How do I change the number of variables in a custom equation in the curve fitting tool?

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Thomas Veith 2018-12-19

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https://ww2.mathworks.cn/matlabcentral/answers/436555-how-do-i-change-the-number-of-variables-in-a-custom-equation-in-the-curve-fitting-tool

评论： zhou echo 2021-1-13

采纳的回答： Stephan

So for example, on this page, we see a custom equation that only has variables x and y. But when I open the cftool, it defaults to wanting x, y, and z; and I cannot figure out how to change this. I'm sure it's something simple, but I can't find it myself and don't see it answered anywhere else.

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Stephan 2018-12-19

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编辑：Stephan 2018-12-19

Hi,

if you work with only x and y just leave z out.

Best regards

Stephan

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Thomas Veith 2018-12-19

LOL it goes right away, I was just SURE you'd have to change it before entering your data. Thanks!

zhou echo 2021-1-13

how to change it? buddy?

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