上三角行列式
![上三角形行列式](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83B3FFDE23D7BCD236214EE183A9BE6944B1BEFF30E6A33C48BD9909A5C107D9FF00AD6A7303077197E95E17D7BAB3A88AD428548FF56BF8AC7DCF894928F8846E607C9F03D587CF2A19514DEBE06C3A16)
上三角形行列式
图片尺寸410x169![线性代数【1】线性代数是什么【2】行列式计算【3】行列式性质【特殊](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E99A5DAFE5BFD6FCD9924FB526F14BA193F0E74F83D022D568750D4DD180FE408557D79359F83376C7C0BA127DB4F8BD5CF68DB01F2F7F55B0BD0751C0A02FE036DA9A2959908AB1E0A3D99827E64DDE21)
线性代数【1】线性代数是什么【2】行列式计算【3】行列式性质【特殊
图片尺寸1574x868![怎么把行列式化为上三角形行列式](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831F17AAB0AE29D433599664D37FE89222E0829161FF33056FA4E7EAD2B8923E399F0CC8B662B1108C04028BA8B167740064F012DE7EB6D143EBD2DA637534B86512F696A4CCB00651CADB7DB3D09A4C54)
怎么把行列式化为上三角形行列式
图片尺寸432x489![高等代数考研复习 [行列式]答案ppt](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73AC09E931E60198B49738762F7214EEF95497DD87ED09D468ABF4EA8FE23D6E1FBB09BB1B7D599243D960B73C27D467A80F45E8DA144BCB515C3200D01DD415C0189FBA5AD3EABDBC73D8093150BBF7F2)
高等代数考研复习 [行列式]答案ppt
图片尺寸1080x810![线性代数#三角形行列式 - 抖音](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9F5C1351CA43EA0E42AF1D8DE5350DAC3AFEA58B03D93E154ABC3D125262795BB21C29D11175252BA81BCA93E92E1DDF261518229DB72295FA591FDCAA741E9B83797A70D6EFE8D3821040E0F7BEB0C6F)
线性代数#三角形行列式 - 抖音
图片尺寸1920x886![线)三角行列式又根据零元素所在位置分为上三角行列式和下三角行列式](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7354574847518683DE7EBBE81B5115F50E5EDF980DCD182913B76A8763EE5F8232A4553739480BD8DEE2474049581BBFD6E30431BF746FBD2B645C4EF8BCF610EA7D048E0304335EED4D1C72BBEDAA96CD)
线)三角行列式又根据零元素所在位置分为上三角行列式和下三角行列式
图片尺寸3601x1821![你好!可以如图用行列式的性质化成上三角行列式计算.](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9ADE7EF5DCD56E7E573A92804CD10C9B07584185051E9B7B8E16674BFA68E1B49C6C3B799C3660EA1C5A478DF2B70BF27EE54A9327BC7A4B02EA36AD57AFBD97707F5094D6AF97BF0B00CE041D2275CDD)
你好!可以如图用行列式的性质化成上三角行列式计算.
图片尺寸570x431![可用行列式性质如图化为上三角行列式.](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83750E1835CF401790ACBC19FE0E90C8E0F908B0CA82B954F658AF9A08B42E5E2DA92B7485C4170D2FE402934279E462CD2E27F1D0D8238AF08CB19623BC5F61E3232BAE6FE21B66F406065542F959201E)
可用行列式性质如图化为上三角行列式.
图片尺寸604x579![这道 行列式怎么 变成三角形式](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8357D8C54BABF31867D5C2E3416943F8FDEC722D40E68F29D6F4D5BE8635F05604EC25A271BBDD9C00AA5B207D69C2E69559512DD4D821A401D5C53B3A457600DAC470C489E8E82A0086B224BD14C0B6D0)
这道 行列式怎么 变成三角形式
图片尺寸775x465![行列式,主对角线全是x,上三角全是z,下三角全是y,怎么求](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83C821D0630F7971CBE460D9769780796CADFD48A99F1439CD3C9A00D7AB26CE5A81966536CE6CC5C74CA8CDB17293DF27DBD1E0F05C8912AE0D4539189404D431B3A0D50AA2866FF35DFAD20E89EDCB93)
行列式,主对角线全是x,上三角全是z,下三角全是y,怎么求
图片尺寸705x806![可以用加边法如图化成上三角行列式计算,把x换成a.](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83983A968F9E617E2F538829664F1BC8CA4AF890B13A646D5D815B765523EAD7FD835B8E89BE1B021DAC4074B759D3A3A0EFD474DCBD2BDF3C50AF125052D01593495611E379EA49FDDDE70817A3B6FCF1)
可以用加边法如图化成上三角行列式计算,把x换成a.
