<font class="Apple-style-span" face="gulim"><span class="Apple-style-span" style="font-size: 9pt; line-height: 17px;">요새 선형대수를 공부하고 있는데요.</span></font><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">예를 들어서</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">x + 2y = 0</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">3x + 4y = 0</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">라는 식이 있고 이것을 행렬료 표기하면</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">[1 2]</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">[3 4]</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">로 표기한 후에 이것을 선형 결합으로 써보면</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">x[1] + y[2]</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "> [3] [4]</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">이렇게 표기하더라구요. 그리고 이것을 column picture로 그림을 그리는데 이때</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; ">열1의 벡터가 (1,3)이고 열2의 벡터가 (2,4)로 그림을 그리는데 이때 3의 계수는 x component아닌가요? 저는 이게 왜 이렇게 (1,3) 벡터로 표현해서 그림을 그리는지 이해가 안됩니다.</div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div><font class="Apple-style-span" face="gulim"><span class="Apple-style-span" style="font-size: 12px; line-height: 17px;">http://www.youtube.com/watch?v=ZK3O402wf1c</span></font></div><div><font class="Apple-style-span" face="gulim"><span class="Apple-style-span" style="font-size: 12px; line-height: 17px;">의 11분 정도에 나옵니다. </span></font></div><div><font class="Apple-style-span" face="gulim"><span class="Apple-style-span" style="font-size: 12px; line-height: 17px;"><br></span></font></div><div><font class="Apple-style-span" face="gulim"><span class="Apple-style-span" style="font-size: 12px; line-height: 17px;">감사합니다.</span></font></div><div><font class="Apple-style-span" face="gulim"><span class="Apple-style-span" style="font-size: 12px; line-height: 17px;"><br></span></font></div><div><font class="Apple-style-span" face="gulim"><span class="Apple-style-span" style="font-size: 12px; line-height: 17px;"><br></span></font></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div><div style="font-family: gulim; font-size: 9pt; line-height: 17px; "><br></div>
