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24-Ruby IV

## Mixing equations and guess values in Given-Find block

Mixing equations and guess values in Given-Find block.

We can not do so in Mathcad Prime

10 REPLIES 10

You need to use := and = separately. I will look into restriction of using :=...= for guess values. See attached worksheet.

24-Ruby IV
(To:jkucan)

Sorry, the sheet is empty.

Show the picture, pls.

24-Ruby IV
(To:jkucan)

And what is it?

24-Ruby V
(To:ValeryOchkov)
 Sorry, the sheet is empty.

Same here. Maybe its P3 format. And I fear that "traditinally" P3 can't save in P2 format.

1-Newbie
(To:Werner_E)

Sorry. It's a Prime 3.0 sheet.

24-Ruby V
(To:jkucan)
 Jakov Kucan wrote:Sorry. It's a Prime 3.0 sheet.

No problem, I guessed it. I am just wondering why Valery couldn't see the content as in the past he had posted P3 sheets himself so I thought he would be able to open them w/o problems.

24-Ruby IV
(To:jkucan)
 Jakov Kucan wrote:You need to use := and = separately.

Why I can not use use := and = here!

:=...= is a different operator that modifies the meaning of expression. You can think of A:=E=B as equivalent A:=B (save side effects of evaluating E). This is especially relevant if A is used in symbolic calculations later.

There is no inherent problem with that in the solve block, but it needs special handling to be enabled in the solve block. Something we will look into.

24-Ruby IV
(To:jkucan)
 Jakov Kucan wrote:Something we will look into.

Yes! You must!

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