nonconformant arguments, Array substitution

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abdul azim
abdul azim 2022-6-27
回答： Walter Roberson 2022-6-28
data = dlmread('C:\Users\Acer\Desktop\project hydro\Offset.txt');
disp(data)
prompt = "\nEnter the value of wl? = ";
x = input(prompt);
wl= data(2:x+2,1)
Breadth= data(2:x+1,2) %input wl
Area=[1;4;2;4;2;4;2;4;1].*Breadth;
disp(Area);
TotalArea=sum(Area)
%How do i get the array i made to multiply with the array for area

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回答（1 个）

Walter Roberson
Walter Roberson 2022-6-28
You cannot. Breadth is a column vector of length x. [1;4;2;4;2;4;2;4;1] is a column vector of length 9. You cannot multiply those together unless x is 1 or 9.
I suspect that you should be looking at trapz()

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