Einstein notation

Table of Contents

• Introduction

Introduction

Einstein notation can be used for contracting tensors. (see Wikipedia)

#include <tatooine/tensor.h>
#include <tatooine/einstein_notation.h>
//==============================================================================
using namespace tatooine;
//==============================================================================
auto main() -> int {
  using namespace einstein_notation;
  auto A = mat2::randu();
  auto B = tensor222::randu();
  auto C = vec2{};
 
  C(k) = A(i, j) * B(i, j, k);
}