iPhone的Accelerate Framework中是否有用于计算点阵列的线性回归的函数？
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关闭。这个问题需要更加集中。它当前不接受答案。
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// Simple scenario for linear regression: Y = theta0 + theta1*X int rows = 4; int cols = 2; double theta[] = {5.0, 2.0}; double x[] = {1.0, 10.0, 1.0, 20.0, 1.0, 30.0, 1.0, 40.0}; double y[rows]; // This is matrix-matrix multiplication function, // but vector is just a matrix with one row/column. vDSP_mmulD(x, 1, theta, 1, y, 1, rows, 1, cols); NSLog(@\"[%f, %f, %f, %f]\", y[0], y[1], y[2], y[3]); [25.000000, 45.000000, 65.000000, 85.000000]