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I would like to create table of summation expressions, which are not evaluated, but summation limits are substituted.

I can't accomplish this so far.

If I write

enter image description here

I get summation expanded.

If I write:

enter image description here

I get "Hold" word displayed and summation limits not substituted.

If I write:

enter image description here

I get limits not substituted.


marked as duplicate by Kuba, Yves Klett, Mr.Wizard Jan 5 '15 at 10:39

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  • 3
    $\begingroup$ You have been a member for 2 years and 11 months and you post images instead of actual code ? $\endgroup$ – Sektor Jan 4 '15 at 18:01
  • $\begingroup$ Because visual representation matters here. The code is not very smart anyway. $\endgroup$ – Suzan Cioc Jan 4 '15 at 18:10
  • 3
    $\begingroup$ Providing code would be a good idea nevertheless. $\endgroup$ – Yves Klett Jan 4 '15 at 18:21
  • 1
    $\begingroup$ Use With[{n=n},... to inject into held expressions. $\endgroup$ – Kuba Jan 4 '15 at 19:20
  • $\begingroup$ Closely related: 7756 but I'd even say a duplicate. $\endgroup$ – Kuba Jan 4 '15 at 19:23

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