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TCNJ/Determinants/13: correct for case of zero determinant.

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Fixed bug 2547.

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Fixed bug 2487, matrix entry needed rounding, and improved typesetting.

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Duplicate problems.

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Fixing bad commit related to duplicate problems.

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Merging duplicate files.

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Updated to mathobjects (which fixes broken answer checker).

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Fixed bug 2435, randomization now avoids degenerate situation.

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Improved internal code.

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Fixed bug 2157, mis-treated zero answers as blank.

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TCNJ/LinSys/problem1: correct special case.

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Answer checker did not work right if there was an eigenvalue of zero, so insured that this does not happen.

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TCNJ/CharPoly prob8: fix.

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TCNJ/Diagonization problem 1: correct answer

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TCNJ/Eigenvalues/problem12: more answer checking correction.

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TCNJ/Eigenvalues/problem12: correct answer checking.

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TCNJ_Eigenvalues/problem11: correct logic for zero entries in vectors.

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Insure determinant is non-zero.

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TCNJ BasesLinIndepSet/problem 4: correct answer.

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TCNJ BasesLinIndepSet/problem4: correct answer.

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TCNJ/PropDet: bugfix.

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TCNJ/MatrixOp problem 8: bugfix

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TCNJ/SolSetsLinSys/problem7: update to deal with special cases.

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TCNJ/MatrixLinearTransformation/21: avoid singular cases.

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TCNJ/null column spaces/problem 3: correction.

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TCNJ/matrixlineartrans: minor wording clarification

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TCNJ/LinearIndependence: rewrite problems.

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TCNJ/solsetslinsys: rewrite problem to check answers.

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TCNJ/solsetslinsys: rewrite problem to check answers.

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Fixed bug 2003, and expanded range for randomization.

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Fixed bug 2002 - duplicate problem (and expanded range of a random value)

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More fixing for bug 1978.

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Fixed bug 1978.

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Fixed bug 1975.

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Fixed bug 1899.

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Results of running convert_fun_in_dir.sh to clean up problems

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Fixed bug 1621, added a do-while loop to check for linear dependence

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see bug 1779

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Adding COMMENT('MathObject version') to files loading MathObjects.pl

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*** empty log message ***

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Fixed bug 1713, changed randomization to avoid infinite loop.

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Fixed bug 1647, fixed function which is not supposed to be 1-1 so that it isn't.

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Improved display and answer checking.

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Better typesetting.

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Retagged.

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Fixed bug 1556, randomization changed to insure the existence/uniqueness of the answer.

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Updated/Consolidated tags.

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Fixed answer evaluators and did other cleaning.

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Cleaned problem code using convert-functions.pl

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Add tags.

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