Undefined function or Variable error

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Dan
Dan 2023-4-30
评论： Dan 2023-4-30
Hi,
I create a function to use the Mid-point formula to calculate the integral value, but it keeps showing undefined error. I wonder where is the problem, and how I can fix it? Thanks!

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回答（1 个）

Walter Roberson
Walter Roberson 2023-4-30
x = a:h:b;
However, any current version of MATLAB may have problems with you replacing the function handle f with the result of invoking the function handle. Use different variable names for the function handle and the result of evaluation.

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