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Tag Archives: Evaluate polynomial
Polynomial Update
Following a comment here: Solving cubic and quartic equations with Excel the Quartic and CubicC User Defined Functions (UDFs) have been amended to fix a problem occurring with some combinations of coefficients. The updated spreadsheet (including full open source code) can be … Continue reading
Posted in Excel, Maths, Newton, UDFs, VBA
Tagged Cubic, Evaluate polynomial, Excel, Jenkins-Traub, Quartic, Solve polynomial, UDF, VBA
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Daily Download 19: Solving polynomials
Today’s download provides analytic solutions to polynomial equations up to fourth order (that is quadratic, cubic and quartic equations) and an iterative method to solve equations of higher order. All these functions are found in the download file: http://interactiveds.com.au/software/Polynomial.zip The … Continue reading
Posted in Excel, Maths, Newton, UDFs, VBA
Tagged Cubic, Evaluate polynomial, Excel, Jenkins-Traub, Quadratic, Quartic, Solve polynomial, UDF, VBA
1 Comment
Evaluating Polynomial Functions
A polynomial function is a function of the form: a + b*x + c*x^2 + d*x^3 … and the derivative (the slope of the line at point x) of this function is given by: b + 2c*x + 3d*x^2 … … Continue reading
