Boston  UniversityME/SE/EC501

Lecture  2

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Course  Logistics

• Starting  Monday,  Sept.  11,  all  lectures  for  both  sections  in  PHO  203,  8:00-‐9:45  AM• Course  website:       http://people.bu.edu/johnb/ME501.html

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𝛼

Linear  Transformation

Pick  basis{vi}

Pick  basis{wi} 𝛼"

𝛽

�̅�

𝛼 = 𝑃𝛼" 𝛼" = 𝑃'(𝛼 β = 𝑃�̅� �̅� = 𝑃'(𝛽

Representation  of  x

Representation  of  x

𝐴

𝐵

𝛽 = 𝐴𝛼

�̅� = 𝐵𝛼"

ℒ ∶ 𝑥     →  ℒ𝑥

Representation  of    ℒ𝑥

Representation  of    ℒ𝑥

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