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- #1

P = a0 + a1*p + a2*p^2 + a3*p^3

a0 = b00 + b01*s + b02*s^2 + b03*s^3

a1 = b10 + b11*s + b12*s^2 + b13*s^3

a2 = b20 + b21*s + b22*s^2 + b23*s^3

a0 = b30 + b31*s + b32*s^2 + b33*s^3

I have seen some solutions to this mentioning matrix inversion, for example here:

automotive pressure sensor calibration

I would like to see an explanation of how to solve for the bxx constants. Any help is appreciated.

Thanks

Ron