The multichannel R-matrix code is employed to compute the collision strengths for electron-impact excitation of pentacid Mg ion.
考虑了内壳层电子激发的组态相互作用后，采用R矩阵方法计算了电子碰撞类锂碳离子的共振激发碰撞强度。
A new crossover and mutation operation suitable for the matrix code is developed, and they can ensure that the new initial chromosomes are always feasible.
针对矩阵编码提出的特殊交叉算子和变异算子，能保证生成的新个体总是有效的。
A new crossover and mutation operation suitable for the matrix code is developed, and they can ensure that the new initial chromosomes are always feasible.
针对矩阵编码提出的特殊交叉算子和变异算子，能保证生成的新个体总是有效的。
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