From: nma@12000.org   
      
   On 8/11/2017 9:52 PM, Dr Huang wrote:   
      
   >   
   > how to do it in wolframAlpha online? I copy your code but it seem  not work.   
   >   
      
   Why use W/Alpha? You can use Mathematica itself for free/trial   
   online at   
      
   http://develop.open.wolframcloud.com/objects/wpc-welcome/ThingsToTry.nb   
      
   This opens a notebook. Now just copy paste the commands I have   
   there and paste them into the above notebook. It works. I just   
   tried it.   
      
   --Nasser   
      
   --- SoupGate-Win32 v1.05   
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