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Unformatted text preview: + 12 4 8 5 1 4 9 4 2 5 4 1 b) =  6 1 4 8 1 6 5 c) =  12 16 7 2 6 42 18 31 10 5 22 14 1 34 13 46 7 53 2 67 8 34 15 7 3 4 9 4 7 12 Scalar Multiplication To multiply a matrix by a scalar (a constant), multiply each element in the matrix by that constant. Ex . Multiply. 2 7 3 3 1 4 9 =  A negative matrix A , denoted – A , is actually –1 A (the matrix multiplied by the scalar –1). Ex . Given matrix B = 7 2 1 3 , find – B .B = The zero matrix has the property that any matrix A + 0 = O +A = A where represents the zero matrix. Ex . 1 7 3 4 + =  Assign: MM p.564 #18...
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 Fall '08
 Kim
 Calculus, Addition, Multiplication, Subtraction, Matrices, Scalar, Elementary arithmetic, Ex. Thao

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