Samir R.

asked • 04/30/21

Find the new quadratic form?

Classify the quadratic form below. Then make a change of​ variable, x=Py​, that transforms the quadratic form into one with no​ cross-product terms. Write the new quadratic form.


-X21-3X22-7X23-7X24+2X1X2+2X1X3+2X1X4+8X3X4


What is the quadratic form ?

The new quadratic form is

yTDy= _________


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