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udlbook
2025-11-05 14:25:21 -05:00
parent 1c2e19aa3b
commit 6a8273459f
1 changed files with 5 additions and 6 deletions
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9
Notebooks/Chap09/9_1_L2_Regularization.ipynb
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@@ -4,7 +4,6 @@
"metadata": { "metadata": {
"colab": { "colab": {
"provenance": [], "provenance": [],
"authorship_tag": "ABX9TyPJzymRTuvoWggIskM2Kamc",
"include_colab_link": true "include_colab_link": true
}, },
"kernelspec": { "kernelspec": {
@@ -458,14 +457,14 @@
{ {
"cell_type": "code", "cell_type": "code",
"source": [ "source": [
"def dldphi0(phi, lambda_):\n", "def dregdphi0(phi, lambda_):\n",
" # TODO compute the derivative with respect to phi0\n", " # TODO compute the derivative with respect to phi0\n",
" # Replace this line:]\n", " # Replace this line:]\n",
" deriv = 0\n", " deriv = 0\n",
"\n", "\n",
" return deriv\n", " return deriv\n",
"\n", "\n",
"def dldphi1(phi, lambda_):\n", "def dregdphi1(phi, lambda_):\n",
" # TODO compute the derivative with respect to phi1\n", " # TODO compute the derivative with respect to phi1\n",
" # Replace this line:]\n", " # Replace this line:]\n",
" deriv = 0\n", " deriv = 0\n",
@@ -475,8 +474,8 @@
"\n", "\n",
"\n", "\n",
"def compute_gradient2(data_x, data_y, phi, lambda_):\n", "def compute_gradient2(data_x, data_y, phi, lambda_):\n",
" dl_dphi0 = gabor_deriv_phi0(data_x, data_y, phi[0],phi[1])+dldphi0(np.squeeze(phi), lambda_)\n", " dl_dphi0 = gabor_deriv_phi0(data_x, data_y, phi[0],phi[1])+dregdphi0(np.squeeze(phi), lambda_)\n",
" dl_dphi1 = gabor_deriv_phi1(data_x, data_y, phi[0],phi[1])+dldphi1(np.squeeze(phi), lambda_)\n", " dl_dphi1 = gabor_deriv_phi1(data_x, data_y, phi[0],phi[1])+dregdphi1(np.squeeze(phi), lambda_)\n",
" # Return the gradient\n", " # Return the gradient\n",
" return np.array([[dl_dphi0],[dl_dphi1]])\n", " return np.array([[dl_dphi0],[dl_dphi1]])\n",
"\n", "\n",