Invalid Syntax at '='.Possibly,a ),} or ] is missing at line 6 .

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swathi sunkaraboina
编辑： James Tursa 2019-2-6
function [y1,y2,y3] = fnc(u)
%#codegen
y1=0;y2=0;y3=0;
if 0<=u<=(pi/3)
{
y1=1; ----------------------Error:Invalid Syntax at '='.Possibly,a ),} or ] is missing at line 6
y2=-1;
y3=0
}-------------------------Error:Parse error at }:Usage might be invalid Matlab syntax.
if((pi/3)<u<=(2*pi/3))
{y1=1;
y2=0;
y3=-1;
}
if((2*pi/3)<u<=(pi))
{y1=0;
y2=1;
y3=-1;
}
end;

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采纳的回答

James Tursa
James Tursa 2019-2-6
编辑：James Tursa 2019-2-6
The { } formulation for blocking code is not valid MATLAB syntax. To fix this:
  • Get rid of the open brace {
  • Replace the close brace } with end
I.e., instead of
if something
{
stuff;
}
Do this
if something
stuff;
end
  1 个评论
Steven Lord
Steven Lord 2019-2-6
In addition to what James wrote, this syntax doesn't do what I believe you think it does.
if 0<=u<=(pi/3)
If you open that file in the MATLAB Editor, you should see a Code Analyzer message on those lines explaining what it does and how to do what you want. I believe there may even be an auto-fix available.

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