how to multiply only the second row of matrix with a number

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Hung Tat Ho
Hung Tat Ho 2021-8-8
编辑： Hung Tat Ho 2021-8-8
how to multiply only the second row of matrix 2*2 with a random integer and change entry 2*2 to be equal to the entry (1,2)

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KSSV
KSSV 2021-8-8
If A is 2*2 matrix. To multiply the second row with a constant:
K = 5 ; % a constant
A(2,:) = K*A(2,:) ;
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Hung Tat Ho
Hung Tat Ho 2021-8-8
编辑：Hung Tat Ho 2021-8-8
thanks mate> do you know how to change entry matrix 2*2 to be equal to the entry matrix (1*2)?

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