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Multidimensional-arrays can be described as multi-dimensional tables. Each index used in order to find a given element is called a dimension.

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23
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0answers
420 views

How to marshal multi-dimensional arrays in F#

We have some interop code that involves matrices. I was trying to call the native DLL and for the most part it works very reliably. I am relying on the default marshalling by .net, avoiding unmanaged ...
5
votes
0answers
2k views

Compare blitz++, armadillo, boost::MultiArray

I did a comparison between blitz++, armadillo, boost::MultiArray with the following code (borrowed from an old post) #include <iostream> using namespace std; #include <windows.h> #define ...
3
votes
0answers
108 views

applying numpy.searchsorted over multiple axes

I'm trying to pass a 2d array of sorted values and a 1d array of values to searchsorted and have it return a corresponding 1d array of index values. I have to perform this operation many times, and ...
3
votes
0answers
320 views

Multiprocessing : NULL result without error in PyObject_Call

Here is a sample program where I use multiprocessing. The calculations are done with multiprocessing.Process and the results are collected using multiprocessing.Queue. #THIS PROGRAM RUNS WITH ~40Gb ...
3
votes
0answers
207 views

Value Error :Storing data from binary file into numpy 3d arrays

I am trying to read float numbers from a Binary file using Struct module and then storing them in numpy 3D arrays.When I run it as an independent script, it works fine.But when I call it as a class's ...
2
votes
0answers
41 views

Trying to write a Java program to encrypt and decrypt a ADFGVX cyphir, finding it confusing

I need to be able to encrypt and decrypt a message using a Polybius Square, I know how this works on paper but dont know where to start when turing it into a program. I was planning to use a hashmap ...
2
votes
0answers
29 views

create a multidimensional random matrix in spark

With the python API of Spark I am able to quickly create an RDD vector with random normal number and perform a calculation with the following code: from pyspark.mllib.random import RandomRDDs ...
2
votes
0answers
51 views

Java storing objects in a multidimensional array

I'm attempting to store objects in a multidimensional array in an attempt to save each position in a game boards 'state', however after the loop which is supposed to set each instance to it's own ...
2
votes
0answers
23 views

Create/update nested array from a single array

I'm trying to create a very specific data structure with simple arrays but have got into some issues that I have troubles solving. I have an empty array and one that I want to build the empty array ...
2
votes
0answers
55 views

Check if value is Array, If so - show it

I try to do the following: <div class="appDetailsContainer"> <div class="appDetails" ng-repeat="(key, value) in CurrentVC"> <p class="appHeader">{{key}}:</p> ...
2
votes
0answers
58 views

Which multidimensional data storage to use?

I have a project I'm working on in which I need to have first, an infinite 2d array of integers (probably somewhat small) each of these containing another 2d array 100x100, in each of those, another ...
2
votes
0answers
86 views

How to extract a two-dimensional array of single precision floats from a QVariant?

I am using the ThermoVision SDK in Qt to communicate with a FLIR A320 IR Camera. The ThermoVision SDK is ActiveX based. I am having trouble retrieving an image from the camera with the GetImage ...
2
votes
0answers
136 views

CGAL How to use global indices on vertices in dDimensional Triangulation?

The Problem Using CGAL, I am creating a random point cloud in d-Dimensional space like so: #include <CGAL/Cartesian_d.h> #include <CGAL/point_generators_d.h> #include ...
2
votes
0answers
102 views

How do I use MPI to scatter a 2d array?

I am trying to use MPI to distribute the work for bucket sort. When I scatter the array, I wanted each process to receive a single bucket (int array) and be able to print its content. However, my ...
2
votes
0answers
221 views

C# resize multi dimension array

How can I resize all dimensions of a multi-dimension (int, char, string, double, etc.) array? I made this which works, but it is only works with Array class: private Array ResizeArray(object Arr, ...
2
votes
0answers
220 views

2D Numpy Array Beginner troubles

my issues is with trying to work with arrays that for each elements is a tuple of 2 values. specifically the problem is to generate a random 2-dimensional walk of 200 (but for testing say 2) steps ...
2
votes
0answers
201 views

