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57
A rank-one matrix is the product of two vectors
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29
Product of a vector and its transpose (Projections)
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28
What is an intuition behind total differential in two variables function?
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27
Equation of a plane passing through 3 points
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27
Why does partial differentiation give centre of a conic?
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20
Intuition behind Lagrange multiplier
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20
3rd type of vector multiplication beside dot/cross product?
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19
Kernels and reduced row echelon form - explanation
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18
why scalar projection does not yield coordinates?
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14
Inverse of Perspective Matrix
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14
How do I prove this method of determining the sign for acute or obtuse angle bisector in the angle bisector formula works?
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12
Does there exist a $1$-form $\alpha$ with $d\alpha = \omega$?
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12
How to find the "most upright" orthogonal vector to another vector?
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11
Why is there only one term on the RHS of this chain rule with partial derivatives?
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11
Why are homogenous coordinates needed in image projection?
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11
How to determine the equation of the hyperplane that contains several points
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11
Die fixed so it can't roll the same number twice in a row, using markov chains?
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10
How to find 2D rotation matrix that rotates vector $\mathbf{a}$ to $\mathbf{b}$
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10
how to find null space basis directly by matrix calculation
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10
Does swapping columns of a matrix cause the rows of the inverse matrix to be swapped?
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10
Null Space and Orthogonal Complement
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10
Formula for ellipse formed from projecting a tilted circle onto the xy plane
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10
What is the geometric interpretation of the rowspace?
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9
Dot product between two vectors in cylindrical coordinates?
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9
Complex eigenvalues of a rotation matrix
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9
Find the coefficient of $x^{32}$ in $(x^3 +x^4 +x^5 +x^6 +x^7)^7$
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9
The set that only contains itself
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9
quick question on an example of the derivative as a linear map.
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9
Why do the columns of a unitary matrix form an orthonormal basis?
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9
Why is the sum of elements in each row of $X(X^T X)^{-1} X^T$ in OLS equal to $1$?
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