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Specifications and Common Mistakes

- Specifications and Common Mistakes:

- Misspellings or punctuation mistakes,incorrect formulas, abnormal display.

- Incorrect links, empty cells, or wrong formats.

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- Minor inconsistencies between the UI and descriptions.

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Risk Warnings

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sponge.function.calc_torsion_by_vectors

sponge.function.calc_torsion_by_vectors(vector1: Tensor, vector2: Tensor, axis_vector: Tensor = None, keepdims: bool = False)

Compute torsion angle formed by two direction vectors $\overrightarrow{v_1}$ and $\overrightarrow{v_2}$ and an axis vector $\overrightarrow{v_{axis}}$.

Parameters

• vector1 (Tensor) – Tensor of shape $(...,D)$. Data type is float. D is spatial dimension of the simulation system. Usually is 3. Direction vector $\overrightarrow{v_1}$

• vector2 (Tensor) – Tensor of shape $(...,D)$. Data type is float. Direction vector $\overrightarrow{v_2}$

• axis_vector (Tensor) – Tensor of shape $(...,D)$. Data type is float. Axis vector $\overrightarrow{v_{axis}}$. Default: None.

• keepdims (bool) – If this is set to True, the last axis will be left in the result as dimensions with size one. Default: False.

Returns

torsion (Tensor), a tensor of shape $(...)$ or $(...,1)$. Data type is float.

Supported Platforms:

Ascend GPU