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Category Archives: Excel
More Numpy with Excel and xlwings
The spreadsheet presented in the last post on sorting also includes links to many other Numpy functions. The spreadsheet and associated Python file can be downloaded from: xlNumpy.zip The Numpy functions require xlwings and Numpy to be installed, which are included in … Continue reading
Posted in Arrays, Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA, xlwings
Tagged Anaconda, Excel, math functions, Numerical ranges, Numpy, Polynomial functions, Python, Trig functions, UDF, VBA, xlwings
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Office Insiders and Power Pivot
I recently discovered another benefit of the Office Insiders program through the ExcelUnplugged blog, which has a feature on the new linked data types in Excel. More on those another day, but in addition to JavaScript UDFs, the added feature that I found to … Continue reading
Posted in Computing - general, Excel, Javascript
Tagged Excel, Linked Data Types, Office Insiders, Power Pivot
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Sorting with Python and Numpy
Following the previous post, lets look at sorting functions in the Numpy library. The spreadsheet xlwNumpy links to a variety of Numpy functions, including the sorting functions described below. The spreadsheet and associated Python code can be downloaded from: xlNumpy.zip … Continue reading
Sorting with VBA and Python
This subject was last covered in March 2014. I have now updated the Python code to work with xlwings, and the new version (including open source VBA and Python code) can be downloaded from: Sortfunc.zip. The previous version, linking to … Continue reading
JavaScript UDFs in Excel
Bleeping Computer report that Microsoft have announced JavaScript UDFs for Excel. See the link for more details. This feature is not yet available in standard Excel, but a preview version is available to those joining the Office Insiders Program.
IP2_py Update for Python3
The spreadsheet IP2_py provides a large number of geometric functions, including intersection points of lines, circles and planes, interpolation, rotations, and converting between coordinate systems. Many of the functions are available in VBA and Python versions. The Python code has now … Continue reading
Beam geometric non-linear effects
A quick and convenient way to allow for the effect of deformations on the behaviour of beams and columns under axial load is to adjust the beam stiffness matrix, so that the calculated deflections are in equilibrium with the applied … Continue reading
Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Newton, UDFs, VBA
Tagged Euler buckling, Excel, Frame Analysis, Non-linear geometry, Second order effects, UDF, VBA
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