### Categories

### RSS Feed

### Search NewtonExcelBach

### Archives

### Top Posts

- Time in hours and minutes between two dates
- Commenting a block of code in VBA
- Using Goal Seek on Multiple Cells
- Weighted Least Squares Regression, using Excel, VBA, Alglib and Python
- Using LINEST for non-linear curve fitting
- Fitting high order polynomials
- Installing Adobe Reader non-DC version.
- Cubic Splines
- Lateral pile analyis with PY curves ...
- Solving Quadratic, Cubic, Quartic and higher order equations; examples

### Recent Comments

vgmendes on LinEstGap with non-linear… dougaj4 on LinEstGap with non-linear… vgmendes on LinEstGap with non-linear… Stan on ALGLIB linear and polynomial f… dougaj4 on ALGLIB linear and polynomial f… S Rijdt on ALGLIB linear and polynomial f… dougaj4 on Fast Search Reminder Larry on Fast Search Reminder Fast Search Reminder… on Opening and searching pdf file… dougaj4 on Opening and searching pdf file… dougaj4 on Weighted Least Squares Regress… GP on Weighted Least Squares Regress… Kamran khan on Opening and searching pdf file… dougaj4 on 3D Frame Update angelgalvanc on 3D Frame Update

# Tag Archives: IP2

## Arcs and arc-splines

I have added two user defined functions (UDFs) to the IP2 spreadsheet to generate coordinates for a single arc, or a series of arcs connected (if necessary) by straight lines. The new version may be downloaded from: IP2.zip As an example … Continue reading

## The Dome of Santa Maria del Fiore – Dimensions

This post is a continuation from The Dome of Santa Maria del Fiore in Florence Different sources give a wide variety of different dimensions for the dome, but there seems to be reasonable agreement that the “across flats” diameter of the … Continue reading

Posted in Dome Structures, Excel, Finite Element Analysis, Newton, Strand7, UDFs, VBA
Tagged DigitGraph, Dome, Excel, FEA, Florence Cathedral, IP2, S& API Tools, UDF, VBA
2 Comments

## Interpolation Update

This post was prompted by a question at Eng-Tips. The question was looking for ways to plot stress contours under a footing, which requires interpolation to find the depth where the stress is at the contour values, given stresses calculated … Continue reading

## IP2 Update, ByRef and ByVal

A recent comment pointed out that the IPPlaneLine function (intersection of a 3D line with a plane) in the IP2 spreadsheet was giving incorrect results. This has now been fixed, and the corrected spreadsheet can be downloaded from IP2.zip. The problem turned out … Continue reading