Recent Comments
Mohd Yousef on Biaxial bending update 
DonB on Biaxial bending update Mohd Yousef on Biaxial bending update 
dougaj4 on Biaxial bending update DonB on Biaxial bending update dougaj4 on Biaxial bending update DonB on Biaxial bending update 
Mohd Yousef on Biaxial bending update dougaj4 on Beam Fixed End Actions by Maca… 
Peka Odendaal (@PKOd… on Beam Fixed End Actions by Maca… 
Gerardo Freyre on The history of the theory of b… dougaj4 on Time in hours and minutes betw… 
SDAmy on Time in hours and minutes betw… Concrete Stress Bloc… on Equivalent Stress Blocks Concrete Stress Bloc… on Stress blocks in AS 3600
Tag Archives: angle between two vectors
The angle between two vectors, Python version
I posted a VBA function to return The angle between two vectors, in 2D or 3D last year, and have just discovered that Python and Numpy are lacking this function. Since all the suggested code I found in a quick search used: Cos θ … Continue reading
Posted in Coordinate Geometry, Excel, Link to Python, Maths, Newton, NumPy and SciPy
Tagged angle between two vectors, Numpy, Python, PyXLL
10 Comments
The angle between two vectors, in 2D or 3D
Finding the angle between two lines in 2D is easy, just find the angle of each line with the x-axis from the slope of the line and take the difference. In 3D it is not so obvious, but it can … Continue reading
Posted in Coordinate Geometry, Excel, Maths, Newton, UDFs, VBA
Tagged 3D angle, angle between two vectors, cosine rule, Excel, UDF, VBA, vectors
9 Comments
