diff --git a/gmatch4py/kernels/weisfeiler_lehman.pyx b/gmatch4py/kernels/weisfeiler_lehman.pyx index 784d50263180885b06fd29f001f6db6f6929a36f..93a78cbbc36b49d0f328198fa7f38a59ea1fa22a 100644 --- a/gmatch4py/kernels/weisfeiler_lehman.pyx +++ b/gmatch4py/kernels/weisfeiler_lehman.pyx @@ -142,4 +142,4 @@ cdef class WeisfeleirLehmanKernel(Base): k += np.dot(phi.transpose(), phi) it = it + 1 - return minmax_scale(k).todense() \ No newline at end of file + return np.ma.getdata(minmax_scale(k)) \ No newline at end of file