2021-03-03到2021-06-30
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Ch 1 Fields 1.1 Quiz (Gradient of a Scalar Field)
1、 About gradient, which one is right?
A:Gradient of a scalar field is a scalar.
B:The magnitude of a gradient is the maximum change rate of the scalar function.
C:The direction of a gradient is the direction of the directional derivative.
D:The gradient of a constant is not certain.
答案: The magnitude of a gradient is the maximum change