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What's wrong with my code for this plot?
you change R in the loop to be same each time (R=I/M;) so you get the exactly same graph 4 time. they are each on other. b...

10 years 前 | 0

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how can turn cells to string?
I have a list of cells that contain string and i want to try to find if it contain a specify string. i have 4 possibility and on...

10 years 前 | 1 个回答 | 0

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