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jdh8
  • Member for 12 years, 7 months
  • Last seen more than 3 years ago
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I am 何震邦 (Chen-Pang He), M.D., Taipei Medical University.

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Top posts

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5
How can I show that $\begin{pmatrix} 1 & 1 \\ 0 & 1\end{pmatrix}^n = \begin{pmatrix} 1 & n \\ 0 & 1\end{pmatrix}$?
Sep 20, 2013
answer
5
Complex inner product aren't inner products.
Apr 15, 2014
answer
4
Evaluate $\int _{ 0 }^{ 1 }{ \left( { x }^{ 5 }+{ x }^{ 4 }+{ x }^{ 2 } \right) \sqrt { 4{ x }^{ 3 }+5{ x }^{ 2 }+10 } \; dx } $
Apr 12, 2013
answer
1
Complicated integral
Apr 20, 2013
answer
1
Sketching the circle for the equation: $\sqrt{(x -1)^2 + (y-1)^2} = \sqrt{2}$
Apr 21, 2013
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1
Integrating $\int{3\sin^2x\cos x \;dx}$
Apr 21, 2013
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1
Is the pseudoinverse of a singular, lower triangular matrix itself lower triangular?
Feb 1, 2015
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0
The axiom of infinity for Zermelo–Fraenkel set theory
Apr 20, 2013
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0
Evaluating $ \int_{1}^{2}\left ( x+3 \right )\ln x \:dx $
Apr 21, 2013
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0
Partial Fraction decomposition when denominator is in $x^2 + a$ form
Sep 18, 2013

Top network posts

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163
Should URL be case sensitive?
42
Constructing diagonal matrix in eigen
30
How to execute promises sequentially, passing the parameters from an array?
20
Color in MathJax
13
nginx permission denied to certificate files for ssl configuration