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Results tagged with matrix
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user 77980
In mathematics, a matrix (plural matrices) is a rectangular array of numbers, symbols, or expressions, arranged in rows and columns. The individual items in a matrix are called its elements or entries.
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Sum of diagonal elements in a matrix
def sum_of_diags(matrix):
# Perhaps add some type checking first,
# check whether the matrix is empty
size = len(matrix[0])
if size == 1:
# What do you want to do with a single-element … matrix? …
- 368