Too many Input Arguments Error

clear all; close all; clc;
img = imread("Morfoloji2.PNG");
gray=rgb2gray(img);
bin=imbinarize(gray);
binm=imcomplement(bin);
binf=imfill(binm,'holes');
[centers, radii, metric]=imfindcircles(binf,[6,50],'Sensitivity',0.60);
bint=imerode(binf,strel('disk',1));
imshow(bint);
[labeledImage, numberOfObjcts]=bwlabel(bint);
B=regionprops(labeledImage,'Perimeter','Area');
circu=[B.Perimeter.^2] ./(4*pi*[B.Area]);
% cats=cat(1,B.Centroid);
viscircles(centers, B.Area,'EdgeColor','b');

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My error is:

Error using .^

Too many input arguments.

Error in dsgsdgs (line 12)

circu=[B.Perimeter.^2] ./(4*pi*[B.Area]);

>>

[Daniel Pollard]

What does it return if you call

disp(B.Perimeter)

before the error message?

[Onur Demir]

I got this error:

Error using disp

Too many input arguments.

Error in Morfoloji2 (line 12)

disp(B.Perimeter);

We are working together.

Answer 1

[Jan]

This means, that your B.Perimeter is not a scalar. Do you mean:

% Was: circu=[B.Perimeter.^2] ./(4*pi*[B.Area]);
       circu=[B.Perimeter].^2 ./(4*pi*[B.Area]);

You have done the same at [B.Area] : If you include multiple values in the square brackets, they are concatenated to a vector.

[Onur Demir]

Thank you for answer. Its worked 👍

[Stephen23]

-> This means, that your structure B is not a scalar.

Answer 2

[Walter Roberson]

circu=[B.Perimeter].^2 ./(4*pi*[B.Area]);

[Onur Demir]

Thank you for answer. Its worked 👍