Variable x must be of size [2 1]. It is currently of size [2 2]. Check where the variable is assigned a value.
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All lines except the 8th comes up as correct but line 8 comes up as incorrect and states the reason "Variable x must be of size [2 1]. It is currently of size [2 2]. Check where the variable is assigned a value."
How can i change this code to get a [2 1] matrix instead of [2 2] ?
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KSSV
2020 年 5 月 18 日
A = [1 2 4 5 7 ; 9 2 1 4 13] ;
B = [-11 2 ; 3 -1 ; 2 0; 5 11 ; -21 1];
C = A*B ;
D = B*A ;
s = det(C) ;
t = det(D) ;
x = inv(C).*[8 -1].^t ;
10 件のコメント
KSSV
2020 年 5 月 25 日
clc; clear all ;
D = [-3 -18 1 -47 3 ;
2 4 2 11 1 ;
1 4 3 10 8 ;
1 32 4 69 5 ;
7 -40 5 -101 -1] ;
b = [11 ; 3 ;7 ;-17 ;1] ;
x = D\b
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