rustHow to multiply matrices in Rust?
Multiplying matrices in Rust is done using the mul
method from the ndarray
crate. This method takes two matrices as arguments and returns the result of the multiplication.
Example code
use ndarray::{arr2, Array2};
let a = arr2(&[[1, 2],
[3, 4]]);
let b = arr2(&[[5, 6],
[7, 8]]);
let c = a.mul(&b);
Output example
[[19, 22],
[43, 50]]
Code explanation
use ndarray::{arr2, Array2};
: imports thearr2
andArray2
methods from thendarray
crate.let a = arr2(&[[1, 2], [3, 4]]);
: creates a 2x2 matrix with the values1, 2, 3, 4
.let b = arr2(&[[5, 6], [7, 8]]);
: creates a 2x2 matrix with the values5, 6, 7, 8
.let c = a.mul(&b);
: multiplies the two matricesa
andb
and stores the result inc
.
Helpful links
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