lec 9 선형대수학 : 전치행렬과 행렬식 ( transposed matrix and its determinant)

array(10) { [0]=> object(stdClass)#4264 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "0um76u3eqFI" ["related_video_title"]=> string(98) "lec1 선형대수학 : 벡터를 이용한 연립방정식의 풀이 (row picture. column picture)" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(12) "수학짜쭌" } [1]=> object(stdClass)#4237 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "35ESC-g49fY" ["related_video_title"]=> string(59) "제3장: 선형변환과 행렬 | 선형대수학의 본질" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(21) "3Blue1Brown 한국어" } [2]=> object(stdClass)#4262 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "fuVMiyahzH4" ["related_video_title"]=> string(95) "행렬식 이 영상만 보면 기본 끝! | 행렬식의 성질 | 기본행연산과 행렬식" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(16) "설레는 수학" } [3]=> object(stdClass)#4269 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "X564toU2riA" ["related_video_title"]=> string(37) "행렬 곱에 대한 새로운 시각" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(31) "공돌이의 수학정리노트" } [4]=> object(stdClass)#4248 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "fsSs7QJq0cU" ["related_video_title"]=> string(178) "Иран нанес самый мощный ракетный удар по Израилю – Тель-Авив объявляет чрезвычайное положение" ["posted_time"]=> string(23) "5 часов назад" ["channelName"]=> string(20) "JET TEMPUR INDONESIA" } [5]=> object(stdClass)#4266 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "0dq1pYxwn1A" ["related_video_title"]=> string(87) "lec 5 선형대수학 : 기약행사다리꼴행렬 ( reduced row echelon form matrix )" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(12) "수학짜쭌" } [6]=> object(stdClass)#4261 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "kYB8IZa5AuE" ["related_video_title"]=> string(113) "Линейные преобразования и матрицы | #3 Основы линейной алгебры" ["posted_time"]=> string(19) "8 лет назад" ["channelName"]=> string(11) "3Blue1Brown" } [7]=> object(stdClass)#4271 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "K6WQNao30YE" ["related_video_title"]=> string(74) "선형대수학 11강: 행렬 곱셈의 성질 (한글 자막) [쑤튜브]" ["posted_time"]=> string(19) "6 лет назад" ["channelName"]=> string(22) "수학채널 쑤튜브" } [8]=> object(stdClass)#4247 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "B1ULvYY-0Uo" ["related_video_title"]=> string(124) "Закон сохранения энергии — величайшее заблуждение физики [Veritasium]" ["posted_time"]=> string(21) "1 день назад" ["channelName"]=> string(10) "Vert Dider" } [9]=> object(stdClass)#4265 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "-Vd1aesu1lY" ["related_video_title"]=> string(102) "Арестович: Украина и Россия перепутали врагов. @yulialatynina71" ["posted_time"]=> string(24) "11 часов назад" ["channelName"]=> string(17) "Alexey Arestovych" } }