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Lecture 5

MAT 114 Lecture Notes - Lecture 5: Asteroid Family, Institution Of Engineering And Technology, Row And Column Vectors


Department
Mathematics
Course Code
MAT 114
Professor
Lisa Holden
Lecture
5

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Section 4.1 and Section 4.2
Matrix Addition
Scalar Multiplication and
Matrix multiplication
nm me xnMatrix A
is arectangular array
of real numbers with Nl
rows and Ncolumns
example
Bto 87

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matrix Bis 23
matrix 12 rows and
3columns
the entries of matrix
Bare I46,5
10 and O
the entry biz or Biz
is the entry in the
1st row and 2nd
column 4
OWhat is bas
5What is ba

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Two matrices are equal if they
have the same dimensions
and the corresponding entries
are equal
EXCERISE II
Solve for XYZand W
I
wIZIG Et
Xt y3
YtZ5
Ztw7
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