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method of celestial unknown
References
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method of celestial unknown

mathematics
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The Information Architects of Encyclopaedia Britannica

Learn about this topic in these articles:

  • Counting boards and markers, or counting rods, were used in China to solve systems of linear equations. This is an example from the 1st century ce.
    East Asian mathematics
    / The method of the celestial unknown

    Li Ye’s book also contains a method, unknown to Qin Jiushao, that seems to have flourished in North China for some decades before Li completed “Sea Mirror of Circle Measurements.” This method explains how to use polynomial arithmetic to find…

    Read More

    Li Ye’s book also contains a method, unknown to Qin Jiushao, that seems to have flourished in North China for some decades before Li completed “Sea Mirror of Circle Measurements.” This method explains how to use polynomial arithmetic to find…

    Read More