orbis
Reputation
Next privilege 250 Rep.
 Dec11 awarded Caucus Dec11 awarded Supporter Dec1 accepted Random Walk on Clock Hands Dec1 revised Random Walk on Clock Hands deleted 2 characters in body Dec1 asked Random Walk on Clock Hands Jul2 awarded Curious Oct8 accepted Can someone explain these matrix operations to me? Oct6 revised Can someone explain these matrix operations to me? edited body Oct6 asked Can someone explain these matrix operations to me? May20 accepted Find the volume of the region bounded by $z = x^2 + y^2$ and $z = 10 - x^2 - 2y^2$ May20 asked Find the volume of the region bounded by $z = x^2 + y^2$ and $z = 10 - x^2 - 2y^2$ Apr23 accepted Find the point or points on C closest to the origin. Apr23 accepted Show that , at a local max or min of ||r(t)||, the vector r'(t) is perpendicular to r(t) Apr19 asked Show that , at a local max or min of ||r(t)||, the vector r'(t) is perpendicular to r(t) Apr19 accepted Show that dB/dt . B = 0 Apr19 asked Show that dB/dt . B = 0 Apr18 accepted What is the gradient of $\frac{1}{2}(Ax)\cdot x$ if $A$ is a nonzero symmetric $3\times 3$ matrix Apr18 asked What is the gradient of $\frac{1}{2}(Ax)\cdot x$ if $A$ is a nonzero symmetric $3\times 3$ matrix Apr9 asked Find the point or points on C closest to the origin. Apr9 accepted Find the point on the plane $2x - y + 2z = 20$ nearest the origin