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Small otpimization to MLPPLinReg::normal_equation().

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Relintai 2023-12-27 16:12:09 +01:00
parent dd179e10d6
commit 1ab7e52287
1 changed files with 1 additions and 1 deletions
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mlpp/lin_reg/lin_reg.cpp
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@ -673,7 +673,7 @@ void MLPPLinReg::normal_equation() {
Ref<MLPPVector> temp; Ref<MLPPVector> temp;
//temp.resize(_k); //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."); 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.");