# David Simmons

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bio website location age member for 1 year, 7 months seen Dec 17 at 13:43 profile views 110

I am currently a PhD student studying communications engineering.

MSc - Communications Engineering

# 40 Questions

 5 Derivative of $\frac{x}{f(x)}\frac{df}{dx}$ 5 Integral substitutions. 4 Evaluating $\int_{x=0}^a e^{-x}e^{-1/x}\,\mathrm dx$ 3 Generalization of log-convexity (log-concavity): log-log-convexity (log-log-concavity)? 3 Lambert Function as a solution

# 575 Reputation

 +5 Lambert Function as a solution +15 Two methods of solving the differential equation $y' = .75 -.005y$ +2 Solve $\log_4 ( 16^{100})$ +5 Derivative of $\frac{x}{f(x)}\frac{df}{dx}$

 3 Two methods of solving the differential equation $y' = .75 -.005y$ 3 Proving the Derivative of $f'(x) = b^x$ 2 Simple use of log 2 Why can matrix exponentiation be done by squaring? 2 Population. $58\%$ say “YES” and $42\%$ say “NO” . chances of different opinions.

# 44 Tags

 6 derivatives × 6 2 probability × 7 4 calculus × 10 2 matrices × 2 4 integration × 6 2 exponentiation 3 differential-equations × 5 2 algebra-precalculus 3 exponential-function 2 statistics

# 10 Accounts

 Mathematics 575 rep 117 Stack Overflow 126 rep 3 Physics 121 rep 4 MathOverflow 113 rep 5 Mathematica 111 rep 3

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