How do I apply a tolerance to my code

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Nicholas Gresham
Nicholas Gresham 2020-4-22
评论： Josh Taylor 2020-4-27
Outline
The singularityTest function will test whether a matrix is singular (i.e., not invertible). If it is singular, the output should be 1. Otherwise, the output should be 0. The input, A, can be any n × n matrix.
Your code needs to take into consideration very small errors that could occur due to floating point arithmetic (apply a tolerance of 10-10).
This is my code
function result = singularityTest(A)
if det(A)== 0
result = 1;
else
result = 0;
end
end
Question
How do I apply the tolerance (10-10) to my code

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darova
darova 2020-4-22
Use this trick

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