Recent posts

Linear Transformation (1)

January 22 2022

์„ ํ˜• ๋ณ€ํ™˜๊ณผ ํ–‰๋ ฌ ์„ ํ˜• ๋ณ€ํ™˜์ด๋ž€ ํ•˜๋‚˜์˜ ๋ฒกํ„ฐ ๊ณต๊ฐ„์„ ๋‹ค๋ฅธ ๋ฒกํ„ฐ ๊ณต๊ฐ„์œผ๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ํ•จ์ˆ˜ ์„ ํ˜• ๋ณ€ํ™˜์„ ์ •์˜ํ•˜๋Š” ๋‘ ํŠน์„ฑ์ด ๋ณ€ํ™˜ ํ›„์—๋„ ๋ฒกํ„ฐ ๊ณต๊ฐ„์˜ ์กฐ๊ฑด์„ ๊ทธ๋Œ€๋กœ ๋งŒ์กฑํ•˜๊ธฐ ๋•Œ๋ฌธ

Observer Pattern

January 21 2022

๊ด€์ฐฐ์ž ํŒจํ„ด์˜ ์‚ฌ๋ก€ MVC ํŒจํ„ด C#์˜ event java์˜ ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ

Flyweight Pattern

January 19 2022

์ฒซ๋ฒˆ์งธ ์˜ˆ์ œ ๊ณต์œ ํ•  ์ˆ˜ ์žˆ๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ํ•˜๋‚˜์˜ ๊ฐ์ฒด, ์ฆ‰ ๊ณต์œ  ๊ฐ์ฒด๋กœ ํ†ตํ•ฉํ•ด์„œ ๊ด€๋ฆฌ ๊ฐ ์ธ์Šคํ„ด์Šค๋Š” ๊ณต์œ  ๊ฐ์ฒด๋ฅผ ์ฐธ์กฐํ•˜๊ธฐ๋งŒ ํ•˜๊ณ  ์ƒํƒœ ๊ฐ’์€ ์ธ์Šคํ„ด์Šค์— ์ €์žฅ

Matrix

January 16 2022

ํ–‰๋ ฌ Matrix m x n ํ–‰๋ ฌ์—์„œ m = n ์ด๋ฉด ์ •๋ฐฉํ–‰๋ ฌ square matrix ์ด๋‹ค ๋ชจ๋“  ์š”์†Œ๊ฐ€ 0์ด๋ฉด ์˜ํ–‰๋ ฌ zeron matrix ์ด๋‹ค ์–ด๋–ค ํ–‰๋ ฌ์˜ ํ–‰๊ณผ ์—ด์„ ๋’ค๋ฐ”๊พธ๋ฉด ์ „์น˜ ํ–‰๋ ฌ transpose matrix๋ผ ํ•œ๋‹ค ์ „์น˜ํ•œ ํ–‰๋ ฌ์ด ์›๋ž˜ ํ–‰๋ ฌ๊ณผ ๊ฐ™๋‹ค๋ฉด ๋Œ€์นญ ํ–‰๋ ฌ symmetric matrix๋ผ ํ•œ๋‹ค ...

Command Pattern

January 15 2022

์ •์˜ ๋ฉ”์„œ๋“œ ํ˜ธ์ถœ์„ ์‹ค์ฒดํ™”ํ•œ ๊ฒƒ ํ•จ์ˆ˜ ํ˜ธ์ถœ์„ ๊ฐ์ฒด๋กœ ๊ฐ์ŒŒ๋‹ค๋Š” ์˜๋ฏธ ์ฝœ๋ฐฑ์„ ๊ฐ์ฒด์ง€ํ–ฅ์ ์œผ๋กœ ํ‘œํ˜„ํ•œ ๊ฒƒ