scaomath

Einstein sum refs

Copied from torch's linear algebra test file.

Vector operations

torch.einsum('i->', x)                     # sum
torch.einsum('i,i->', x, x)                # dot
torch.einsum('i,i->i', x, x)               # vector element-wisem mul
torch.einsum('i,j->ij', x, y)              # outer

scaomath

Jekyll simple workflow to use custom a plugin on Github pages

Workflow

Mainly following Alexandre Rademaker's guide.

• Checkout to source branch, where we write things with a custom plugin.

git checkout source

• Writing things, commit and push the changes

scaomath

git clean -xfd
git submodule foreach --recursive git clean -xfd
git reset --hard
git submodule foreach --recursive git reset --hard
git submodule update --init --recursive

scaomath

Survive as a grad student in scientific computing

GitHub 101

Git

What is version control? Most jargons in Git have "literal" meanings.

• pull, commit, push
• worktree
• branch, pull request, merge, comments

scaomath

#ifndef NEURALNET_NNINTERFACE_H_
#define NEURALNET_NNINTERFACE_H_

#include "../core/global.h"
#include "../core/commontypes.h"
#include "../core/hash.h"
#include "../core/logger.h"
#include "../neuralnet/desc.h"
#include "../neuralnet/nninputs.h"

scaomath

// On Ubuntu Linux mimic MacOS keybindings on Logitech MX Keys
// where the layout is slightly different to incorporate both MacOS and Linux into one keyboard
// after customized key mapping: ctrl is mapped to alt; alt is mapped to win; (meta is mapped to ctrl)
// in /etc/default/keyboard: XKBOPTIONS="altwin:ctrl_alt_win"
// 
[
    {
        "key": "ctrl+left",
        "command": "cursorHome",
        "when": "textInputFocus"

scaomath

{
    "[bibtex]": {
        "editor.autoIndent": "none",
        "editor.fontFamily": "Fira Code Medium",
        "editor.fontLigatures": false,
        "editor.formatOnPaste": false,
        "editor.suggestSelection": "recentlyUsedByPrefix"
    },
    "[latex]": {
        "editor.autoIndent": "none",