Questions & Answers for: singular matrix error ti 84

...I think a singular matrix might be the culprit in a case like this, but I doubt that's the problem here. If you think it might be, try deleting every other data point and try the regression

...SINGULAR MAT when finding inverse of matrices I have a TI-84+ SE calculator, and I am trying to get the inverse of matrices of various sizes. I am entering size and numbers, but I can't get the ...

...singular matrix has no inverse. It's the equivalent of zero: trying to take the inverse of zero is an error. Check the matrix to make sure you have entered it correctly. If the error persists, could ...

...always says "err: SINGULAR MAT" but I have my numbers in Matrix A, so what is the problem?? What's the determinant of the numbers in matrix A? A singular matrix is a matrix whose determinant is