MATLAB: Anyone can answer? Thanks

homeworkno attempt

how to read file of unknown length with five parameters on each line like time=0.5…|ypp=0.1…y=0.9…|y=0.2…|ext=4.0…

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k = importdata ('data.txt') ;

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MATLAB: Columns of a matrix

To call the entire contents of a column of a matrix, use matrix name and the colon operator (:)

Para encontrar la columna de una matriz, utilice el nombre de la matriz y el operador dos puntos (:)

A = [1 2 3;...
     4 5 6;...
     7 8 9]; 
A(:,1) = [1; 4; 7]
A(:,2) = [2; 5; 8]

and so on.

The colon tells Matlab to take the data from every row giving you the entire colomn.. The second number says which column to take from. You can put things like 'i' from your loop in there too.

MATLAB: I’m getting wrong answer

In each of your 30 disks you are using the radius at its smaller end, so of course your answer will be smaller than the true volume. You will get a more accurate answer if you select the central radius for each disk. You will also get more accuracy if you cut the volume into more than 30 disks. Your "calculator" accuracy is, of course, achieved by using the methods of calculus, which would be the smart way in this problem.

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MATLAB: Columns of a matrix

MATLAB: I’m getting wrong answer

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