multidimensional-array
After reducing the dimensionality of a dataset, I am getting negative feature values
I used a Dimensionality Reduction method (discussion here: Random projection algorithm pseudo code) on a large dataset.[详细]
2023-04-06 14:46 分类:问答I don't know how to "sort" arrays
I have this array : array(2) { [1]=> array(4) { [\"name\"]=> string(14) \"Les Contenants\" [\"ordre\"]=>[详细]
2023-04-06 14:41 分类:问答Matrix multiplication for sparse matrices in Python
I want to multiply a sparse matrix A, with a matrix B which has 0, -1, or 1 as elements. To reduce the complexity of the matrix multiplication, I can ignore items if they are 0, or go ahead and add th[详细]
2023-04-06 12:57 分类:问答Random projection algorithm pseudo code
I am trying to apply Random Projections method on a very sparse dataset. I found papers and tutorials about Johnson Lindenstrauss method, but every one of them is full of equations which makes no mean[详细]
2023-04-06 10:55 分类:问答How to multiply a scalar throughout a specific column within a NumPy array?
I need to do some analysis on a large dataset from a hydrolgeology field work. I am using NumPy. I want to know how I can:[详细]
2023-04-06 09:00 分类:问答Multi dimensional array iteration Smarty
I have two arrays. In first array I have Type and Zone field names. These two field names have multiple values. I am using smarty. I want the select name from the first array and options for each drop[详细]
2023-04-06 06:52 分类:问答Get foreach() loop to display array output in given manner
SQL: 开发者_开发问答SELECT uFName, uLName, listTitle, listPropPrice, listCmt, listDt, mFName, mLName, moAmt, moDtOff[详细]
2023-04-06 06:12 分类:问答Transform Array using Php
How do I change this php: <?php $result = $sth->fetchAll(); print_r($result); //or var_dump($result); for more info[详细]
2023-04-06 05:05 分类:问答Print value of an array php
I have an array with value Array ( [und] => Array ( [0] => Array ( [value] => Drupal Development PHP[详细]
2023-04-06 03:51 分类:问答Accessing Data From an Array With a Counter
I have an array structure like so: Array ( [0] => Array ( [term_id] => 22 [name] => Aaa Aa [slug] => aaa-aa[详细]
2023-04-05 23:33 分类:问答