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Companion webpage to the book "Mathematics For Machine Learning"
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If and only if sign is used (<=>). The correct sign should be (=>). #677

Closed AftabHussain closed 3 years ago

AftabHussain commented 3 years ago

Describe the mistake If and only if sign is used (<=>). The correct sign should be (=>).

Location

  1. version : Draft (2021-05-08)
  2. Chapter : 2. Linear Algebra
  3. page : 22
  4. line number/equation number : 2.10

Proposed solution The correct sign should be (=>).

Additional context There relationship between equations 2.9 and 2.10 is not based on "if and only if". The correct relationship is implies.

mpd37 commented 3 years ago

<=> is correct. Both expressions are equivalent.