How to persist multi dimensional array with Morphia

I am trying to persist this class into mongodb using Morphia, @Entity public class A { @Id private String id; private int[][][] param = {{{0,0},{1,1}}, {{2,2},{3,3}}}; } The ...
2
votes
0answers
422 views

Android multiple dialogs under tabactivity showDialog(0)

I wanted to create a multiple Activitiy under tab dialog. But the problem is that when I press the button, I get the following error: and apps from bases. 06-18 19:57:06.444 E / AndroidRuntime ...
2
votes
0answers
133 views

How to dive dynamic 2D array in totalview

Following this thread I would like to share a related issue: how to dive int ** as 2D array in totalview? (in which the solution is discussed here). In case anyone faces the same issue, I hope this ...
1
vote
0answers
24 views

segmentation failure while allocating memory for a 2D array in c [SOLVED]

I have a function that returns all the combinations of letters possible in the alphabet with repetition in a word of length LENTH_MAX. The function returns these combinations in a 2D array call 'arr'. ...
1
vote
0answers
36 views

Merge multidimensional PHP arrays

From this foreach: foreach ($statisticheProdotti as $values) { $prod[] = $values['nome']; $nomi = array_values(array_unique($prod, SORT_REGULAR)); $arr = ...
1
vote
0answers
17 views

PHP: Filtering multidimensional arrays

I'm trying to filter the following multidimentional array: Array ( [0] => stdClass Object ( [term_id] => 5 [name] => Freelance [slug] => freelance-category1 [term_group] => 0 ...
1
vote
0answers
73 views

Writing a Java program to encrypt and decrypt a ADFGVX cipher

I need to be able to encrypt and decrypt a message using a Polybius Square. I know how this works on paper but don't know where to start when turning it into a program. I was planning to use a hash ...
1
vote
0answers
30 views

Render multi-dimensionnal arrays in TWIG

I am fetching associated objects through 3 tables (“User”,” Client”,” Account”). “User” has a one-to-many relationship to “Client”, “Client” has a one-to-many relationship to “Account”. I fetch all ...
1
vote
0answers
52 views

Filter in vba for excel multidimensional array

I need to fetch the number and details of data like a multidimensional array. The probleme is I need to make it with VBA so it's only with 1 click. I need to fetch the data according to the date, ...
1
vote
0answers
31 views

PHP - getting data from multidimensional array with objects

I have a problem modifying one of WP plugins, I need to insert some data from an object into a MySQL table, but I have troubles with pulling it out of an object array Here is a piece of var_export of ...
1
vote
0answers
51 views

Highlighting “Legal Moves” In chess-like game on panel array- Java

this is more of a logic question than syntax but I'm sure you guys have better ways to do it than me anyway. So I have some pieces (JLabels) on a board (11x11 Grid of JPanels on a JPanel) all in a ...
1
vote
0answers
69 views

Writing an efficient code for row-wise reshaping of multi-dimentsional array

I am converting my matlab code to C-code. I need to write a function for "reshaping" multi-dimensional array similar to "reshape" function in matlab who does it in "row-wise" manner. Though I can ...
1
vote
0answers
61 views

Add value to row of multidimensional vector c++ with push_back

I want to push_back only one column in a multidimensional vector. How do I only access and push_back the vector at a specific row with an int? typedef vector<int> Row; typedef vector<Row> ...
1
vote
0answers
18 views

Find location address for sepcific element in array

I want to know how to find memory address for specific Index in three dimensioned array without do that by code such as i have array[5][5][6] I want to find the location in memory for index element ...
1
vote
0answers
82 views

error realloc 2D array

I would like to realloc a 2D array. I have a counter, itime it increases each step. Each step, I would like to reallocate my array, keeping the old values, and add new values to the array. When ...
1
vote
0answers
21 views

Mimicking a join and group by statement with multidimensional array

Source/Input I have a multidimensional array: array (size=2) 'array_one' => array (size=2) 0 => array (size=2) 0 => string 'ABC' (length=3) 1 => ...
1
vote
0answers
56 views

Why do I get a segmentation fault when trying to copy an array from stdin to a 2d array?

