2022-SC2598-000ZZ-2022-SCP8082660-N0: Lez 7 - Part 2 (Null initializing)

Lez 7 - Part 2 (Null initializing)

Did you remember to make the first column something unique in your call to get_records? Duplicate value '1' found in column 'activated'.

line 1291 of /lib/dml/mysqli_native_moodle_database.php: call to debugging()
line 1679 of /lib/dml/moodle_database.php: call to mysqli_native_moodle_database->get_records_sql()
line 1752 of /lib/dml/moodle_database.php: call to moodle_database->get_record_sql()
line 1733 of /lib/dml/moodle_database.php: call to moodle_database->get_field_sql()
line 1712 of /lib/dml/moodle_database.php: call to moodle_database->get_field_select()
line 231 of /plagiarism/compilatio/lib.php: call to moodle_database->get_field()
line 48 of /plagiarism/compilatio/classes/compilatio/documentFrame.php: call to compilatio_enabled()
line 93 of /plagiarism/compilatio/lib.php: call to CompilatioDocumentFrame::get_document_frame()
line 48 of /lib/plagiarismlib.php: call to plagiarism_plugin_compilatio->get_links()
line 561 of /mod/forum/classes/local/exporters/post.php: call to plagiarism_get_links()
line 423 of /mod/forum/classes/local/exporters/post.php: call to mod_forum\local\exporters\post->get_message()
line 125 of /lib/classes/external/exporter.php: call to mod_forum\local\exporters\post->get_other_values()
line 155 of /mod/forum/classes/local/exporters/posts.php: call to core\external\exporter->export()
line ? of unknownfile: call to mod_forum\local\exporters\posts->mod_forum\local\exporters\{closure}()
line 157 of /mod/forum/classes/local/exporters/posts.php: call to array_map()
line 125 of /lib/classes/external/exporter.php: call to mod_forum\local\exporters\posts->get_other_values()
line 189 of /mod/forum/classes/local/builders/exported_posts.php: call to core\external\exporter->export()
line 95 of /mod/forum/classes/local/renderers/posts.php: call to mod_forum\local\builders\exported_posts->build()
line 212 of /mod/forum/classes/local/renderers/discussion.php: call to mod_forum\local\renderers\posts->render()
line 343 of /mod/forum/discuss.php: call to mod_forum\local\renderers\discussion->render()

Error: mdb->get_record() found more than one record!

line 1691 of /lib/dml/moodle_database.php: call to debugging()
line 1651 of /lib/dml/moodle_database.php: call to moodle_database->get_record_sql()
line 1630 of /lib/dml/moodle_database.php: call to moodle_database->get_record_select()
line 160 of /plagiarism/compilatio/lib.php: call to moodle_database->get_record()
line 53 of /plagiarism/compilatio/classes/compilatio/documentFrame.php: call to compilatio_cm_use()
line 93 of /plagiarism/compilatio/lib.php: call to CompilatioDocumentFrame::get_document_frame()
line 48 of /lib/plagiarismlib.php: call to plagiarism_plugin_compilatio->get_links()
line 561 of /mod/forum/classes/local/exporters/post.php: call to plagiarism_get_links()
line 423 of /mod/forum/classes/local/exporters/post.php: call to mod_forum\local\exporters\post->get_message()
line 125 of /lib/classes/external/exporter.php: call to mod_forum\local\exporters\post->get_other_values()
line 155 of /mod/forum/classes/local/exporters/posts.php: call to core\external\exporter->export()
line ? of unknownfile: call to mod_forum\local\exporters\posts->mod_forum\local\exporters\{closure}()
line 157 of /mod/forum/classes/local/exporters/posts.php: call to array_map()
line 125 of /lib/classes/external/exporter.php: call to mod_forum\local\exporters\posts->get_other_values()
line 189 of /mod/forum/classes/local/builders/exported_posts.php: call to core\external\exporter->export()
line 95 of /mod/forum/classes/local/renderers/posts.php: call to mod_forum\local\builders\exported_posts->build()
line 212 of /mod/forum/classes/local/renderers/discussion.php: call to mod_forum\local\renderers\posts->render()
line 343 of /mod/forum/discuss.php: call to mod_forum\local\renderers\discussion->render()

all the neurones will have same values in a hidden layer( after single/ all iteration, as derivate will be same). As both the neurones learning same thing, There is no contribution towards gradient but only on scale.

Its like having only one neuron in every layer.

Complete info:
https://datascience.stackexchange.com/questions/26134/initialize-perceptron-weights-with-zero