coefficients

To get trend-line's equation (polynomial, order 2)

To get trend-line's equation (polynomial, order 2) Question: A simple dataframe that I want to plot it with its trend-line (polynomial, order 2). However I got the equation obviously wrong: y = 1.4x**2 + 6.6x + 0.9 It shall be: y = 0.22×2 – 1.45x + 11.867 # the "2" after x is square How …

Total answers: 1

Extracting coefficients in sympy is only working for certain symbols

Extracting coefficients in sympy is only working for certain symbols Question: If I define the following equation import sympy as sp x00, x01, x02 = sp.symbols(‘x_{00} x_{01} x_{02}’) x10, x11, x12 = sp.symbols(‘x_{10} x_{11} x_{12}’) x20, x21, x22 = sp.symbols(‘x_{20} x_{21} x_{22}’) px0, px1, px2 = sp.symbols(‘p_{x0} p_{x1} p_{x2}’) py0, py1, py2 = sp.symbols(‘p_{y0} p_{y1} …

Total answers: 2

Python – Find coefficients minimizing error in csv data

Python – Find coefficients minimizing error in csv data Question: I’ve recently run into a problem. I have data looking like this : Value 1 Value 2 Target 1345 4590 2.45 1278 3567 2.48 1378 4890 2.46 1589 4987 2.50 … … … The data goes on for a few thousand lines. I need to …

Total answers: 2