl
@@ -394,7 +394,7 @@ function build_models!(
         accelerator = optimizer_options["accelerator"]
 
         initial_params = construct_initial_ensemble(rng, prior, n_ensemble)
-        min_complexity = log(regularization.λ)
+        min_complexity = n_features_opt * log(regularization.λ)
         min_complexity = sqrt(abs(min_complexity))
         data = vcat(get_outputs(io_pairs_opt)[(n_train + 1):end], 0.0, min_complexity)
         ekiobj = EKP.EnsembleKalmanProcess(
diff --git a/src/Utilities.jl b/src/Utilities.jl
index e1a625892..ca937c1a8 100644
--- a/src/Utilities.jl
+++ b/src/Utilities.jl
@@ -14,7 +14,6 @@ export get_training_points
 export get_obs_sample
 export orig2zscore
 export zscore2orig
-export posdef_correct
 """
 $(DocStringExtensions.TYPEDSIGNATURES)
 
@@ -120,31 +119,4 @@ function zscore2orig(Z::AbstractMatrix{FT}, mean::AbstractVector{FT}, std::Abstr
     return X
 end
 
-
-"""
-$(DocStringExtensions.TYPEDSIGNATURES)
-
-Makes square matrix `mat` positive definite, by symmetrizing and bounding the minimum eigenvalue below by `tol`
-"""
-function posdef_correct(mat::AbstractMatrix; tol::Real = 1e8 * eps())
-    if !issymmetric(mat)
-        out = 0.5 * (mat + permutedims(mat, (2, 1))) #symmetrize
-        if isposdef(out)
-            # very often, small numerical errors cause asymmetry, so cheaper to add this branch
-            return out
-        end
-    else
-        out = mat
-    end
-
-    nugget = abs(minimum(eigvals(out)))
-    for i in 1:size(out, 1)
-        out[i, i] += nugget + tol #add to diag
-    end
-    return out
-end
-
-
-
-
 end # module