Thank you very much for your answer! I would have not arrived to this conclusion on my own. I believe I can implement the equation provided. Just as a point of clarification, when you said: "You would need to feed the pseudo-inverse of that leading matrix into fsl_glm to denoise the data", the equation would be:
fsl_glm_matrix = pinv(( Id - X_2 * (0 | Id_2) pinv(X)) * Y)
at least in its non-compact form?
again thank you for the response,
James
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