答案如下:

(1)计算A+B: C = A + B

(2)计算A*B: D = A * B

(3)计算A.B: E = A . B

(4)计算A与B矩阵的点积: F = dot(A, B)

(5)计算A与B的叉积: G = cross(A, B)

(6)找出矩阵A的第2列元素: column_2 = A(:, 2)

(7)找出矩阵A的第2行第3列元素: element_2_3 = A(2, 3)

MATLAB矩阵运算:加减乘除、点积、叉积、元素提取

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