WebMay 16, 2011 · Sum::itraw: Raw object 1 cannot be used as an iterator. >> Out[2]: Sum[ggg$708, {1, 1, s$708, 2}, {1, t$708}]***** As an example, Iam expecting the output should read: In[3]: qSolve[5,3] (meaning hhh = Sum[ggg,{m,1,5,2},{n,3}]) ... "Mathematica Navigator" is an excellent book with many simple practical examples. You need the … WebFeb 3, 2016 · Mathematica Stack Exchange is a question and answer site for users of Wolfram Mathematica. ... I have tried to use NSum, I have tried to use Sum, I have tried breaking up the function into pieces and assigning the pieces to variables to make it more manageable. But I keep getting errors: ... Raw object 1 cannot be used as an iterator. …
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WebWolfram Science. Technology-enabling science of the computational universe. Wolfram Natural Language Understanding System. Knowledge-based, broadly deployed natural language. WebFor some cases I need to change the value internally. But I get an error cannot assign to raw object. What is the way around this problem ? I am sure there is but I just could not find one. ( I am aware that n there is not really n it is a number. That is why I can't do 8=10. ) Here is an simple mini-code can light travel forever
Set::setraw—Wolfram Language Documentation
Webbut if I am right, Mathematica now works with the values I assigned to the variables, and not the variables themselves. That's why I get: In[79]:= Evaluate[Alphabet[]] =. During evaluation of In[79]:= Unset::usraw: Cannot unset raw object a. >> During evaluation of In[79]:= Unset::usraw: Cannot unset raw object b. >> WebJun 8, 2024 · $\begingroup$ I agree that often you just want to use rules, but in my case I'm trying to set a global variable before going on to solve for other things (where Solve will work better if it has this global value instead of trying to remain general for all possible values). I tried the equivalent of Set[sols[[1]]], and when that didn't work.Of course the "help" file is … WebAug 24, 2016 · Mathematica Stack Exchange is a question and answer site for users of Wolfram Mathematica. It only takes a minute to sign up. ... ilim: Invalid integration variable or limit(s) in {-1.856,1.856,11.856}. NIntegrate::itraw: "Raw object -1.856 cannot be used as an iterator." Could you tell what I'm doing wrong here? plotting; calculus-and-analysis ... can light to pendant light conversion