Multidimensional-array Questions
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What is the right way to work 2 static 2d arrays in C?
I have 2 static matrices. a[][n] and b[][m]. both n and m are pre defined and are not equal to each other. now how am i supposed to write
Extra Printing of Chars in 2D Char Array
I'm trying to print out each element of a 2d char arrray in turn using this piece of code: #include <stdio.h> #include
Printing the values of multidimensional arrays
greetings of the day i am a beginner to c. i am learning c. i am solving a problem of 2d
Function cannot find failed memory allocation
Function int load(const char *filename, int ***ptr, enum save_format_t format) should load data from binary or text
How do I return a struct with dynamic multidimensional arrays in C?
I have the following problem: "if i try to return a struct with a dynamic multidimensional array, i lose the data inside of that array. if i
is there a way to check if a point in an array exists
I am making a code of conways game of life. i am using a function to check all the cells surrounding each alive cell and store how many times they
What is the fastest way to see if the values from a 2 dimensional array are present in 3 other two dimensional arrays
I have 4 integer two dimensional arrays of the form: {{1,2,3},{1,2,3},{1,2,3}} the first 3(a,b,c) are of size/shape
How to find frequency of every element row wise in a 2D matrix?
I am having a 2d-list as temp=[[0.5, 0.5, 2.0], [0.5, 0.5, -1.0, -1.0, -1.0], [0.5, 0.5, 2.0, -0.25], [-1.0, 2.0, -1.0, -1.0], [2.0, -1.0, -1.0,
How to implement operator[][] for 1D arrays
Is there a way to implement an operator like [][] for a 1d array? i want to change the implementation of a 2d vector to a 1d
(C) N x N Array of zeros
I am new to c and would like to create a n x n matrix of zeros (i.e., every element is zero). n is an integer. using matlab i managed to
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Insert multi rows in Adonisjs doesn't work
I have a problem when insert multi row using adonisjs. i have a form data in json array, when i'm try to insert this data using
create repetition of elements multidimentional
I am trying to create a repetition of elements given array like this [1,2,10] to get the result by size
Create multidimensional array in a loop with auto index
I'd like to create a multidimensional array using a loop in jquery/js. is it possible to use the next available key instead of setting it
How to get max value of each index from multi dimentional array - javascript
This is my first time facing multidimensional array. i have an array of year like this: yeararr = [ [2019, 2018, ''],
How to search for a string other than specify in array count values function?
I'm trying to create a chart using chart.js, however, there is a problem when trying to count values from an array. there is a key in array called
Get all arrays in between two elements in a multidimensional array PHP
Please i need help. i have a php difficulty. this is multidimensional array and i want to get all the arrays in between "credit agreements
Label nonzero neighbour values in 2d array
I have a 2d list consist of 0 and 1 like this a=[['0', '0', '1', '1', '0', '0', '0', '0',
JS Tetris deleting line issue
Am learning javascript and for this i wanted to make a tetris game. till now i got a lot of functionality, but am stuck at the clearrow() (clear
Counting adjacent -1s in a 2d array for a given row/column without checking positions out of bounds
Need help figuring out a different way to write count(), it's something that will add to my code here: public class grid {
Compare multidimensional arrays and find min/max values in JavaScript
In my javascript game i'm saving scores in a multidimensional array (in a local storage). i'm saving a themeid, an identifier
For loop in Jinja2 splitting the chars in nested list, instead of returning whole of nested list
My doubts list is [['a','b','this is a sentence']] my html (jinja) is {% for x in doubts %} {{ x }} {% endfor %}
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best practice for multidimensional arrays in python
Suppose i have a collection of objects which i wish to save in python, say, a list of numbers: [0.12, 0.85, 0.11, 0.12], [0.23, 0.52, 0.10, 0.19],
How do I assign colors to containers from a list of colors?
How do i assign colors to my row from a list of colors here is the code. import 'dart:math'; import
How to set defaultValue of a radioGroup from a nested Array object in React state?
