Wen Liu

10 Reputation

2 Badges

6 years, 1 days

MaplePrimes Activity

These are replies submitted by Wen Liu

@Preben Alsholm I cannot tell you how much I am grateful for your help. I tried once as you showed. It did work!!! I also learned some new codes, like select equation in systems. 

Have a nice day!!!

thanks for your concern. I updated the question.

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