Zol Tun Kul
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 May22 accepted Calculating the area of a triangle defined in $\mathbb{R}^3$ May22 comment Calculating the area of a triangle defined in $\mathbb{R}^3$ Or manually count every pixel inside the triangle! May22 asked Calculating the area of a triangle defined in $\mathbb{R}^3$ May22 accepted Is comparing the differences between each vector in a triangle enough to determine if it is isosceles? May22 asked Is comparing the differences between each vector in a triangle enough to determine if it is isosceles? May22 accepted Finding $\vec{DE}$ in a triangle $ABC$. May22 asked Finding $\vec{DE}$ in a triangle $ABC$. May22 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? May22 asked What are the implications of $\vec{AB} = \vec{CD}$? May21 accepted Proving that this quadrilateral is a parallelogram. May21 asked Proving that this quadrilateral is a parallelogram. May20 accepted Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$? May19 asked Finding a vertex to complete a parallelogram in $\mathbb{R}^3$ and finding a cosine between two vectors. May18 comment Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$? @Rahul: So $1 = 1$? May18 asked Why $\vec{AB} - s\vec{AB} = (1-s)\vec{AB}$? May17 awarded Citizen Patrol May17 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? May16 revised What's wrong with this linear program formulation? added 1386 characters in body May16 comment What's wrong with this linear program formulation? Oooh, I see - so I need to add two artificial variables, since I already have other two, right? May16 asked What's wrong with this linear program formulation?