Type Definition ndarray::IxDyn
[−]
[src]
type IxDyn = Dim<Vec<Ix>>;
dynamic-dimensional
Vec<Ix>
and &[usize]
implement IntoDimension
to produce IxDyn
;
use them to create arrays with a dynamic number of axes.
use ndarray::ArrayD; // Create a 5 × 6 × 3 × 4 array using the dynamic dimension type let mut a = ArrayD::<f64>::zeros(vec![5, 6, 3, 4]); // Create a 1 × 3 × 4 array using the dynamic dimension type let mut b = ArrayD::<f64>::zeros(vec![1, 3, 4]); // We can use broadcasting to add arrays of compatible shapes together: a += &b; // We can index into a, b using fixed size arrays: a[[0, 0, 0, 0]] = 0.; b[[0, 2, 3]] = a[[0, 0, 2, 3]]; // Note: It will panic at runtime if the number of indices given does // not match the array. // We can keep them in the same vector because both the arrays have // the same type `Array<f64, IxDyn>` a.k.a `ArrayD<f64>`: let arrays = vec![a, b];