病态方程组 meaning in Chinese

ill-conditioned system of equations

The classic difference scheme of euler is employed to solve the forward problem , and the truncated singular value decomposition is used to solve the ill - conditioned system of algebraic equation
用古典欧拉差分格式求解正问题，用截断奇异值分解法求解病态方程组。
Under appropriate conditions , we obtain the global and superlinear / qudratic convergence of the method . the reported numerical results show that the proposed method performs well for the test problems
数值计算结果表明，我们的算法对普通非线性方程组有良好效果，但优势在求解病态方程组时表现得更为明显，是解非线性方程组一种行之有效的方法。