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Fix sturmLiouvilleLegendre bug #265

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Merged
jbrzensk merged 2 commits into from
Dec 22, 2025
Merged

Fix sturmLiouvilleLegendre bug #265

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a78b301
replace n with 12.0, format numbers
jbrzensk Dec 18, 2025
1c8ef5f
Merge branch 'main' into bug/SLL
jbrzensk Dec 22, 2025
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2 changes: 1 addition & 1 deletion examples/cpp/sturmLiouvilleLegendre.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ int main()
// Set up system of equations
arma::sp_mat xc_mat = arma::sp_mat( arma::diagmat(xc) ); // x
arma::sp_mat xc_mat_sq = arma::sp_mat( arma::diagmat(1 - arma::pow(xc, 2)) ); // 1 - x^2
arma::sp_mat A = xc_mat_sq * (arma::sp_mat)L - 2 * xc_mat * (arma::sp_mat)I * (arma::sp_mat)G + n * (n-1) * arma::speye(m+2, m+2);
arma::sp_mat A = xc_mat_sq * (arma::sp_mat)L - 2.0 * xc_mat * (arma::sp_mat)I * (arma::sp_mat)G + (12.0 * arma::speye(m+2, m+2));

// Apply BC
A.row(0).zeros();
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