How is the filter function algorithm implemented in MATLAB?

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亚威 高
亚威 高 2022-6-8
评论： 亚威 高 2022-6-8
y = filter(b,a,x,zi,dim)
How does zi,b, and a fill in and compute in this function?

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Jan
Jan 2022-6-8
编辑：Jan 2022-6-8
The code is shiown in the last paragraph. So you have posted a valid answer to your question already.
You find a corresponding implementation as M-code here: https://www.mathworks.com/matlabcentral/answers/9900-use-filter-constants-to-hard-code-filter#comment_2203200
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亚威 高
亚威 高 2022-6-8
Hi, suppose I have a vector zi that already exists, and I need to know how the vector zi is used in the calculation, and there seems to be no clear explanation, thanks

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