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May
23
accepted What does the dot product of two vectors represent?
May
22
awarded  Tumbleweed
May
22
asked 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
comment Calculating the area of a triangle defined in $\mathbb{R}^3$
Or manually count every pixel inside the triangle!
May
22
asked 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
asked 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
22
asked Finding $\vec{DE}$ in a triangle $ABC$.
May
22
comment What are the implications of $\vec{AB} = \vec{CD}$?
@GrahamKemp: Curious: are $\vec{AB} = \vec{BA}$ considered equal? Or they aren't because the direction is different?
May
22
asked What are the implications of $\vec{AB} = \vec{CD}$?
May
21
accepted Proving that this quadrilateral is a parallelogram.
May
21
asked Proving that this quadrilateral is a parallelogram.
May
20
accepted Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$?
May
19
asked Finding a vertex to complete a parallelogram in $\mathbb{R}^3$ and finding a cosine between two vectors.
May
18
comment Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$?
@Rahul: So $1 = 1$?
May
18
asked Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$?
May
17
awarded  Citizen Patrol
May
17
comment What's wrong with this linear program formulation?
I have added the variables and progressed on the problem. Now I have to solve an expanded program, but I can't find the pivot because $a$ is on the righthand side and I don't know the value of $a$. Does that mean I should have moved $a$ to the lefthand from the beginning?