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What is a Positive Definite Matrix?

What is a Positive Definite Matrix?

and why does it matter?
Go to the profile of Aerin Kim
Aerin Kim
Can Math Increase Your IQ?

Can Math Increase Your IQ?

Intelligence is a funny thing. It depends on many different parts of you, including the capacity to process information, solve problems…
Go to the profile of Caroline Archer
Caroline Archer
Chi Square Test — Intuition, Examples, and Step-by-Step Calculation

Chi Square Test — Intuition, Examples, and Step-by-Step Calculation

The best way to see if two variables are related.
Go to the profile of Aerin Kim
Aerin Kim
How to Publish Your Content on IntuitionMath

How to Publish Your Content on IntuitionMath

Make math intuitive, not intimidating.
Go to the profile of Aerin Kim
Aerin Kim
The difference between Batch Gradient Descent and Stochastic Gradient Descent

The difference between Batch Gradient Descent and Stochastic Gradient Descent

[WARNING: TOO EASY!]
Go to the profile of Aerin Kim
Aerin Kim
The Gradients of Linear Regression cost function

The Gradients of Linear Regression cost function

The cost function for linear regression is:
Go to the profile of Aerin Kim
Aerin Kim
Why the Normal (Gaussian) PDF looks the way it does

Why the Normal (Gaussian) PDF looks the way it does

Although this might not be the most rigorous derivation of the Gaussian PDF (Probability Density Function), this note might help you…
Go to the profile of Aerin Kim
Aerin Kim
Astrology: Decoding Cosmic Scripts and the Synchronistic Tapestry of Existence

Astrology: Decoding Cosmic Scripts and the Synchronistic Tapestry of Existence

“The universe’s history is, essentially, an immense and ongoing quantum computation. It can be viewed as a quantum computer.”
Go to the profile of Cosmic Program
Cosmic Program
P=NP would mean we’re a bunch of dumb apes

P=NP would mean we’re a bunch of dumb apes

Why should you care about complexity theory anyway?
Go to the profile of Rohit Pandey
Rohit Pandey
Why all numbers are imaginary

Why all numbers are imaginary

In mathematics, imaginary numbers are all multiples of i with a real number. They are called imaginary because they are the solution to the…
Go to the profile of R. Harvey
R. Harvey
What is the actual chance of winning a lottery jackpot?

What is the actual chance of winning a lottery jackpot?

Go to the profile of Xin Liu
Xin Liu
How to tell a distribution has no mean by just looking at its PDF

How to tell a distribution has no mean by just looking at its PDF

Might want to check this out if you enjoy explosions.
Go to the profile of Rohit Pandey
Rohit Pandey
Data science in battle: Applying graph theory to the Ukraine war

Data science in battle: Applying graph theory to the Ukraine war

The Google maps team can totally swing this battle if they wanted to
Go to the profile of Rohit Pandey
Rohit Pandey
Numpy Sum Axis Intuition

Numpy Sum Axis Intuition

I’ve always thought that axis 0 is row-wise, and axis 1 is column-wise.
Go to the profile of Aerin Kim
Aerin Kim
Why do we subtract the slope * alpha in Gradient Descent?

Why do we subtract the slope * alpha in Gradient Descent?

If we are going in the direction of the steepest descent, why not add instead of subtract?
Go to the profile of Aerin Kim
Aerin Kim
What Is (-1)*(-1) = 1 In Everyday Life

What Is (-1)*(-1) = 1 In Everyday Life

Go to the profile of Xin Liu
Xin Liu
[Text-to-SQL] Learning to query tables with natural language

[Text-to-SQL] Learning to query tables with natural language

How to model a natural language interface for relational databases
Go to the profile of Aerin Kim
Aerin Kim
Why is the inner product of orthogonal vectors zero?

Why is the inner product of orthogonal vectors zero?

It is “by definition”. Two non-zero vectors are said to be orthogonal when (if and only if) their dot product is zero.
Go to the profile of Aerin Kim
Aerin Kim
Why Math Games Are Important

Why Math Games Are Important

∘ Why Math is Important in Everyday Life   ∘ Benefits of Math Games   ∘ How Do Math Games Help Students   ∘ How Will Math Games Help You…
Go to the profile of Caroline Archer
Caroline Archer
NeurrNet: Idealization of Sentient Networks in Neuro-Cognitive Modeling

NeurrNet: Idealization of Sentient Networks in Neuro-Cognitive Modeling

A thought wrapped around the mathematical landscape
Go to the profile of Harshal Janjani
Harshal Janjani
What is column space? (with a Machine Learning example)

What is column space? (with a Machine Learning example)

When people say vector space, column space, subspace, etc., what do they mean by “SPACE”?
Go to the profile of Aerin Kim
Aerin Kim
Demystifying Complex Math Concepts: Breaking Down Advanced Topics for Everyone to Understand

Demystifying Complex Math Concepts: Breaking Down Advanced Topics for Everyone to Understand

Mathematics can often seem intimidating, especially when it comes to advanced topics like calculus or linear algebra. I know that from…
Go to the profile of Caroline Archer
Caroline Archer
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