对于高q引起的数值不稳定性，通过引入平滑函数得以解决。
A smooth function has been introduced to solve the problem of instability caused by high value of Q.
动量方程、三温方程组采用分裂法求解，以克服强耦合非线性可能引起的数值不稳定性。
The set of RMHD equations is solved with use of split tricks to avoid possible numerical instabilities due to much coupling in solving the set of highly nonlinear equations.
针对RLP算法的数值不稳定性，基于拟牛顿优化方法，提出了一种稳健的自适应FIR滤波算法。
A robust adaptive algorithm for FIR filters based on the quasi-Newton class of optimization methods is derived, which can be regarded as the improvement of RLP algorithm on the problem of stability.
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