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Learning Module 2 3 Study Sheets
Quantitative Business Tools I (University of Central Florida)
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Learning Module 2.2 Study Sheets
The product of a scalar 𝒌 and a matrix 𝑿
is the matrix 𝒌𝑿
each of whose elements is 𝒌 times the
corresponding element of 𝑿
1
Downloaded by john gatheca ()
, lOMoARcPSD|28964921
Learning Module 2.2 Study Sheets
The product of a scalar 𝒌 and a matrix 𝑿
is the matrix 𝒌𝑿
𝟏 −𝟔 𝟓 −𝟑𝟎
A= 𝟓 𝟏 5 𝑨 = 𝟐𝟓 𝟓
𝟗 𝟒 𝟒𝟓 𝟐𝟎
Multiply matrix 𝑨 by the scalar “ 5”
Let 𝑨 be an 𝒎 x 𝒏 matrix
Let 𝑩 be an 𝒏 x 𝒌 matrix
The product matrix 𝑨𝑩 is an 𝒎 x 𝒌 matrix
© 2012 Pearson Education, Inc.. All rights
reserved.
2
Downloaded by john gatheca ()
Learning Module 2 3 Study Sheets
Quantitative Business Tools I (University of Central Florida)
Studocu is not sponsored or endorsed by any college or university
Downloaded by john gatheca ()
, lOMoARcPSD|28964921
Learning Module 2.2 Study Sheets
The product of a scalar 𝒌 and a matrix 𝑿
is the matrix 𝒌𝑿
each of whose elements is 𝒌 times the
corresponding element of 𝑿
1
Downloaded by john gatheca ()
, lOMoARcPSD|28964921
Learning Module 2.2 Study Sheets
The product of a scalar 𝒌 and a matrix 𝑿
is the matrix 𝒌𝑿
𝟏 −𝟔 𝟓 −𝟑𝟎
A= 𝟓 𝟏 5 𝑨 = 𝟐𝟓 𝟓
𝟗 𝟒 𝟒𝟓 𝟐𝟎
Multiply matrix 𝑨 by the scalar “ 5”
Let 𝑨 be an 𝒎 x 𝒏 matrix
Let 𝑩 be an 𝒏 x 𝒌 matrix
The product matrix 𝑨𝑩 is an 𝒎 x 𝒌 matrix
© 2012 Pearson Education, Inc.. All rights
reserved.
2
Downloaded by john gatheca ()