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May
28
asked Does linear dependency have anything to do when determining a span?
May
27
asked Proving that a subset is a subspace by showing a scalar combination.
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
comment When proving if a subset is a subspace, can I prove closure under addition and multiplication in a single proof?
Reckon this would apply to any problem of this kind, or only certain ones?
May
27
asked 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
asked 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
comment If $n$ vectors are linearly independent, is their span $\mathbb{R}^n$?
@Muphrid: My concept of Span is pretty basic. To me, it's just the set of all vectors resulting from all linear combinations of the $n$ vectors.
May
26
asked If $n$ vectors are linearly independent, is their span $\mathbb{R}^n$?
May
26
asked Why is this simplex procedure not working? $\min z = y - x + 1$
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
26
comment About finding points in a plane given its normal equation.
@ManuelFdzLpz: You forgot the question mark after that statement!
May
26
asked About finding points in a plane given its normal equation.
May
25
comment From plane parametric to normal equations and viceversa.
I'm kind of unfamiliar with that Null[] = Span{} thing you did there, what is it?
May
25
asked From plane parametric to normal equations and viceversa.
May
25
accepted About the orthogonal projection.
May
25
comment About the orthogonal projection.
Thank you, regarding the first point, would $$Proj_{\vec{CD}}\vec{AB}$$ in this image: i.stack.imgur.com/gCA9b.png yield the red line I made there?
May
25
asked About the orthogonal projection.