How do you assign (different) LaTex names to elements of a list?

Processing math: 100%

First time here? Check out the FAQ!

sum8tion
157 ●7 ●13 ●22

Say I have the following list of variables.

v = {(i,j): var("v_{}{}".format(i, j), latex_name="v_{{}{}}") for i in range(2) for j in range(2)}

How do I make it so that when I use the

show(v[0,0])

command, I get $v_{0,0}$ as output? I've tried stuff like

v = {(i,j): var("v_{}{}".format(i, j), latex_name="v_{i,j}") for i in range(2) for j in range(2)}

and

v = {(i,j): var("v_{}{}".format(i, j), latex_name="v_{{i}{j}}") for i in range(2) for j in range(2)}

but it only ever give me stuff like $v_{i,j}$ where it's just the literal symbols $i$ and $j$ , not the entries of

v[k,m]

for some $k$ and $m$ I plug in, like 0, 0.

1 Answer

Sort by » oldest newest most voted

You sould use double the braces as follows:

v = {(i,j): var("v_{}{}".format(i, j), latex_name="v_{{{}{}}}".format(i, j)) for i in range(2) for j in range(2)}

Thank you!

sum8tion ( 3 years ago )

I have a bit of a follow-up, lets say I want the latex name to have a bar over it for conjugation, like $\bar{v}$ . My naive guess of

v = {(i,j): var("v_{}{}".format(i, j), latex_name="\bar{v}_{{{}{}}}".format(i, j)) for i in range(2) for j in range(2)}

doesn't seem to work. Any suggestions?

sum8tion ( 3 years ago )

Idem, use double braces around v.

tmonteil ( 3 years ago )

Please start posting anonymously - your entry will be published after you log in or create a new account.

Asked: 3 years ago

Seen: 434 times

Last updated: Jun 16 '21