列式与线性方程组 方阵的行列式det函数 克菜姆法则,有唯一解的条件 线形方程组的求解A*=b→x=inA)*b x,+2x,+3x,=35 =4 6x1+5x2+4x2=77 9x1+5x2+2x2=75
行列式与线性方程组 方阵的行列式 det 函数 克莱姆法则，有唯一解的条件 线形方程组的求解 A*x = b → x = inv(A) * b 9 5 2 75 6 5 4 77 2 3 35 1 2 3 1 2 3 1 2 3 + + = + + = + + = x x x x x x x x x 7 5 4 3 2 1 = = = x x x
第三章到此结束
第三章到此结束
Back 夏 ATLAB 回囟 Eile Edit Debug Desktop Window Help De 8 Ban o t? Current Directory: D: iProgra-l Matlab7 work shortcuts E How to Add E what's New >B=[123:456;789;101112] 258 6 101112 >B=[1,2,3,4;5,6,7,8;9,10,11,12] 12 Current Directory Workspace Command History Command Window A Start
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Back 夏 ATLAB Eile Edit Debug Desktop Window Help De 8 DBno t? Current Directory: D: iProgra-1 Matlab7 work shortcuts E How to Add E what's New Comand indow >>x=1:2:25 15171921 >>t=1:16 >y=0:0.01:0.1 00.01000.02000.03000.04000.05000.06000.07000.08000.09000.1000 Current Directory Workspace Command History Command Window A Start
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Back 夏 ATLAB 回囟 Eile Edit Debug Desktop Window Help 哈n尊区? Current Directory D: Prograw1Watlab7work Shortcuts How to Add a what's New >x=1 Inspace(1,19,10) 〉x=1 inspace(0,1,10) 00.11110.22220.33330.44440.55560.66670.77780.88891.0000 >>x= linspace(0, pi, 11) 31420.62830.94251.25661.57081.8850 9912.51332.82743.1416 Current Directory Workspace Command History Command Window 4St
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