Why do I keep getting an undefined function for 'deter'?

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Emily Gallagher
Emily Gallagher 2019-9-24
评论： James Tursa 2019-9-24
Trying to find the determinant of an upper triangular matrix without using the built-in det function. Why do I keep getting an undefined function error for 'deter'?
function d = deter (U)
n = 4;
A = rand(n,n);
d = prod(diag(U));
end

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KALYAN ACHARJYA
KALYAN ACHARJYA 2019-9-24
编辑：KALYAN ACHARJYA 2019-9-24
function d=deter (U)
n=4;
A=rand(n,n);
d=prod(diag(U));
end
Save the function in new matlab file (save as deter.m), Next call the function from command window or another main script. Please note that you have pass the input arguments (U) to the function form command window or another main Matlab script as shown below.
76.png
Hope it helps!

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