core/io.nacular.doodle.utils/SquareMatrix/isIdentity

isIdentity

var isIdentity: Boolean

true if this matrix is equal to the Identity Matrix:

                                    |1 0 ... 0|
                   |1 0|            |0 1 ... 0|
    I1 = |1|, I2 = |0 1|, ..., In = |: : ... :|
                                    |0 0 ... 1|
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