Java tutorial
//package com.java2s; import android.opengl.Matrix; public class Main { public static float[] inverseMatrix(float[] m1) { float[] m2 = new float[16]; float[] m1i = new float[16]; Matrix.transposeM(m1i, 0, m1, 0); Matrix.invertM(m2, 0, m1i, 0); float[] m2i = new float[16]; Matrix.transposeM(m2i, 0, m2, 0); return m2i; } }