Tag Archives: complex numbers

Complex Numbers and Solving Quartic Polynomial Equations

It was recently pointed out to me that the User Defined Function (UDF) for solving quartic polynomial equations presented in this post returned an error for some input values.  In tracking down the source of the error I decided that it … Continue reading

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AlgLib Complex Number Functions

The AlgLib module ap.bas includes complex number functions which can be called from other VBA routines, but they cannot be used as User Defined Functions (UDFs)  because they use the user defined data type “Complex”: To  call these functions from the … Continue reading

Posted in AlgLib, Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , | 2 Comments