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Offline soomoon  
#1 Posted : 03 March 2023 09:20:02(UTC)
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how can i type this?

X[ij

Multi-linear Regression.sm (10kb) downloaded 24 time(s).2023-03-03 15 18 39.png

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Offline fominantokha  
#2 Posted : 03 March 2023 11:05:45(UTC)
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change the vector element in the variable X to a matrix element => el(X,ij) to el(X,i,j)
1.png
Offline overlord  
#3 Posted : 03 March 2023 19:27:29(UTC)
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Originally Posted by: soomoon Go to Quoted Post
how can i type this?

Step by step:
1 - X
2 - [
3 - i
4 - , (, or ; which one is your argument separator)
5 - j

> X[i,j

Regards
Offline mrslk  
#4 Posted : 13 March 2023 21:34:56(UTC)
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How can i type this example in smath? 1.PNG
Offline Razonar  
#5 Posted : 14 March 2023 03:01:01(UTC)
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Hi. Some options.

Notation.sm (5kb) downloaded 10 time(s).

Clipboard02.png

Best regards.
Alvaro.
Offline Jean Giraud  
#6 Posted : 14 March 2023 14:30:42(UTC)
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Originally Posted by: mrslk Go to Quoted Post
How can I type this example in Smath

In otherwise subscript style ... parametric/productive.

Styles.PNG

Offline mrslk  
#7 Posted : 14 March 2023 17:15:12(UTC)
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Originally Posted by: Razonar Go to Quoted Post
Hi. Some options.

Notation.sm (5kb) downloaded 10 time(s).

Clipboard02.png

Best regards.
Alvaro.


Thanks for answering. But how write superscripts?
Offline Razonar  
#8 Posted : 14 March 2023 17:35:34(UTC)
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Originally Posted by: mrslk Go to Quoted Post
... Thanks for answering. But how write superscripts?


Hi. No practical way in SMath, but with Unicode characters. Search for 'cero' in your language in windows charmap, copy and paste.

cero.png

To do it without artifice you would have to have a function, like in Mathematica: https://reference.wolfra...age/ref/Superscript.html

Best regards.
Alvaro.
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