Nico Bellic
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 Nov29 awarded Yearling Sep24 awarded Autobiographer Jul2 awarded Curious Oct30 awarded Notable Question Mar10 awarded Popular Question May24 comment How can I resolve a matrix of 13 rows and 40 columns? Try online matrix calculators. There most certainly should be some. May21 comment Derivative of a weird Integral and Derivative of a Function Hi Teckizt. You have to notice a pattern for the derivative part. First derivative is $1/(x-1)^2$. The third is $((3-2x)x^2)/(x-1)^2$. The four is $((4-3x)x^3)/(x-1)^2$. Notice the pattern? May20 revised Change of Basis Calculation Improved formatting May20 suggested approved edit on Change of Basis Calculation May19 comment How to prove inequality So is $d=3$? or $a,b,c,d$ are any elements of $\mathbb{N}$? May18 revised Question about non-homogeneous and homogeneous linear D.E. deleted 69 characters in body May17 comment Find all positive integers $L$, $M$, $N$ such that $L^2 + M^2 = \sqrt{ N^2 +21}$ Dammit Marvis, you beat me to it haha. May13 comment Eigenvalues of a matrix $A$ such that $A^2=0$. @froggie Yes you are correct. The only is unnecessary there. May13 comment Eigenvalues of a matrix $A$ such that $A^2=0$. @froggie I think it is. mathresource.iitb.ac.in/linear%20algebra/proof10.3.2.html May13 comment Eigenvalues of a matrix $A$ such that $A^2=0$. @preeti It will be diagonalizable with entries from $R$ only if the $nxn$ matrix is symmetric with $n$ distinct eigenvalues. May13 awarded Critic May12 answered Irregular singular point of a DE May11 revised A First Course in Linear Algebra Text added 807 characters in body May11 comment A First Course in Linear Algebra Text Hi Nunoxic. I added Strang. I think that one complements well with engineering applications. EDIT: I also see that you chose it too! May11 awarded Teacher