Use Lagrange multipliers to find the minimum distance from the curve or surface to the indicated point Surface Point Plane: x + y + z = 1 (4, 1, 1)

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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**Using Lagrange Multipliers to Find the Minimum Distance**

To determine the minimum distance from a given curve or surface to a specified point using Lagrange multipliers, consider the following example:

- **Surface:**  
  The equation of the plane is given by \( x + y + z = 1 \).

- **Point:**  
  The coordinates of the point are \( (4, 1, 1) \). 

This method involves the use of Lagrange multipliers, which is a strategy in optimization that helps find the minimum or maximum values of a function subject to constraints. In this scenario, the constraint is represented by the equation of the plane. The goal is to find the point on the plane that is closest to the given point by minimizing the distance function.
Transcribed Image Text:**Using Lagrange Multipliers to Find the Minimum Distance** To determine the minimum distance from a given curve or surface to a specified point using Lagrange multipliers, consider the following example: - **Surface:** The equation of the plane is given by \( x + y + z = 1 \). - **Point:** The coordinates of the point are \( (4, 1, 1) \). This method involves the use of Lagrange multipliers, which is a strategy in optimization that helps find the minimum or maximum values of a function subject to constraints. In this scenario, the constraint is represented by the equation of the plane. The goal is to find the point on the plane that is closest to the given point by minimizing the distance function.
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