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age 19
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May
28
accepted Calculating a basis in $\mathbb{R}^4$.
May
28
accepted Does linear dependency have anything to do when determining a span?
May
27
accepted When proving if a subset is a subspace, can I prove closure under addition and multiplication in a single proof?
May
27
accepted Proving $||\vec{a}+\vec{b}|| = ||\vec{a}-\vec{b}|| \iff \vec{a} \perp \vec{b}$
May
27
accepted If $n$ vectors are linearly independent, is their span $\mathbb{R}^n$?
May
26
accepted Proving that three points don't belong to the same line.
May
26
accepted About finding points in a plane given its normal equation.
May
25
accepted About the orthogonal projection.
May
23
accepted What does the dot product of two vectors represent?
May
22
accepted Calculating the area of a triangle defined in $\mathbb{R}^3$
May
22
accepted Is comparing the differences between each vector in a triangle enough to determine if it is isosceles?
May
22
accepted Finding $\vec{DE}$ in a triangle $ABC$.
May
21
accepted Proving that this quadrilateral is a parallelogram.
May
20
accepted Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$?
May
11
accepted What to do if the righthand of a constraint is a variable when solving Linear programs?
May
11
accepted About canonical linear programs.
May
5
accepted Combinations for 15 equivalent objects among 3 places.
Apr
10
accepted About the particular solution given an homogeneous solution in a recurrence relation.
Apr
9
accepted How to calculate the determinant when the diagonal is in terms of $k$?
Apr
9
accepted How to determine column dependency without calculating the determinant?