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    #1

    pronouncing math matrices

    How is the following math sentence pronounced in standard AmE, BE and Australian English?

    "The product of a 3x2 matrix by a 2x4 matrix is a 3x4 one."

    I mean the size of the matrix, is it pronounced "three by two", "three per two", "three two" or something like that ?

    By the way, I have seen two accepted plural forms for matrix, namely
    matrices and matrixes. Is there a preferred form, or are both used?


    Thanks in advance for your kind help.

  1. buggles's Avatar
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    #2

    Re: pronouncing math matrices

    Quote Originally Posted by ymnisky View Post
    How is the following math sentence pronounced in standard AmE, BE and Australian English?

    "The product of a 3x2 matrix by a 2x4 matrix is a 3x4 one."

    I mean the size of the matrix, is it pronounced "three by two", "three per two", "three two" or something like that ?

    By the way, I have seen two accepted plural forms for matrix, namely
    matrices and matrixes. Is there a preferred form, or are both used?


    Thanks in advance for your kind help.
    In UK English, we'd say, "a 3 by 2 matrix".
    Matrices and matrixes are both used, but matrices is the more common in my experience.

    buggles (not a teacher)


    • Join Date: Apr 2009
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    #3

    Re: pronouncing math matrices

    In UK English, we'd say, "a 3 by 2 matrix".
    Matrices and matrixes are both used, but matrices is the more common in my experience.
    Ditto for American English. I majored in math in college in the Midwest, and they were always "3 by 2 matrices." (That is, 3 rows and 2 columns, of course.)

    Greg
    Last edited by dragn; 30-Jul-2009 at 09:31.

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