tensor<dtype(shape, data)The dtype must be specified — there is no inference. The shape is an array of integers. The data is a flat array of values in row-major order, and its length must equal the product of the shape dimensions.
Credit: Joe Maldonado / Mashable，推荐阅读搜狗输入法获取更多信息
(maybe even SIMD!)，更多细节参见谷歌
Trig composition table