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- Using LINEST for non-linear curve fitting
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Tag Archives: Numpy
Scipy Functions with Excel and pyxll 3 – Solvers 1
Following the the first post in this series I will move on to the py_Solvers spreadsheet included in the download file: py_SciPy.zip Details of the required pyxll package (including download, free trial, and full documentation) can be found at: pyxll For those … Continue reading
Posted in Excel, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged Excel, Find Neutral Axis, Find roots, Numpy, Python, PyXLL, SciPy, solvers, UDFs
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Scipy Functions with Excel and pyxll 2 – Interpolation
Following the previous post I will now look in more detail at the functions in the py_Interpolate spreadsheet included in the download file: py_SciPy.zip Details of the required pyxll package (including download, free trial, and full documentation) can be found … Continue reading
Posted in Curve fitting, Excel, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged Cubic splines, Excel, Interpolation, Numpy, Python, PyXLL, py_Interpolation, SciPy, UDFs
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Scipy functions with Excel and pyxll
Over the years, I have posted a large number of user defined functions (UDF’s) allowing Python Scipy functions (and related libraries) to be accessed from Excel. These have now been consolidated in a uniform format, using the pyxll add-in and … Continue reading
Posted in Arrays, Excel, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, PyXLL, UDFs
Tagged Excel, Numpy, Python, PyXLL, SciPy, UDFs
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Python code updates – 3DFrame-py
Recent changes to how Python treats comparing a Numpy array to an empty list have resulted in some of my functions returning errors and I am in the process of updating them. Specifically, when an optional argument to a function … Continue reading
Posted in Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged 3DFrame-py, Excel, Frame Analysis, Numba, Numpy, PyPardiso, Python, PyXLL, SciPy.
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py_Numpy update and using Numba
The py_Numpy spreadsheet presented at Calling Numpy polynomial functions from Excel has had a minor upgrade to the py_Polyfit function, which was previously returning an error message if the optional “full” argument was set to False. The new version can be … Continue reading
Posted in Curve fitting, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged Excel, Numba, Numpy, PyXLL, py_Numpy, py_Polyfit, UDFs
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