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 Oct 17 comment Given a parallelepiped, how do I find the determinant given vertices? Great! Thank you Oct 17 accepted Need help with Determining a formula for a Resistance using a linear system for loop currents Oct 17 asked Given a parallelepiped, how do I find the determinant given vertices? Oct 17 comment Determinants of Variables It would certainly alter the k value, but I'm not sure how to denote this. Oct 17 comment Need help with Determining a formula for a Resistance using a linear system for loop currents Okay, great. And the equations you found are considered a "linear system" for the loop currents? Oct 17 comment Determinants of Variables I'm not sure about the rows in the middle. That's all that is given. Oct 17 comment Determinants of Variables The size isn't given. Oct 17 asked Determinants of Variables Oct 17 awarded Editor Oct 17 revised Need help with Determining a formula for a Resistance using a linear system for loop currents edited body Oct 16 asked Need help with Determining a formula for a Resistance using a linear system for loop currents Oct 5 awarded Nice Question Oct 3 comment Find a $4\times 4$ matrix $A$ where $A\neq I$ and $A^2 \neq I$, but $A^3 = I$. I think it can be any type of matrix. Oct 3 comment Find a $4\times 4$ matrix $A$ where $A\neq I$ and $A^2 \neq I$, but $A^3 = I$. Fixed, accepted previous answers from those who have helped me. Oct 3 accepted How do I determine linear independence when I don't know the values of the vectors? Oct 3 accepted Show that the transformation T defined by $T(x_1, x_2)\; = \;…$ is NOT linear. Oct 3 accepted A linear transformation $T$ is defined by $T(x_1, x_2)$ Find the image of the line that passes through the origin and point $(1,-1)$ Oct 3 accepted How to solve / set up three equations three unknowns with a matrix? Oct 3 awarded Scholar Oct 3 awarded Supporter