Relintai/pmlpp
1
0
Fork 0
mirror of https://github.com/Relintai/pmlpp.git synced 2024-11-08 13:12:09 +01:00
Code Issues Packages Projects Releases Wiki Activity

Small otpimization to MLPPLinReg::normal_equation().

Browse Source
This commit is contained in:
Relintai 2023-12-27 16:12:09 +01:00
parent dd179e10d6
commit 1ab7e52287
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
mlpp/lin_reg/lin_reg.cpp
View File

@ -673,7 +673,7 @@ void MLPPLinReg::normal_equation() {
Ref<MLPPVector> temp;
//temp.resize(_k);
temp = _input_set->transposen()->multn(_input_set)->inverse()->mult_vec(_input_set->transposen()->mult_vec(_output_set));
temp = input_set_t->multn(_input_set)->inverse()->mult_vec(input_set_t->mult_vec(_output_set));
ERR_FAIL_COND_MSG(Math::is_nan(temp->element_get(0)), "ERR: Resulting matrix was noninvertible/degenerate, and so the normal equation could not be performed. Try utilizing gradient descent.");