• 2022-06-07 问题

    If F is a vector field, then divF is a vector field.

    If F is a vector field, then divF is a vector field.

  • 2022-06-07 问题

    In the vector field, the vector line is such a curve where ( ) A: The tangent direction at each point on it is orthogonal to the direction of the vector field at that point. B: The tangent direction at each point on it is parallel to the direction of the vector field at that point. C: The value of each point on it is equal to the value of the vector field at that point. D: The vector line is the geometric curve of the vector field function.

    In the vector field, the vector line is such a curve where ( ) A: The tangent direction at each point on it is orthogonal to the direction of the vector field at that point. B: The tangent direction at each point on it is parallel to the direction of the vector field at that point. C: The value of each point on it is equal to the value of the vector field at that point. D: The vector line is the geometric curve of the vector field function.

  • 2022-07-22 问题

    下列创建vector容器对象的方法中,错误的是( ) A: vector v(10); B: vector v(10, 1); C: vector v{10, 1}; D: vector v = (10, 1);

    下列创建vector容器对象的方法中,错误的是( ) A: vector v(10); B: vector v(10, 1); C: vector v{10, 1}; D: vector v = (10, 1);

  • 2022-06-07 问题

    The coordinates of a vector relative to a basis in a vector space is unique.

    The coordinates of a vector relative to a basis in a vector space is unique.

  • 2022-07-28 问题

    下面哪条语句创建了一个存有10个整数的vector对象? A: std::vector<int> v(10); B: std::vector v; C: std::vector v[10]; D: std::vector<int> v[10]; E: std::vector(int) v;

    下面哪条语句创建了一个存有10个整数的vector对象? A: std::vector<int> v(10); B: std::vector v; C: std::vector v[10]; D: std::vector<int> v[10]; E: std::vector(int) v;

  • 2022-06-07 问题

    Any subset of a vector space V which contains the zero vector is a subspace of V.

    Any subset of a vector space V which contains the zero vector is a subspace of V.

  • 2021-04-14 问题

    载体(vector)

    载体(vector)

  • 2022-06-11 问题

    If a is known to be a 2×3 matrix, then after executing a=a(:), ( ). A: a transforms to a column vector B: a transforms to 3 rows and 2 columns C: a transforms to 3 rows and 3 columns D: a transforms to 2 rows 3 and columns

    If a is known to be a 2×3 matrix, then after executing a=a(:), ( ). A: a transforms to a column vector B: a transforms to 3 rows and 2 columns C: a transforms to 3 rows and 3 columns D: a transforms to 2 rows 3 and columns

  • 2022-07-22 问题

    vector=ADC12_VECTOR有 个中断源共享这个中断向量。 A: 8 B: 3 C: 17 D: 16

    vector=ADC12_VECTOR有 个中断源共享这个中断向量。 A: 8 B: 3 C: 17 D: 16

  • 2022-06-07 问题

    In vector quantization process, the input vector is matched with the codeword in the codebook with a kind of criterion named distortion measure.

    In vector quantization process, the input vector is matched with the codeword in the codebook with a kind of criterion named distortion measure.

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