图片尺寸870x475![展开全部 这是分块三角形行列式](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A734320ECDAA98B5713F332179A201C88AB145A5286342A89E12C383B6402C662B421405FBDA4BBDC9987E62B4D69DEDB9393F8C4D0F231244542915F50F5862B6905CB5826EBB320BC772C07B99987BEA2)
展开全部 这是分块三角形行列式
图片尺寸619x716![(1)利用行列式的基本性质将行列式化为上(下)三角行列式或对角行列式](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9C70C80CFB65C0BC4A74B02423F4E29C05BEF65E5F4651F093B7D774299F66AF191BECD04486368594845A951481471453945A573E33E2EE7D4B6092C6F22FBF626B002975A170E8F74473B7720F409B1)
(1)利用行列式的基本性质将行列式化为上(下)三角行列式或对角行列式
图片尺寸1080x1439![a2 n a11a22 ann ann 这是因为上三角行列式的转置是下三](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E834DD2E9A14AD5B196D211A51EB78AFD85CC31A38821BDACA65AF37240235B437CA5E90861FFA99A8F0B8CE19321BE446A1C3BDA28B3F3EFF83A8B548FB53AB7FCD5CB5A0E9DEB04A34B38D281C0572BBB)
a2 n a11a22 ann ann 这是因为上三角行列式的转置是下三
图片尺寸1080x810![已知三点求三角形面积可以用行列式表示1页](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73986A1774C1638BCB234FCA1A85EB20D469D44B9EB91D08EFF1EECDAFCD36ED89810668B66945FA746E3880FDD309E331AB12B44C37F72AF2DFEED2824C3F467A6D7903DE2493F4BCC2621A20BB8C35D0)
已知三点求三角形面积可以用行列式表示1页
图片尺寸920x1302![性质1 :经转置行列式的值不变(行列性质不变)性质2:互换行列式的两行](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83E45A83F5BEE309CD8F96A4BA17AC6FA77887E7497000ECCBD7E9E7591740365DA09AE88D6BAD392A2CDEECCBB40FFD23AF87295F4C10D4426D2BB6C01707A41E7309CD85E19D040752CADBADA3C7B647)
性质1 :经转置行列式的值不变(行列性质不变)性质2:互换行列式的两行
图片尺寸1080x1439![三角形行列式法利用行列式性质,把行列式化成三角形行列式. =例](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83F1482A6FC49E2A9C3D982FFFC5977A034DC7327AB8F9E8A7266FC33B2CFC2448F01A00A0E4C66A90D4EA1D87226F5CBD0658028F727D59310FB4F4481C64F68BD43CC8650D6F3958A1340F2CD44CC541)
三角形行列式法利用行列式性质,把行列式化成三角形行列式. =例
图片尺寸496x702![2021考研数学运用三角化法计算行列式](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8301EB95AD7A8CBD3062FF2D9F9C99A07D57E2F58477925C6C4A8E91AE1E98CDEF079D2781C3A561F3EE00C12815B3DEBF88F455D91C8C84B2A903718F242DD7CE503268C1F579BDDE1087BD574ED38EB5)
2021考研数学运用三角化法计算行列式
图片尺寸563x600![2行列式值的计算ppt 证明上三角行列式 a11 a12 a1n 0 d 0 a22](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73EF716E1BD668A575D344F62962F8426A1AE00B3560B295C6ED98858C68E485945320560B799929B2DD111932AD7324B12A3E83AAD4D3CDC42FE7FAB0C50E925C63CA08AB3D8E8D801B33CDACC1CB6666)
2行列式值的计算ppt 证明上三角行列式 a11 a12 a1n 0 d 0 a22
图片尺寸1080x810![零基础学线代 | n阶行列式,上下三角行列式](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E93381B7A3A67999E167ED15DB412EFD212CD7B2646B1AB02FFAFE88D518B7FCC6AA487388A11104083B01C043F021D4E29313915F7C9CF81FA731203E7897FCD96A509D0442A23EC66029664C5F482722)
零基础学线代 | n阶行列式,上下三角行列式
图片尺寸992x1280