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Squared singular values to calculate POD variance #306

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Merged
axla-io merged 7 commits into from
Feb 5, 2025
Merged

Squared singular values to calculate POD variance #306

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d03d6c9
Squared singular values
axla-io Feb 3, 2025
9d2bf98
Added command line option for squared singular values
axla-io Feb 4, 2025
10958cf
Added command line options for nonlinear elasticity
axla-io Feb 4, 2025
f0f146a
Fixed typos
axla-io Feb 4, 2025
1fbbf99
astyle
axla-io Feb 4, 2025
89caae4
comma spacing
axla-io Feb 5, 2025
b5020b2
added missing spaces before comma
axla-io Feb 5, 2025
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4 changes: 2 additions & 2 deletions lib/linalg/BasisGenerator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -321,7 +321,7 @@ BasisGenerator::finalSummary(

double sum = 0.0;
for (int sv = first_sv; sv < sing_vals->dim(); ++sv) {
sum += (*sing_vals)(sv);
sum += std::pow((*sing_vals)(sv), 2);
}

int p = std::floor(-std::log10(energyFractionThreshold));
Expand All @@ -345,7 +345,7 @@ BasisGenerator::finalSummary(
}

for (int sv = first_sv; sv < sing_vals->dim(); ++sv) {
partialSum += (*sing_vals)(sv);
partialSum += std::pow((*sing_vals)(sv),2);
for (int i = count; i < p; ++i)
{
if (partialSum / sum > 1.0 - std::pow(10, -1 - i))
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