Math Problem Statement
The temperature at a point is given by where is measured in and , , and in meters.
- Find the rate of change of the temperature at the point in the direction toward the point
Answer:
-
In what direction does the temperature increase fastest at ? Answer:
-
Find the maximum rate of increase at . Answer:
Solution
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Math Problem Analysis
Mathematical Concepts
Multivariable Calculus
Gradient
Directional Derivatives
Rate of Change
Formulas
Directional Derivative: D_π T = βT(x, y, z) Β· π
Gradient: βT(x, y, z) = (βT/βx, βT/βy, βT/βz)
Maximum rate of increase: |βT(x, y, z)|
Theorems
The gradient of a scalar field points in the direction of the steepest ascent.
The directional derivative formula gives the rate of change of a scalar function in a specific direction.
Suitable Grade Level
University Level - Multivariable Calculus
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