why do I still get error with syntax

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Aminata camara
Aminata camara 2021-3-19
评论： Aminata camara 2021-3-19
Can someone please tell me what I am doing wrong!!
%Purpose:Plot using ezpolar function
%set value for variables
p=1000;
e=0.25;
%create function handle
r=@theta p\(1-(e*cos(theta)))
%use ezpolar to plot function
ezpolar(r)
I keep getting this error
Error: File: plot_using_EZZ_polarr.m Line: 6 Column: 11
Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error.
To construct matrices, use brackets instead of parentheses.

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回答（1 个）

KSSV
KSSV 2021-3-19
编辑：KSSV 2021-3-19
p=1000;
e=0.25;
%create function handle
r = @(theta) p\(1-(e*cos(theta))) %<--- bracket is needed here
%use ezpolar to plot function
ezpolar(r)
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KSSV
KSSV 2021-3-19
I have already included the bracket.....did you run the code?
Aminata camara
Aminata camara 2021-3-19
it did not work at first then when I close matlab and reopen it now it works thank you

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