Definition of Variables with several "if". - How to define a variable depending on other variables - Сообщения
#1 Опубликовано: 31.12.2021 13:02:56
Is it possible to define a variable, that depends on an other variable.
I want to define a variable like: "Mpa".
The "Mpa" is 400N/mm^2, if the variable "Diameter" is 12mm.
If the variable "Diameter" is 14mm, "MPA" should be 300N/mm^2.
If the variable "Diameter" is 16mm, "MPA" should be 250/mm^2.
...
At the end, the list is about 15 different possibilities.
I came from Mathcad. Mathcad has the option "add Line". With this, you can add as much "if"-Lines as you wand.
Is there a possibility to do this in Smath Studio also?
Thank you.
I want to define a variable like: "Mpa".
The "Mpa" is 400N/mm^2, if the variable "Diameter" is 12mm.
If the variable "Diameter" is 14mm, "MPA" should be 300N/mm^2.
If the variable "Diameter" is 16mm, "MPA" should be 250/mm^2.
...
At the end, the list is about 15 different possibilities.
I came from Mathcad. Mathcad has the option "add Line". With this, you can add as much "if"-Lines as you wand.
Is there a possibility to do this in Smath Studio also?
Thank you.
#2 Опубликовано: 31.12.2021 14:09:10
If I understood correct, what you need is cases() function.
#3 Опубликовано: 31.12.2021 15:22:15
Please note that cases() function is not directly included in SMath "core" functions; you will find it after installing a plug-in called Custom Functions.
You can find it in SMath extension manager.
You can find it in SMath extension manager.
#4 Опубликовано: 31.12.2021 16:49:17
I came from Mathcad. Mathcad has the option "add Line". With this, you can add as much "if"-Lines as you wand.
Is there a possibility to do this in Smath Studio also?
Lot more pro in Smath ... coma twice on any place holder.
#5 Опубликовано: 01.01.2022 08:07:11
You can make cases() as a function.
This will make mpa value easily calculated.
Regards
This will make mpa value easily calculated.
Regards
#6 Опубликовано: 01.01.2022 08:38:58
Inspired from overlord.
#7 Опубликовано: 01.01.2022 11:54:28
Just a reminder, you should watch for order in cases.
Once one if condition is provided, below won't be regarded.
Regards
Once one if condition is provided, below won't be regarded.
Regards
#8 Опубликовано: 01.01.2022 16:12:49
Hey, thank you all. You are awesome. It worked. Thanks for your detailed inputs.
Regards…
Regards…
#9 Опубликовано: 01.01.2022 19:43:51
Hello
For this type of project, I try to fit the data to a curve and find its equation, and thus calculate any value in the specified range.
Although in this case, the values given are very few, as an example I annex the corresponding calculation.
Define_a_Variable_Ajust_by_Last_Square.sm
Best Regards
Carlos
For this type of project, I try to fit the data to a curve and find its equation, and thus calculate any value in the specified range.
Although in this case, the values given are very few, as an example I annex the corresponding calculation.
Define_a_Variable_Ajust_by_Last_Square.sm
Best Regards
Carlos
#10 Опубликовано: 01.01.2022 23:11:01
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