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Charles Hudgins's user avatar
Charles Hudgins's user avatar
Charles Hudgins
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6 votes
2 answers
22k views

Change of Base Formula for Exponents

6 votes
2 answers
202 views

Roots of $x^2+bx+c=0$ with $|b|\leq 1$ and $|c|\leq 1$ have absolute value at most the Golden Ratio. Coincidence?

6 votes
1 answer
256 views

Double Pendulum Simulation Accuracy?

5 votes
4 answers
820 views

Why does compound interest exist?

5 votes
1 answer
730 views

Integrals Over Complex Domains

4 votes
0 answers
51 views

Other Near Inverses in Mathematics

4 votes
1 answer
161 views

Why do mathematicians say "map" and "mapping" when talking about functions?

4 votes
0 answers
116 views

Momentum constraints for a Singular Lagrangian

4 votes
0 answers
102 views

Oscillations of an Energy Eigenstate

4 votes
0 answers
87 views

Quotient of a ring that identifies associates

4 votes
0 answers
118 views

Geometric Motivation for Inner Product

4 votes
1 answer
232 views

Groups between $\operatorname{GL}_n (R)$ and $\operatorname{SL}_n(R)$?

4 votes
2 answers
70 views

Meaning of a formula for the $y$-intercept?

4 votes
1 answer
233 views

Alternative Definition for the Derivative

3 votes
1 answer
395 views

Shifrin Differential Geometry Exercise $1.2.27$ -- A Differential Equation For Bikes

3 votes
2 answers
371 views

Why don't we just use the outer measure?

3 votes
2 answers
306 views

Quotient by Kernel of Monoid Homomorphism?

3 votes
0 answers
82 views

When does $F'(c)$ exist? When does $F'(c) = f(c)$?

3 votes
2 answers
161 views

Index Notation - An Inconsistency with a deeper meaning?

3 votes
2 answers
65 views

Is there a name for functions $f:\mathbb{R} \to \mathbb{R}$ such that whenever $|a - b| < |b - c|$ we have $|f(a) - f(b)| < |f(b) - f(c)|$?

3 votes
2 answers
196 views

Partitioning the Reals into two Locally Uncountable, Dense Sets [duplicate]

3 votes
0 answers
112 views

Generalized Measure of Central Tendency

3 votes
2 answers
125 views

Can $\int_0^\infty f (x) \, dx$ exist if $\lim_{x \to \infty} f(x)$ does not exist?

3 votes
0 answers
28 views

Curvature From Calculus of Variations?

2 votes
1 answer
165 views

Integral From Electricity and Magnetism

2 votes
1 answer
156 views

Why doesn't ${n \choose 4} = { {n \choose 2} \choose 2}$?

2 votes
3 answers
6k views

Two dimensional integral involving Dirac delta

2 votes
1 answer
182 views

Explicit description of the map with the nilradical as its kernel

2 votes
1 answer
111 views

Function that grows as fast as sum of previous values

2 votes
1 answer
175 views

Equivalence of Two Forms of the Exponential Function [duplicate]