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how do i input this in built in funtions

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adriana resendez
adriana resendez 2015-2-9
关闭： MATLAB Answer Bot 2021-8-20
multiply and count elements

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回答（2 个）

Star Strider
Star Strider 2015-2-9
I’m not certain what you want, so I’ll venture this:
x=[3,7,2,9,4];
product_x = prod(x)
elements_x = length(x)
elements_x = numel(x)
produces:
product_x =
1512
elements_x =
5
elements_x =
5
Image Analyst
Image Analyst 2015-2-9
If m is your matrix:
theProduct = prod(m(:)); % Multiply all elements together.
theCount = numel(m); % Count the number of elements in the array.

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