新的复数类型（complex、complex64和complex128）简化了特定的数学操作。
The new complex number types (complex, complex64, and complex128) simplify certain mathematical operations. [spec, spec]
数学家对此很熟悉；如果将代数中的常见问题考虑成复数而不是实数时，那么这些问题就更容易处理，尽管复数算法较难。
Mathematicians are familiar with this; common problems in algebra are more tractable when considered over the complex numbers than over the reals, even though complex arithmetic is more difficult.
这个数学题必须用复数QR分解算法解答。
The mathematic problem must be solved by complex QR decomposition algorithm.
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