# Recent questions tagged vector

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State the difference between a row vector and a column vector.
State the difference between a row vector and a column vector.State the difference between a row vector and a column vector. ...
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Are all matrices linear operators?
Are all matrices linear operators?Are all matrices linear operators? ...
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Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{*} w_{j}$
Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{*} w_{j}$Show that $\langle v|A| w\rangle=\sum_{i j} A_{i j} v_{i}^{} w_{j}$ ...
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Give a characterization of the linear operators over $V \otimes W$ in terms of linear operators over $V$ and $W$. Remember that they form a vector space.
Give a characterization of the linear operators over $V \otimes W$ in terms of linear operators over $V$ and $W$. Remember that they form a vector space.Give a characterization of the linear operators over $V \otimes W$ in terms of linear operators over $V$ and $W$. Remember that they form a vector spa ...
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Express $\overrightarrow{\boldsymbol{P} \boldsymbol{Q}}$ as a column vector.
Express $\overrightarrow{\boldsymbol{P} \boldsymbol{Q}}$ as a column vector. (a) $\quad$ Express $\overrightarrow{\boldsymbol{P} Q}$ as a column vector. (b) Find (i) $|\overrightarrow{\boldsymbol{O Q}}|$, (ii) the co ...
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Give the equation for the $L^{p}$ metric on $\mathbb{R}^{2}$.
Give the equation for the $L^{p}$ metric on $\mathbb{R}^{2}$.Give the equation for the $L^{p}$ metric on $\mathbb{R}^{2}$. ...
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An inner product on a real vector space $V$ is a function $\langle\cdot, \cdot\rangle: V \times V \rightarrow \mathbb{R}$ satisfying
An inner product on a real vector space $V$ is a function $\langle\cdot, \cdot\rangle: V \times V \rightarrow \mathbb{R}$ satisfyingAn inner product on a real vector space $V$ is a function $\langle\cdot, \cdot\rangle: V \times V \rightarrow \mathbb{R}$ satisfying ...
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A metric on a set $S$ is a function $d: S \times S \rightarrow \mathbb{R}$ that satisfies
A metric on a set $S$ is a function $d: S \times S \rightarrow \mathbb{R}$ that satisfiesA metric on a set $S$ is a function $d: S \times S \rightarrow \mathbb{R}$ that satisfies ...
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Vector spaces can contain other vector spaces. If $V$ is a vector space, then $S \subseteq V$ is said to be a subspace of $V$ if
Vector spaces can contain other vector spaces. If $V$ is a vector space, then $S \subseteq V$ is said to be a subspace of $V$ ifVector spaces can contain other vector spaces. If $V$ is a vector space, then $S \subseteq V$ is said to be a subspace of $V$ if ...
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How do I describe a Euclidean space?
How do I describe a Euclidean space?How do I describe a Euclidean space? ...
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What are vector spaces?
What are vector spaces?What are vector spaces? ...
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Each diagram shows 3 vectors of equal magnitude. In which diagram is the magnitude of the resultant vector different from the other 3?
Each diagram shows 3 vectors of equal magnitude. In which diagram is the magnitude of the resultant vector different from the other 3? Each diagram shows 3 vectors of equal magnitude. In which diagram is the magnitude of the resultant vector different from the other 3? ...
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What is a vector equation of a line?
What is a vector equation of a line?What is a vector equation of a line? ...
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If an object has constant acceleration, the
If an object has constant acceleration, theIf an object has constant acceleration, the ...
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Does the acceleration vector always point in the direction in which an object is moving?
Does the acceleration vector always point in the direction in which an object is moving?Does the acceleration vector always point in the direction in which an object is moving? If so, describe a situation in which the direction of the acc ...
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What is the 'y' length of a vector with a beginning point of (1, -2) and an end point of (-3, 4)
What is the 'y' length of a vector with a beginning point of (1, -2) and an end point of (-3, 4)What is the 'y' length of a vector with a beginning point of (1, -2) and an end point of (-3, 4) ...
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What is the x length of a vector with a start point of (1, 2) and an end point of (5, 8)?
What is the x length of a vector with a start point of (1, 2) and an end point of (5, 8)?What is the x length of a vector with a start point of (1, 2) and an end point of (5, 8)? ...
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Two vectors are multiplied together. The answer that is produced is also a vector. What kind of multiplication is this?
Two vectors are multiplied together. The answer that is produced is also a vector. What kind of multiplication is this?Two vectors are multiplied together. The answer that is produced is also a vector. What kind of multiplication is this? ...
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What does the given vector represent?
What does the given vector represent? What does the given vector represent? ...
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A normal vector is _____ to a given vector.
A normal vector is _____ to a given vector.A normal vector is _____ to a given vector. ...
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Is the gradient a row vector or a column vector?
Is the gradient a row vector or a column vector?Is the gradient a row vector or a column vector? ...
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When evaluating ATE for continuous RVs, should the answer be always a scalar, or could it be a vector? Would propensity scores still be applicable in such setting?
When evaluating ATE for continuous RVs, should the answer be always a scalar, or could it be a vector? Would propensity scores still be applicable in such setting?when evaluating ATE for continuous RVs, should the answer be always a scalar, or could it be &nbsp;a vector? Would propensity scores still be applicab ...
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What is Support vector regression (SVR)?
What is Support vector regression (SVR)?What is Support vector regression (SVR)? ...
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What is a hyper-plane?