##### numpy 双曲函数 ```python np.sinh(x, /[, out, where, casting, order, ...]) # 计算给定角的双曲正弦值 [ufunc] np.cosh(x, /[, out, where, casting, order, ...]) # 计算给定角的双曲余弦值 [ufunc] np.tanh(x, /[, out, where, casting, order, ...]) # 计算给定角的双曲正切值 [ufunc] np.arcsinh(x, /[, out, where, casting, order, ...]) # 计算给定双曲正弦值的反双曲正弦值 [ufunc] np.arccosh(x, /[, out, where, casting, order, ...]) # 计算给定双曲余弦值的反双曲余弦值 [ufunc] np.arctanh(x, /[, out, where, casting, order, ...]) # 计算给定双曲正切值的反双曲正切值 [ufunc] ```