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Category Archives: UDFs
Reinforced Concrete Section Analysis – 3
Previous post -1 Previous post -2 The theory presented in the previous 2 posts in this series has been incorporated into an Excel UDF, allowing concrete and reinforcement stresses and strains to be evaluated quickly and easily for reinforced and … Continue reading
Posted in Beam Bending, Excel, Newton, UDFs
Tagged Cubic, Plot Shapes, Polynomial, Quadratic, Quartic, Reinforced Concrete, Section Analysis, UDF, VBA
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Worksheetfunction vs UDF – 2
Previous Post In a recent post at microsoft.public.excel.programming Charles Williams (Decision Models) found that a VBA User Defined Funcion (UDF) searching through a defined range for a specified number was very much slower than simply using .worksheetfunction.match as below: Function VBAMatch2(arg … Continue reading
Importing text files with VBA
Importing data from other programs into an Excel spreadsheet, in the form of text files, is a frequent requirement in engineering and scientific applications. Often the data will have been formatted to suit printed output and will require processing before … Continue reading
Excel 2007 performance – feedback please
According to this post at MSDN: http://msdn.microsoft.com/en-us/library/aa730921.aspx#office2007excelperf_ExcelPerformanceImprovements Excel 2007 should be giving significant performance improvements on multi-core processors. Some simple benchmarks on an Acer laptop with 2.0 GHz dual-core processor and 2 GB RAM show some improvement (over Excel 2000), … Continue reading
Evaluate Function
It would often be convenient to evaluate a function entered as text; for instance if we have the function for the deflection of a cantilever under point loading at the end: F*L^3/(3*E*I) then it would be convenient to be able … Continue reading
Newton Excel Bach, not (just) an Excel Blog 