Chapter 2

[[lecture-main-topic-data]]

Unitary Matrices : similarity and equivalence

Concepts

Concepts

TABLE status, type, filter(file.inlinks, (i) => contains(i.type, "lecture_note")) as Lectures
FROM #concepts
WHERE contains(parent, this.file.link)
OR contains(parent, "TOPIC")
SORT file.name asc
 
FLATTEN choice(type="theorem", "🧮","") + choice(type="instruction", "📓","") + choice(!type, "💡", "") as type

Mentions

Mentions

TABLE
FROM [[]]
 
FLATTEN choice(contains(artist, this.file.link), 1, "") + choice(contains(author, this.file.link), 1, "") + choice(contains(director, this.file.link), 1, "") + choice(contains(source, this.file.link), 1, "") + choice(contains(parent, this.file.link), 1, "") as direct_source
 
WHERE !direct_source

return function View() {
	const file = dc.useCurrentFile();
	const created = file.value("created");
	const modified = file.value("modified")
	
	let earliest;
	if (created) {
		earliest = moment(created.toString()).isBefore(moment(file.$ctime))
		? created.toString()
		: file.$ctime;
		} else {
		earliest = file.$ctime
	}
	
	let latest = (Array.isArray(modified) && modified.length > 0)
		? modified[-1]
		: file.$mtime;
	
	let earlyString = moment(earliest).format("YYYY-MM-DD");
	let lateString = moment(latest).format("YYYY-MM-DD")
	return <p class="dv-modified">Created {earlyString}     ֍     Last Modified {lateString}</p>
}