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Greg Oliver
Greg Oliver

172 Followers

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Cubic Roots- Cardano and the Extended Quadratic Equation

Finding Cubic Polynomial roots using an abridged application of Cardano’s formula with the ‘Extended Quadratic Equation’ — This post offers a 2 formula tool-kit to finding exact Cubic Polynomial roots using Cardano’s formula for 1 root and the Extended Quadratic Equation for the other 2. It’s Find 1 get 2 free! While 3 exact solutions are provided with Cardano’s formula alone, it is often overlooked in classrooms…

Math

5 min read

Cubic Roots- Cardano’s Formula with the Extended Quadratic Equation
Cubic Roots- Cardano’s Formula with the Extended Quadratic Equation
Math

5 min read


Published in Towards AI

·Pinned

Quintic Polynomial Roots-With ‘OSOS’ Quads and a Tricky Cubic

A tool-kit for finding Quintic Polynomial roots starting with ‘OSOS’ Quadratics — This post presents viable Quintic roots solutions, using a confected Y-Axis 180 deg rotation mirror image ‘OSOS’ twin function, with 2 opposing Quadratics to replicate 2 roots then a Cubic concoction for 1 and the last 2 gifted. For any 5-root Quintic polynomial, it is only required to find 3…

AI

5 min read

Quintic Polynomial Roots-With ‘OSOS’ Quads and a Tricky Cubic
Quintic Polynomial Roots-With ‘OSOS’ Quads and a Tricky Cubic
AI

5 min read


Published in Cantor’s Paradise

·Pinned

Deriving the Quadratic Equation From the Roots Up

Solving Quadratics using gradients at the roots — An important characteristic of the Quadratic Polynomial y=ax²+bx+c is that it retains its parabolic ax² shape and size wherever it is located in the x-y grid. The other terms, bx +c are just the, “Sit where we say”, ushers! This architectural symmetry and stability means that the gradients at the…

Quadratic Formula

3 min read

Deriving the Quadratic Equation From the Roots Up
Deriving the Quadratic Equation From the Roots Up
Quadratic Formula

3 min read


Published in Cantor’s Paradise

·Pinned

Cubic Polynomials - Building your own from Perfect Cubes

Exploiting Polynomial ‘Perfect Cube’ architecture to build your own function — without the usual approach of specifying all 3 roots — This post explores the ‘components of perfect and imperfect cubics’ and shows how you can use them to build a cubic that meets particular characteristics. While math books generally provide instruction on building polynomials up from their roots, another way to build them is by modifying a ‘perfect’ polynomial and…

Math

8 min read

Cubic Polynomials — Build Your Own From Perfect Cubes
Cubic Polynomials — Build Your Own From Perfect Cubes
Math

8 min read


Published in The Startup

·Pinned

Cubic Polynomials – A Simpler Approach

An intuitive way to find the 2nd and 3rd roots — While we are all familiar with finding the roots of a quadratic using the Quadratic Equation, it can be complex to find the roots of a higher order polynomial. We typically need to find one factor by brute force, then divide through to create a quadratic. I’ve been working on…

Math

4 min read

Math

4 min read


Published in Cantor’s Paradise

·4 days ago

Quartic Roots-Using BIG M and Generic Quadratics

Approximate Quartic Roots Using Quadratics - With Big M — This post generates Quadratics to approximate Quartic roots using a generic BIG M function y=-3x⁴+Bx²+E, which I have previously introduced to trace Quartics’ Turning Points Tps. In addition to tracing Tps, The roots of BIG M provide close approximations to the Turning Points, Tps=(b/2a) of selected Quadratic Factors of Quartics’…

Math

4 min read

Quartic Roots-Using BIG M and Generic Quadratics
Quartic Roots-Using BIG M and Generic Quadratics
Math

4 min read


Published in Cantor’s Paradise

·Mar 10

Quartic Roots-It’s All Done With Quadratics

A Visually Instructive Solution Without Too Much Math — This post presents a novel method of calculating approximate roots of Quartics y=x⁴+Cx²+Dx+E by exploiting underlying Quadratic genetics. It adds to the availability of graphical root solutions by exploiting the close relationships between Quartics’ Quadratic factors Inflection Points Ip(x) values and those of genetic Big W functions which are very…

Math

4 min read

Quartic Roots-It’s All Done With Quadratics
Quartic Roots-It’s All Done With Quadratics
Math

4 min read


Published in Cantor’s Paradise

·Feb 3

Cubic Polynomial Roots — Simpler With Quadratics!

Approximate Cubic Roots Using Generic Quadratic Relationships — This post presents a novel method of calculating approximate roots of Cubic polynomials y=x³+Cx+D by exploiting underlying Quadratic relationships. It presents a very simple one-liner for a root while more importantly for students it graphically relates root dependency on function shape and the constant D.

Math

4 min read

Cubic Polynomial Roots — Simpler With Quadratics!
Cubic Polynomial Roots — Simpler With Quadratics!
Math

4 min read


Published in Cantor’s Paradise

·Dec 22, 2022

But Wait There’s More! — Cubic Roots Via Quartics

Another Shot at Cubic Roots By Upgrading to Quartic — This Time Using Quadratics — In a previous post, Finding Cubic Roots Using Quartic Hybrids, I showed how to find Cubic roots by increasing the order to Quartic and then utilizing the amazing architectural symmetries of Quartics in what I call hybrid Big W genetics. …

Math

4 min read

But Wait There’s More! — Cubic Roots From Quartics
But Wait There’s More! — Cubic Roots From Quartics
Math

4 min read


Published in Towards AI

·Nov 27, 2022

Quartics-Built To Order At Any Address In The X-Y Grid

Build your own Quartic Polynomials to order at any address in the Grid! — Students can be tasked with finding the roots of polynomials without requiring a detailed understanding of the underlying functional architecture or the position of key metrics in the X-Y Grid. …

Mathematics

6 min read

Quartics-Built To Order At Any Address In The X-Y Grid
Quartics-Built To Order At Any Address In The X-Y Grid
Mathematics

6 min read

Greg Oliver

Greg Oliver

172 Followers

Retired engineer passionate about maths and keeping it simple.

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