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 | 1 | initial version |
Probably you have accidentally overwritten the plot function, by using it as the name of a variable in a piece of code that you didn't include here.
So don't use that name for your variable.
| | 2 | No.2 Revision |
Probably you have accidentally overwritten the used plot function, by using it (or solve or show) as the name of a variable in a piece of code that you didn't include here.here, so that the name no longer refers to the built-in function.
So don't use that name for your variable.
