Calculate perimeter of a shape using x,y coordinates input to an array
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How can I find the perimeter of a shape using x,y coordinates input to an array. The code below adds up the number of sides of the shape instead of the length of the sides which is what I need. The equation for calculating the distance between each pair of x,y points is: sqrt((dataX(i)+1)-dataX(i))^2+((dataY(i)+1)-dataY(i))^2
Many thanks
numberOfCoordinates=input('Please input the number of coordinates:');
for i=1:1:numberOfCoordinates
dataX(i)=input('Please enter the X co-ordinate:')
dataY(i)=input('Please enter the Y co-ordinate:')
end
end
perimeter=0;
for i=1:1:numberOfCoordinates
x=((dataX(i)+1)-dataX(i))^2
y=((dataY(i)+1)-dataY(i))^2
answer=sqrt(sum(x,y))
perimeter=perimeter+answer
end
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