theideasmith's user avatar
theideasmith's user avatar
theideasmith's user avatar
theideasmith
  • Member for 8 years, 6 months
  • Last seen more than a month ago
5 votes
1 answer
703 views

The Continuous Differential Operator

4 votes
2 answers
358 views

Proof that for any $x$ there is a $y$ such that $xy$ is a palindrome

4 votes
2 answers
274 views

Intuition for why equations of the form $k^x=x^c$ are not solvable trivially?

3 votes
2 answers
1k views

Significant figures: Trailing Zeros in Scientific Notation.

3 votes
3 answers
3k views

Deriving the formula for the $n^{th}$ tetrahedral number

3 votes
2 answers
151 views

Why Does this Example of Matrix Multiplication Work?

3 votes
2 answers
102 views

On the graph of $f(x)=i^x$ being sinusoidal: reasons, related ideas, and relevant literature

3 votes
2 answers
101 views

How to interpret this psychological construct mathematically?

3 votes
0 answers
206 views

How to prove that there must be a bijection between two different implementations of the same function

2 votes
2 answers
138 views

Beginner Analysis Question: Are The Field Axioms Any More Than Symbolic Relations

2 votes
0 answers
62 views

Expected Angle of a Random 2D Vector

2 votes
4 answers
234 views

Explicit Definitions of Functions that aren't on the real numbers or built with objects that are on the real numbers

2 votes
1 answer
456 views

What is the proof for $\sqrt{-a}\times\sqrt{-b}\neq\sqrt{ab},\text{ where }a,b\in \mathbb{R}$

2 votes
0 answers
132 views

Perturbations to a matrix causing drastic changes to matrix inverse.

2 votes
2 answers
79 views

Proof that every function of a symbolic form $A$ has an antiderivative with a unique symbolic form $A'$

2 votes
2 answers
154 views

Rigorous Understanding of Behavior around Equilibrium Points of this Dynamical System

2 votes
2 answers
100 views

Show the identity: $\prod^{2n+1}\limits_{i=1}(x+n+1-i) = x\prod^{n}\limits_{i=1}(x^2-i^2)$

2 votes
1 answer
418 views

Layperson's explanation of Euler's formula

2 votes
4 answers
221 views

Why do we say in limits that $x$ must approach a but not be equal to a

1 vote
2 answers
540 views

Solving for a variable inside a limit?

1 vote
1 answer
5k views

What is the difference between linear and integer programming?

1 vote
2 answers
184 views

Dichotomy in the number of regions on a plane formed by an infinite number of lines

1 vote
4 answers
92 views

Explain how second order differential equations of the form $\ddot{y}+y=0$ exhibit osciallatory dynamics

1 vote
1 answer
20 views

Formal distinction between $x=a$, where a is a number, vs $x=\{a_1, a_2, ..., a_n\}$ where x is a solution to an algebraic equation

1 vote
1 answer
140 views

Analyze Properties of Logical System

1 vote
1 answer
3k views

Proof of second derivative test without taylor's theorem

1 vote
2 answers
120 views

Understanding why if $\alpha = \sup E$ exists then $\alpha$ may or may not be an element of $E$

1 vote
0 answers
127 views

Conservation of Energy in Dynamical System Potential

1 vote
1 answer
180 views

Encoding Predicate Calculus in Propositional Logic

1 vote
1 answer
86 views

Any subset of the rationals is mappable to all the rationals