diff --git a/ModelTree.cc b/ModelTree.cc index 02665879350542ca55bcc0efa2887e6f27a39b6b..7a1cb8969e4edc118a923d3da1b137ffdda8eb89 100644 --- a/ModelTree.cc +++ b/ModelTree.cc @@ -1657,8 +1657,10 @@ ModelTree::writeDynamicCFile(const string &dynamic_basename) const << " g2 = NULL;" << endl << " if (nlhs >= 3)" << endl << " {" << endl - << " /* Set the output pointer to the output matrix g2. */" << endl - << " plhs[2] = mxCreateDoubleMatrix(" << equations.size() << ", " << variable_table.getDynJacobianColsNbr(computeJacobianExo)*variable_table.getDynJacobianColsNbr(computeJacobianExo) << ", mxREAL);" << endl + << " /* Set the output pointer to the output matrix g2. */" << endl; + int g2_ncols = variable_table.getDynJacobianColsNbr(computeJacobianExo)*variable_table.getDynJacobianColsNbr(computeJacobianExo); + mDynamicModelFile << " plhs[2] = mxCreateSparse(" << equations.size() << ", " << g2_ncols << ", " + << 5*g2_ncols << ", mxREAL);" << endl << " /* Create a C pointer to a copy of the output matrix g1. */" << endl << " g2 = mxGetPr(plhs[2]);" << endl << " }" << endl