This is in relation to the HackerRank Restaurant problem, which I have solved in other languages but am trying, now, to solve in C.https://www.hackerrank.com/challenges/restaurant I first tried to ...
1
vote
0answers
69 views

Need help on compare and merge two array?

I have following two arrays which comes from the same database use the same query to get both. both contains information about a single sales order having two different line items(Bill of materials) ...
1
vote
0answers
50 views

Can multidimensional arrays cause 403 forbidden errors?

Let's say I have a php hash with questions as the keys to subhashes that have answers as the keys to their correctness values: $questions = array( //1 "What?" => array( "Answer A" ...
1
vote
0answers
26 views

What is a best practise for multidimensional parameters map?

Good day Stackoverflow community! I would like to know any best practices for the following problem: I need to build a system that will return certain value (say, partner ID) based in several input ...
1
vote
0answers
38 views

How to retain newly added values on a two-dimensional array (JAVA)

I'm stuck at this part of my program. These are 2 options for my Student Information System (not using GUI/JOption and without linking to a database. I already have a 2-dimensional array (String ...
1
vote
0answers
39 views

weird array behavior with .push

I'm working on a scheduling script that grabs schedule data from a multidimensional array and pushes only the values from the original array that correspond to the current time to a second ...
1
vote
0answers
64 views

How to populate forms with multidimensional names

I'm using larave4 and cannot populate forms with multidimensional names. I need to pre-populate form with data to display to the screen. I understand and have tested the following works $values = ...
1
vote
0answers
110 views

Downcasting Multidimensional Arrays Swift

I am trying to downcast a multidimensional array property which is required by a protocol in a subclass of the protocol conforming class. However currently the compiler is giving me a an error when I ...
1
vote
0answers
96 views

Slow access to multidimensional array's items

I am experiencing one minor problem with Swift. I am porting my old C++ code to it, and there are several places where I am using two-dimensional arrays. Swift code now looks like: var ...
1
vote
0answers
41 views

2D binary string pyevolve

I am new to pyevolve and GA in Python. I am trying to make a 2D binary array representing matches. Something like this: A B C 1 1 0 0 2 0 1 0 3 1 0 0 4 0 0 1 My goal is to have only one "1" in ...
1
vote
0answers
55 views

Arbitrary and consistent change of array values for no apparent reason in c

The code below generates a 3x3 matrix with random integer values between 1-9. The matrix is generated in the initSquare function and is printed in the printSquare function, but for some unknown ...
1
vote
0answers
93 views

Multidimensional array with many sub

Hello, everyone! Can anyone help me create this multidimensional array? $page_nav = array( "dashboard" => array( "title" => "Dashboard", "url" => "ajax/dashboard.php", "icon" ...
1
vote
0answers
105 views

Angular JS 2 depth dynamic model

I want to create a dynamic model in angularjs. There is not seem to be a way to work as i want. I tried to declare as array but not even then worked Controller $scope.cccdirect = {} $scope.items = [ ...
1
vote
0answers
18 views

Store Multidimentional Array In Cookies

I want to Save user current histroy in cookies For Example Cookie named histroy stores data like this var history1 = ['post_link' , 'post_name' , 'post_image'] and if user open another post ...
1
vote
0answers
69 views

Class with Multidimensional Container

I am working on a Recurrent Neural Network in C++ using the Qt library. It gets constructed with a vector containing the topology where the number of elements define the number of layers and each ...
1
vote
0answers
177 views

PHP Multidimensional array within nested foreach loop

Working on a wordpress metabox-plugin and trying to save metadata as a multidimensional array (in text that i explode later on). This is my code: function wordpress_metabox() { $event_adress = ...
1
vote
0answers
392 views

PHP SoapClient: How to pass complex-type parameters to a webservice?

I'm having trouble passing nested array parameters while accessing a SOAP-Service from a PHP Application. I found several threads regarding this issue, but none of them solved my problem. So I hope ...
1
vote
0answers
143 views

nested loop cell array condition Matlab

I'v a cell array containing multiple dimensional cells (rows and columns obviously) and I want some operations in a nested loop, but I want the outer loop condition for every dimension of cell, as ...

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