Rank(ab)

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Hailey Christian
Hailey Christian 2021 年 9 月 28 日
回答済み: Steven Lord 2021 年 9 月 28 日
I am given the equations and know that the 3x3 matrix as a and then the numbers that are after my equal sign I assigned that b so it is a 3x1 and i have found the rank for a but i dont know how to do the rank(ab) i have tried typing it a few different was including rank(a b) rank(ab) rank (a;b) and none of them work

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Steven Lord
Steven Lord 2021 年 9 月 28 日
Ran in:
Do you mean you want to augment the matrix a with the vector b?
A = [1 2 3; 4 5 6; 7 8 9]
A = 3×3
1 2 3 4 5 6 7 8 9
b = [10; 11; 12]
b = 3×1
10 11 12
Ab = [A, b]
Ab = 3×4
1 2 3 10 4 5 6 11 7 8 9 12

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