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Recent content by rrozz

  1. rrozz

    What are typical reasons for error msg: "This function cannot be used here" while solving

    What are typical reasons for error msg: "This function cannot be used here" while solving DE in M15? I've some problems solving by Rkadapt or sbval as well as others DE solvers for system of DE.
  2. rrozz

    [Solve Block] Rayleigh Distillation

    Hi, Sometimes I can't find my mistake in the block. Could you please help me? http://files.engineering.com/getfile.aspx?folder=b8856204-714c-43e9-b699-4ab7c7a7181c&file=Bez tytułu.jpg Enclosed mathcad 15 document. Why it doesn't respond with the proper values? Why does it always respond with...
  3. rrozz

    [Programming] Condition problem

    Thanks for your feedback. Your sarcasm is unnecessary, even if my knowleadge is bad.
  4. rrozz

    [Programming] Condition problem

    Hi again, The enclosed program selects the most appropriate pipe stub from a standard. Although the program works, it returns bad results. For specified dimensions of pipe, it doesnt find the anticipated result and iterates till it runs out of arguments. The condition...
  5. rrozz

    [Programming] This values can not be compared

    Thanks for your help. I've fixed the problem on my own.
  6. rrozz

    [Programming] This values can not be compared

    Well, I can of course give you all my stuff, but it has 80 pages in Mathcad. The problem concerns creating a program to select proper heat exchanger from heat exchangers' standard. All the data for this program is located in excel or come from excel and has been converted a couple of times in...
  7. rrozz

    [Programming] This values can not be compared

    I didn't try it as I've read that it extract only the real parts from a complex, whereas I need to extract all the complex values from the array, which contain both the real and the complex numbers. Thanks for a prompt answer anyways, any other suggestions?
  8. rrozz

    [Programming] This values can not be compared

    I've got a program that defines d.nom`[i if W.p`[i < 0,02 and if u.w2`[i > 2m/s. The values W.p` cannot be compared with 0,02... that is what mathcad responds with. I checked that the problem could be with the array of W.p`, cos it contains the complex numbers. Does anyone know how to create...
  9. rrozz

    [Programming] Array indexes in function

    Hi there, I'm new here and what really suprised me was the fact that registration on this forum was very easy and quick, thanks to admins for that! I've been working on some heat transfer correlations for Nusselt criterial number in convection, and what apppeared... that some corelations...
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