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facing error to execute

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Urvashi
Urvashi 2022-11-11
评论： Image Analyst 2022-11-11
a=[1 2 3 4];
b = vsum(a);
disp(b);
function y = vsum(x)
y = sum(x,'all');
end
I am facing below error
Error using sum
Invalid option. Option must be 'double', 'native', 'default', 'omitnan' or 'includenan'.
Error in vecadd>vsum (line 5)
y = sum(x,'all');
Error in vecadd (line 2)
b = vsum(a);

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回答（1 个）

Image Analyst
Image Analyst 2022-11-11
I don't believe the 'all' option had been introduced in your r2016b version. Can you upgrade to the latest version. Or else do
y = sum(x(:));
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Urvashi
Urvashi 2022-11-11
a=[1 2 3 4];
b = vsum(a);
disp(b);
function y = vsum(x)
y = sum(x,(:));
end
error
Error: File: vecadd.m Line: 5 Column: 15
Unexpected MATLAB operator.
Image Analyst
Image Analyst 2022-11-11
Why did you put a comma after the x? I did not say to do that.
You did
y = sum(x,(:));
while I said to do
y = sum(x(:));

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