error while using ezplot

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Celeste Tybor
Celeste Tybor 2016-10-25
回答： Star Strider 2016-10-25
I am trying to plot this equation given by my professor:
M=ezplot((1654/21)*(atan(2*(t-45)/21)+atan(30/7)),[1,90])
and this error is coming up:
Error using ezplot (line 69) Input must be a string expression, function name, function handle, or INLINE object.
What does this mean and how can I get a graph?

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Star Strider
Star Strider 2016-10-25
Add ‘@(t)’ to create an anonymous function from your expression, and it works:
M = ezplot(@(t) (1654/21)*(atan(2*(t-45)/21)+atan(30/7)),[1,90])
See the section on ‘Anonymous Functions’ in Function Basics for details.

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