Polynomial-Solver vs Least Squares Curve Fit Kullanım & İstatistikleri
The PolynomialSolver is carefully designed to be a simple and elegant app.
Easy to use, easy to understand, simple and effective
It solves (finds all the roots) polynomials of any order (any degree).
Roots can be real, complex or combination of both. No problem. This app has you covered.
To find all the solutions, it uses Aberth Ehrlich algorithm for higher order polynomials.
The polynomial is beautifully presented in mathematical format.
You can also solve multiple polynomials at once.
You can also share the polynomial and its solution.
Perform the polynomial division to find the quotient and remainder.
This app also plots beautiful graph of the polynomial(s) so that you can visualize the solution in the graph.
The graph can be shared with other or it can be saved locally on your device.
It automatically saves your hard work locally on your device so you can come back and pick up from where you left off as your great effort will not be lost.
This is a perfect app if you are a student learning to solve these kind of equations.
There is also a Study page to help you with learning some important polynomial concepts.
This is an app for all student groups. From high school to college to university students.
Be creative. Enjoy the app!
- Apple App Store
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“Least Squares Curve Fit” is a user friendly, free of charge and free of ads app.
User inputs point sets and chooses function types.
Utilizing the Least Squares Linear Regression Method, the app calculates best fit curves, reports equations and draws graphs.
Point sets can be stored in a table and are available after app is closed.
Currently available function types are:
2D:
1. Line.
2. Parabola.
3. Polynomial up to 8th degree.
4. Circle.
5. Conic section (Ellipse or Hyperbola).
6. Trigonometric function as
C + A1*cos(ω*x) + B1*sin(ω*x) + … + An*cos(n*ω*x) + Bn*sin(n*ω*x),
where user can select n between 1 and 8 and enter any ω.
7. Exponential Function.
8. Bell Curve.
3D:
1. Plane.
2. Sphere.
Also, there is an option to choose the Best Fit:
the app goes through all the possible shapes and lists them in order from best to worst fit based on residuals.
In some cases, when the standard Least Squares method with orthogonal projection does not work, best fit for Line, Parabola, Polynomial and Trigonometric functions can be calculated with SVD.
Links to four other free apps by same developers are included in the app:
1. “Matrix Solver Step by Step” Linear Algebra Visual Guide.
2. “Polynomials and Linear Systems” Equation Solver.
3. “GraphMath” Graphing Calculator.
4. “Vectors and Planes” (and Spheres and Ellipsoids) 3D Geometry Guide.
Developers hope to get feedback from users at graphmath@aol.com.
- Apple App Store
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Polynomial-Solver VS. 
Least Squares Curve FitAralık 23, 2024