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Author: Master

December 14, 2022December 14, 2022CS_Reference, CSE

프로그래밍언어론 요약

자료형: 값들의 집합사전 정의된 기본 자료형: boolean, char, int, float, double,..사용자 정의 기본 자료형: 열거형: 열거된 값들로 이루어진 타입C/C++ 열거형 예 Ada […]

December 13, 2022December 13, 2022CSE, Network

Computer Network Summary

TCP/IP is generally used for computer networks rather than the OSI model. Network Layer Summary 1. Destination-based forwarding 200.23.16.0~200.23.23.255 => 0200.23.24.0~200.23.24.255 => […]

December 12, 2022December 17, 2022Data Science, Machine Learning

DLFS – Nature Language Procesisng

※ Deep Learning From Scratch (밑바닥부터 시작하는 딥러닝)에 대한 정리 자료입니다. NLP Nature Language Processing의 약자로, 사람이 의사소통하는 언어를 컴퓨터가 알도록 하는 […]

December 12, 2022December 17, 2022Data Science, Machine Learning

DLFS – Weight Init & Avoid Overfitting

※ Deep Learning From Scratch (밑바닥부터 시작하는 딥러닝)에 대한 정리 자료입니다. 가중치 초기화 (Weight Init) 학습을 진행할 때, 가중치 초깃값의 설정은 매우 […]

December 12, 2022December 16, 2022Data Science, Machine Learning

DLFS – Optimizer

※ Deep Learning From Scratch (밑바닥부터 시작하는 딥러닝)에 대한 정리 자료입니다. Optimizer는 딥러닝에서의 최적화 기법이다. 딥러닝에서 최적화란 손실함수(E(W,b)를 최소로 만드는 Weight와 bias를 […]

December 10, 2022December 16, 2022Data Science, Statistics

통계학 – Singular Value Decomposition

Singular Value Decomposition(SVD, 특이값 분해)은 행렬을 분해하는 기법이다. A(mxn)라는 행렬이 있을 때, A=USVT로 분해되며, U,S,V는 다음을 만족하는 행렬이다. U: orthogonal matrix (직교 […]

December 10, 2022December 16, 2022Data Science, Machine Learning

DLFS – Backpropagation

※ Deep Learning From Scratch (밑바닥부터 시작하는 딥러닝)에 대한 정리 자료입니다. Backpropagation(역전파)이란 Chain Rule을 이용해서 미분을 빠르게 계산하는 방법을 의미한다. Chain Rule(연쇄법칙)은 […]

December 8, 2022December 8, 2022Coding & Reference, JAVA

JAVA – 예외처리 프로젝트

가톨릭대학교 프로그래밍언어론 수업에서 제출한 자료 및 코드입니다. 프로그램 개요 학생 점수를 관리하는 프로그램입니다. 관리자가 학생들의 이름과 점수를 저장하면, 학생의 이름이나번호를 통해서 해당 점수를 […]

December 4, 2022December 26, 2022Data Science, Reference

Image Normalization

0. Package (Example) Dataset Structure (Example) Dataloader Structure 1. Make Dataloader Check Dataloader 2. Get Mean, Std with Dataloader 3. CV2 Image […]

December 4, 2022December 4, 2022Android App & Web, Design & Analysis

디자인 패턴 – 컴퍼지트 패턴

컴퍼지트 패턴: 부분이 변화하더라도 기존 코드를 변경시키지 않도록 하는 패턴 기존 코드: 컴퓨터 클래스는 키보드, 본체, 모니터 클래스와 Composition 관계이다. 문제점: 만약 […]

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