versuna的专栏

Linking LAPACK and BLAS libraries with Fortran and C/C++ code http://www.math.utah.edu/software/lapack.html     Intel® Math Kernel Library Reference Manual http://software.intel.com/sites/product

用到svd分解，老师用的是 svdcmp(float **a, int m, int n, float w[], float **v) 函数。这函数的解释是Given a matrix a[1..m][1..n], this routine computes its singular value decomposition, A = U.W.VT.  The matrix U replaces