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Soft x-ray diffraction of striated muscle
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The two main results of this note are:. (i) The minimum number of multiplications required to multiply two 2 X 2 matrices is seven. (ii) The minimum number of multiplications/divisions required to multiply two complex numbers is three. © 1971.
S.F. Fan, W.B. Yun, et al.
Proceedings of SPIE 1989
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