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How to Generate Subscripted Arrays in Live Scripts

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I would like to generate the following array or matrix. The symbolic variable Z needs to have a subscript of 1。And can be used in subsequent symbolic operations.
or
Currently, I can generate the following effects in Live Scripts.
There are three problem::
1. I cannot obtain or on the left side of the equal sign; I can only get Z on the left side of the equal sign.
2. The output results copied as LaTeX code do not include Z; they only include the vector itself.I would like the LaTeX code in the output to include or
3、How to convert round parentheses of a vector to square brackets
Screenshots of Live Scripts:
I copied LaTeX code like the image below.
latex code:
\left(\begin{array}{ccc}
z_1 & z_2 & z_3
\end{array}\right)
  1 Comment
Paul
Paul on 14 Apr 2024
The shape of the brackets can be controlled with sympref.
Do you want to only generate a latex string for some other use, like in the title of a plot?
Or do you also want to display the equation with the typset Z_1 on the left hand side in the live script itself?

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Answers (2)

VBBV
VBBV on 14 Apr 2024
\left(\begin{array}{ccc}
z_{1} & z_{2} & z_{3}
\end{array}\right)
  2 Comments
VBBV
VBBV on 14 Apr 2024
Edited: VBBV on 15 Apr 2024
use '{' '}' curly braces to enclose numbers for obtaining subscripts. e.g if you want to have it for Z or Za then you need to
Z_{1}
Z_{a}
For output of square brackets you can use sympref function and set the output to square brackets as true
fa wu
fa wu on 14 Apr 2024
Thank you for your response
This is the effect displayed by the LaTeX code you provided. I didn’t notice any changes. Or maybe I didn’t understand what you meant?”

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Walter Roberson
Walter Roberson on 14 Apr 2024
You cannot get a formatted output of
When you have an assignment such as
Z_a = sym('z', [1 3])
Z_a = 
then the display never formats the left hand side symbol.
and if you try
Z = sym('z', [1 3]);
syms Z_a
Z_a == Z
ans = 
The expansion of the comparisons is done before the output.
  3 Comments
Walter Roberson
Walter Roberson on 16 Apr 2024
Z = sym('z', [1 3]);
syms Z_a
sympref('MatrixWithSquareBrackets', 1)
ans = logical
0
Z_a == Z
ans = 
sympref('MatrixWithSquareBrackets', 0)
ans = logical
1
Z_a == Z
ans = 

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