A deflation technique is presented for an irreducible singular Mmatrix Algebraic Riccati Equation (MARE). The technique improves the rate of convergence of a doubling algorithm, especially for an MARE in the critical case for which without deflation the doubling algorithm converges linearly and with deflation it converges quadratically. The deflation also improves the conditioning of the MARE in the critical case and thus enables its minimal nonnegative solution to be computed more accurately.
The rheological performance of gel ink was investigated by the experimental methods of steady-state shear rate scanning, dynamic stress scanning and dynamic time scanning. The results show that some rheological parameters (such asn,K,τ0, and ect.) can be used to characterize the stability of gel ink.
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