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Offline Seçkin USLU  
#1 Posted : 01 August 2019 22:26:37(UTC)
Seçkin USLU

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Hi all

I would like to ask about a function in excel. What İf

If you know , this function gives the variables for the desired results.

For example f(x)= y , input y and get x

Is there any similar function at smath?

Regards
Offline Jean Giraud  
#2 Posted : 02 August 2019 18:56:07(UTC)
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Originally Posted by: Seç Go to Quoted Post
I would like to ask about a function in excel. What Ä°f

If you know , this function gives the variables for the desired results.
For example f(x)= y , input y and get x
Is there any similar function at smath?


f(x)= y , input y and get x ... This is inversing a function
Excel "Target value" is more ancient than Excel. In fact, it comes from
the co-founders of Excel TKsolver.
For single value of 'y' you can use Smath solve(2), solve(4) ...
Otherwise, if you want to InverseFunction it comes from Smath/Maple.
Visit "Samples" for a huge Smath document that covers most possible
ways of doing this most advanced piece of maths.
This document is less than 3 weeks old.

Offline Jean Giraud  
#3 Posted : 02 August 2019 20:06:17(UTC)
Jean Giraud


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... Samples [4 days ago] InverseFunction-Lambert
Offline Seçkin USLU  
#4 Posted : 02 August 2019 22:53:34(UTC)
Seçkin USLU

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2019-08-02_22h52_13.png Thanks for your time. Thats what i am looking for.
Offline Jean Giraud  
#5 Posted : 03 August 2019 21:16:41(UTC)
Jean Giraud


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Originally Posted by: Seç Go to Quoted Post
Hi all
I would like to ask about a function in excel. What Ä°f
If you know , this function gives the variables for the desired results.
For example f(x)= y , input y and get x
Is there any similar function at Smath?


Get initiated with this minimalist introduction.
Many projects aren't so easy, but on same principles.

Solve Inverse Symbolic Suite [EDU_Init].sm (17kb) downloaded 12 time(s).
Offline alisonparker  
#6 Posted : 12 August 2019 04:16:58(UTC)
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if('condition','true','false'Wink - Returns 'true'-statement if logical 'condition'-statement is true (non-zero), 'false'-statement otherwise.

ADVICE: Choose it from the Programming palette

The "if" programming tool returns a value depending on Boolean 'condition'. Boolean condition can be formed by using Boolean palette. Here is a simple example, returning numeric or symbolic result.

https://smath.com/wiki/i...utoDetectCookieSupport=1
Offline Jean Giraud  
#7 Posted : 12 August 2019 04:59:41(UTC)
Jean Giraud


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Originally Posted by: alisonparker Go to Quoted Post
if('condition','true','false' - Returns 'true'-statement if logical 'condition'-statement is true (non-zero), 'false'-statement otherwise.

OK but your link has nothing to do with the demand,
i.e: solving 'x' for given 'y' in f(x)
Has been answered/exemplified.
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