### Categories

### RSS Feed

### Search NewtonExcelBach

### Archives

### Top Posts

- Commenting a block of code in VBA
- Time in hours and minutes between two dates
- Using LINEST for non-linear curve fitting
- Using Goal Seek on Multiple Cells
- Weighted Least Squares Regression, using Excel, VBA, Alglib and Python
- Solving Quadratic, Cubic, Quartic and higher order equations; examples
- Taming Symbols in Excel
- Downloads by category
- Writing Arrays to the worksheet - VBA function
- Cubic Splines

### Recent Comments

Kapasitas Lateral Ti… on LatPile – Analysis of La… mktisis on 3D Frame with zero stiffness… dougaj4 on 3D Frame with zero stiffness… dougaj4 on 3D Frame with zero stiffness… mktisis on 3D Frame with zero stiffness… Elastic Biaxial Bend… on Biaxial bending update Bill Harvey on Floating Point Precision … Floating Point Preci… on When does 35 not equal 35… dougaj4 on mpmath for Excel dougaj4 on mpmath for Excel Kapt Blasto on mpmath for Excel mktisis on 3D Frame with zero stiffness… dougaj4 on 3D Frame with zero stiffness… dougaj4 on 3D Frame with zero stiffness… mktisis on 3D Frame with zero stiffness…

# 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