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lib 1400578 // ejml-simple (matrix library)
lib 1400579 // ejml-core
lib 1400580 // ejml-ddense

import org.ejml.simple.*;

var matrix = new SimpleMatrix(new double[][] { {1, 2}, {3, 4 } });
print(matrix);
print(trace := matrix.trace());
print(deg := matrix.determinant());

var evd = new SimpleEVD(matrix);