solve_triangular

Function solve_triangular 

Source
pub fn solve_triangular<T: KernelLinalgScalar, C>(
    ctx: &mut C,
    a: &Tensor<T>,
    b: &Tensor<T>,
    upper: bool,
) -> Result<Tensor<T>>
where C: TensorLinalgContextFor<T>, C::Backend: 'static,
Expand description

Solve a triangular linear system A x = b.

ยงExamples

use tenferro_device::LogicalMemorySpace;
use tenferro_linalg::solve_triangular;
use tenferro_prims::CpuContext;
use tenferro_tensor::{MemoryOrder, Tensor};

let mut ctx = CpuContext::new(1);
let a = Tensor::<f64>::from_slice(
    &[1.0, 0.0, 0.0, 2.0],
    &[2, 2],
    MemoryOrder::ColumnMajor,
).unwrap();
let b = Tensor::<f64>::from_slice(&[1.0, 4.0], &[2], MemoryOrder::ColumnMajor).unwrap();
let x = solve_triangular(&mut ctx, &a, &b, true).unwrap();
assert_eq!(x.logical_memory_space(), LogicalMemorySpace::MainMemory);