org.apache.commons.math3.linear.SingularMatrixException: matrix is singular

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by harryhoch
, 1 year ago
matrix is singular
via Stack Overflow by user3086819
, 2 years ago
org.apache.commons.math3.linear.SingularMatrixException: matrix is singular
at org.apache.commons.math3.linear.LUDecomposition$Solver.solve(LUDecomposition.java:334)
at edu.cmu.tetrad.util.TetradMatrix.inverse(TetradMatrix.java:362)
at edu.cmu.tetrad.util.StatUtils.partialCorrelation(StatUtils.java:1757)
at edu.cmu.tetrad.search.IndTestFisherZ.partialCorrelation(IndTestFisherZ.java:239)
at edu.cmu.tetrad.search.IndTestFisherZ.isIndependent(IndTestFisherZ.java:184)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.