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Why there is error for "str_id = num2str(gr​id_id,'%2.​2i');"? what should I change?

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Amra Rajuli
Amra Rajuli 2018-1-29
关闭： MATLAB Answer Bot 2021-8-20
Why there is error for "str_id = num2str(grid_id,'%2.2i');"? what should I change? the error message is:
Not enough input arguments.
Error in data_proc (line 174) str_id = num2str(grid_id,'%2.2i');
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Guillaume
Guillaume 2018-1-29
If you want help with an error, at a minimum state what the error is. We certainly can't guess. Best is to copy the full error message, everything in red.

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Guillaume
Guillaume 2018-1-30
编辑：Guillaume 2018-1-30
"Why there is error"
Most likely, because you called data_proc with less than 4 arguments. The error will happen if you call data_proc with, for example,
data_proc(0, 10, 2)
instead of
data_proc(0, 10, 2, 6)

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