关于方程求解问题。

现有向量M3

M3 =

0.31945904000790307305 - 0.005046959987684505082*y - 815179.0752415504373*x

0.10784031501425366875 - 0.0017037136599679645953*y - 275181.83794505179724*x

0

13321839167179.401168*x + 82478.551333332184197*y - 5220690.3795702961347

1.0

如何将第一行和第二行提取出来使其均等于零并求得未知数x和y的精确解

Answer 1

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syms x y

M3 =[0.31945904000790307305 - 0.005046959987684505082*y - 815179.0752415504373*x

0.10784031501425366875 - 0.0017037136599679645953*y - 275181.83794505179724*x

0

13321839167179.401168*x + 82478.551333332184197*y - 5220690.3795702961347

1.0];

[Sx,Sy]=solve(M3(1)==0,M3(2)==0,x,y)