matrix chain multiplication python

Frantic Fowl answered on January 30, 2025 Popularity 1/10 Helpfulness 1/10

answer matrix chain multiplication python

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matrix chain multiplication python

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# A naive recursive implementation that
# simply follows the above optimal 
# substructure property 
import sys
 
# Matrix A[i] has dimension p[i-1] x p[i]
# for i = 1..n
def MatrixChainOrder(p, i, j):
 
    if i == j:
        return 0
 
    _min = sys.maxsize
     
    # place parenthesis at different places 
    # between first and last matrix, 
    # recursively calculate count of
    # multiplications for each parenthesis
    # placement and return the minimum count
    for k in range(i, j):
     
        count = (MatrixChainOrder(p, i, k) 
             + MatrixChainOrder(p, k + 1, j)
                   + p[i-1] * p[k] * p[j])
 
        if count < _min:
            _min = count;
     
 
    # Return minimum count
    return _min;
 
 
# Driver program to test above function
arr = [1, 2, 3, 4, 3];
n = len(arr);
 
print("Minimum number of multiplications is ",
                MatrixChainOrder(arr, 1, n-1));
 
# This code is contributed by Aryan Garg

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Source: www.geeksforgeeks.org

Tags: chain matrix python

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Contributed on Feb 02 2025

Frantic Fowl

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dpkg-query -L <package_name>

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Source: askubuntu.com

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Contributed on Jan 30 2025

Tirant Turkey

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matrix chain multiplication python

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