From 55f9ab89fd61c792eb6385aca5512fd043b7f677 Mon Sep 17 00:00:00 2001
From: Lewin Probst <info@emirror.de>
Date: Thu, 16 Jul 2020 13:12:33 +0200
Subject: [PATCH] Added a more descriptive error message if variation
calculation is failing.
---
VERSION | 2 +-
lib/+artoa/+trajectory/calculateByOffsetVariations.m | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/VERSION b/VERSION
index e26ed8d..0e92c3c 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-305
\ No newline at end of file
+306
\ No newline at end of file
diff --git a/lib/+artoa/+trajectory/calculateByOffsetVariations.m b/lib/+artoa/+trajectory/calculateByOffsetVariations.m
index b8556ff..25771e5 100644
--- a/lib/+artoa/+trajectory/calculateByOffsetVariations.m
+++ b/lib/+artoa/+trajectory/calculateByOffsetVariations.m
@@ -48,6 +48,10 @@ for i = 1:length(variationResults{end}.dates)
results{i}.observations = observations;
% get covariance matrix
results{i}.covarianceMatrix = cov(observations);
+ % check if matrix contains nan or inf
+ if (any(isnan(results{i}.covarianceMatrix), 'all') | any(isinf(results{i}.covarianceMatrix), 'all'))
+ error([mfilename ': Covariance matrix contains NaN or Inf, the eigenvalues cannot be calculated. This could be a result of a not converging tracking algorithm.']);
+ end
% eigendecomposition
[results{i}.V, results{i}.D] = eig(results{i}.covarianceMatrix);
end
--
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