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Category Archives: Maths
Cubic Spline Update
The previous post in this series presented a User Defined Function (UDF) to fit a cubic spline to a series of points defined by XY coordinates. Each segment of the resulting spline is defined by a separate cubic curve, which may be … Continue reading
A not so obvious puzzle
A nice puzzle from Tanya Khovanova’s Math Blog Which of the shapes below is the odd one out?
Some New Links
A couple of return links to sites that have been sending traffic my way, and are well worth a look: AJP Excel Information (Andy Pope’s site): “The intention of this site is to be a useful resource of alternative solutions … Continue reading
Chart Trend Lines and the Linest Function
At the Mr Excel discussion forum the output of the worksheet function Linest(), compared with chart trend lines raised a question, where it is said that in Excel 2007 the trend line gives different (and incorrect) coefficients for a polynomial curve … Continue reading
Geometric Tools
I was recently sent a link to: Geometric Tools Documentation Which has a host of pdf files with detailed instructions on all manner of geometric calculations. The focus of the site is animation for games programs, but there is plenty … Continue reading
Posted in Coordinate Geometry, Maths, Newton
Tagged Coordinate Geometry, Geometric Tools
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