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Tensor 3.0.5 ( multiply strange behavior) #46
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Interesting @EDPSH thank you for the fantastic writeup! It sounds like there's a problem with the Digging deeper ... |
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My concerns starts with tensor 3.0.5, I talked about it again and my example is T-SNE.
PHP 8.2.17 (x64)... tensor 3.0.5...
When the tensor 3.0.5 is enabled, then the results for the tsne.php and specific at line 332 of page code
$p = Matrix::quick($this->affinities($distances))
->multiply($this->exaggeration);
produce all zeros for $p
The example is with dataset iris-flower
Tensor Enabled - results
Tensor\Matrix Object
(
[a:protected] => Array
(
[0] => Array
(
[0] => 0
[1] => 0
[2] => 0
[3] => 0
[4] => 0
[5] => 0
[6] => 0
[7] => 0
[8] => 0
......
But if i disabled Tensor 3.0.5
then the results are as this ...
Tensor Disabled - results
Tensor\Matrix Object
(
[a:protected] => Array
(
[0] => Array
(
[0] => 0
[1] => 0.21491825237444
[2] => 0.22478852033193
[3] => 0.18097129837837
[4] => 0.40076888328063
[5] => 0.19018111784135
[6] => 0.22138822172434
[7] => 0.38127063420594
[8] => 0.11774974442454
........
the: $this->affinities($distances) has values
the: $this->exaggeration has values
but when put them together with tensor enabled, the results are all zero.
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