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extract shear from a 2x3 Matrix

Hi,

i have got a 2x3 transformation matrix, and have already calculated translationX/Y scaleX/Y and rotation, but i also need do calculate the shear of the matrix, does any one know how to extract it ? All i found in on the internet just looks at the other 5 values.

extract shear from a 2x3 Matrix

Hi,

i have got a 2x3 transformation matrix, and have already calculated translationX/Y scaleX/Y and rotation, but i also need do calculate the shear of the matrix, does any one know how to extract it ? All i found in on the internet just looks at the other 5 values.