How to do a 3D Nintegrate over a function while specifying the co-ordinates to be used? I have the coordinates in a n*3 matrix and want integral to be performed over those points only.

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    $\begingroup$ Mean[f @@@ pts] * volumeOfPoints? NDSolve`FEM`FEMNIntegrate[...]? -- Without a concrete example that illustrates the problem accurately, it's hard to give a good answer. $\endgroup$
    – Michael E2
    Jul 10 at 19:40

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