June 2025
Intermediate to advanced
515 pages
17h 5m
English
Content preview from Python For Engineering and Scientific Computing
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3.3 Matrix Multiplication
Matrix multiplication is needed, for example, in the calculation of electrical networks. If several two-port networks are connected in series (catenary circuit), then the catenary shape (A parameter) can be used to calculate the required input voltage and current for a given output voltage and current by matrix multiplication.
Two matrices are multiplied with each other by multiplying the rows of the first matrix by the columns of the second matrix, element by element, and adding the individual products (according to Falk’s scheme):
A simple example will demonstrate the matrix multiplication using a schema (see
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