ag-gipp/GoUldI

<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>L</mi><mfenced close=")" open="("><msub><mover accent="true"><mi>θ</mi><mo>̂</mo></mover><mi>ν</mi></msub><msub><mi>θ</mi><mi>ν</mi></msub></mfenced><mo>=</mo><mo>∥</mo><msub><mover accent="true"><mi>θ</mi><mo>̂</mo></mover><mi>ν</mi></msub><mo>-</mo><mfenced close="⟩" open="⟨"><mrow><msub><mover accent="true"><mi>θ</mi><mo>̂</mo></mover><mi>ν</mi></msub><msub><mi>θ</mi><mi>ν</mi></msub></mrow></mfenced><msub><mi>θ</mi><mi>ν</mi></msub><msup><mo>∥</mo><mn>2</mn></msup></math>