lis_matrix_get_diagonal(3f)

✨ lis_matrix_get_diagonal ✨

okay bestie, gather round 💖 this is a Lis Library Functions page, section 3f, and it's literally just one tiny lil function that pulls the diagonal out of a matrix. no cap, that's the whole vibe.

🎀 NAME 🎀

lis_matrix_get_diagonal — get the diagonal elements of the matrix 💅

(yeah the original spelled it "digonal elemments", we're being cute not sloppy, the function name is unchanged iykyk)

🌸 SYNOPSIS 🌸

subroutine lis_matrix_get_diagonal(LIS_MATRIX A, LIS_VECTOR d,
LIS_INTEGER ierr);

that's it. that's the whole call. three args, no drama 🦋

🫶 DESCRIPTION 🫶

Get the diagonal elements of matrix. fr fr, that's the entire job description — you hand it a matrix, it hands you back the diagonal, main character energy only 👑

💜 INPUT 💜

• A — The matrix 🧚 the one you're snooping the diagonal out of.

🌈 OUTPUT 🌈

• d — The vector which stores the diagonal elements of the matrix 💖 so it comes back filled in with the diagonal, slay.

⭐ SEE ALSO ⭐

• lis(3) — the whole family, go say hi 🫶
• http://www.ssisc.org/lis/ — the mothership, literally the lis homepage 🛸

that's the page bestie, go get those diagonal elements 💅✨

k byeeeee — this cutie came from the Lis Library Functions source, dated 28 Aug 2014, and it lives at lis_matrix_get_diagonal(3f) in the manual 💖 🎀