Categories
RSS Feed
Search NewtonExcelBach
Archives
Top Posts
- Intersections, interpolations, and rotations
- Using LINEST for non-linear curve fitting
- Biaxial bending update
- Cubic Splines
- Retrieving unique values from a range or array ...
- A catenary function
- The history of the theory of beam bending - Part 3
- Writing Arrays to the worksheet - VBA function
- Converting from global to local coordinates (and vice versa)
- Linestgap with data in rows
Recent Comments
Tag Archives: rotation functions
Python functions for rotation
I have recently needed code to rotate 2D coordinates, either about the origin, or some specified other point, using pyxll to call the code from Excel. My first attempt was a direct translation of some VBA code, that also worked … Continue reading
Posted in Coordinate Geometry, Excel, Link to Python, Maths, Newton, PyXLL
Tagged Excel, Matrix methods, Numpy, Python, PyXLL, rotation functions, UDFs
Leave a comment