Test Command

This command is used to construct a ConvergenceTest object. Certain SolutionAlgorithm objects require a ConvergenceTest object to determine if convergence has been achieved at the end of an iteration step. The convergence test is applied to the matrix equation, AX=B

test Command Equation

1. Norm Unbalance Test test is Norm(X) < tol
2. Norm Displacement Increment Test test is Norm(X) < tol
3. Energy Increment Test test dot(X,B) < tol