I have this array object in state called formrating formrating:array[22] 0: {…} condid: "c2.1(a)" rate: "n/a" 1: {…}
Determining if a knight can pass through all cells in a 2d array - if so print board
I need an advice regarding this problem called "knight path". given an n*n board whose cells are initialized to 0, i need to determine,
Typescript flatten complex nested array
I'm still pretty new to typescript so i've been looking at all the provided solutions but i'm still stuck with a complex nested array. i have the
Flutter Define Map Multi-dimensional structure including Key Names
I'm trying to create a custom navigation widget. this essentially involves a map where the key is the route. one's the key is defined instead of
Export CSV format with multidimensional array
I am trying to export multidimensional array to csv format with below code, i am getting few errors.. below is the array
Undefined array key in nested array loop php
I have been trying but i don't know how i can create something like that dynamically without this warnings, $response[$item[0]][$item[1]] +=
Find Array[1D] in Array[2D] and return index
Have any way can find a match index in array[2d] faster? i know compare 1 by 1 can make this ok, but i don't wanted to. i tried this one,
Python matrices without numpy
I'm trying to learn how to operate on python matrices but it's difficult since online i'm finding nothing but numpy library and it is forbidden to
Repeat function as long as fail condition is not met
I am creating a python roguelike which utilises proceduraly created dungeon maps. i decided to achieve this using pythons' lists. i created a 2d
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How to force numpy to interpret 2 dimensional array as 1 dimensional
My problem: import numpy as np import itertools bla = list(itertools.product([0, 1], repeat=3)) [(0, 0, 0), (0, 0, 1), (0, 1, 0),
How to make multi-dementional arrays with array lists wiht axios and vue js
I am quite new to the axios and javascript and i am so confused with making multi-dimentional array. 1. i want my data to look like :
JS: Convert dot string array to object tree
I have a string array like this and trying to build a tree hierarch grouped with . notation. i tried using recursive function and "set" function
Insert list to a 2D list at a specific index
I didn't find a lot about inserting a list to a 2d list. i tried to use append (which doesn't work because append can't append at specific
How to make string from multidimential array values using parent child values ? - Dynamic SQL query generator
This is dynamic array data. i have mention below sample data from this i need to generate sql query im using vuejs +
Show all the data from a nested array of objects in React Native
This is my data in a state called childdata: {} object { "11-5-2019": object { "18:32": object { "color": "brown",
Getting "corrupted size vs. prev_size" in C++
I'm trying to create a program to print a 2d matrix after reading in data from a file. my program works fine if the 2d matrix is a square
C: How can I create a 2d array that hold 2d arrays?
For example i have generated a "zone" of 1s and 0s in a 2x2 2d array . but i need to store 9 of these zones to access whenever from
How to access dynamically value of an array from API Response in PHP?
I'm not really good with array, and need some help, i need to specifically retrieve only "value" from this given array, for example of
How to create a path based on array with multiple children
So, basically what i'm trying to do is getting combinations of the array children, for example i got the array:
How to return True if two-dimensional array in python has at least one True
I'm trying to write a code which checks if 2d-array (consists of only boolean) has at least one true and return true if there is at least one
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Multidimensional array printing wrong values in cpp
I've been struggling with a simple class representing a matrix in c++. instead of using a multidimensional array, i've decided to use a flat array
is it possible to define multidim arrays with #define directive in pure C?
I want to manage my packs of string constants separately from the computational code. i want to do it in separate file.
plotting an mXnXk matrix as a 3d model in python
I have a matrix generated by parsing a file the numpy array is the size 101x101x41 and each entry has a value which represents the magnitude at
Sorting 2D numpy array using indices returned from np.argsort()
When we have a 1d numpy array, we can sort it the following way: >>> temp = np.random.randint(1,10, 10) >>> temp
How to extract an array of same dimension as the original array meeting a condition?
The question sounds very basic. but when i try to use where or boolean conditions on numpy arrays, it always returns a
Numpy trim_zeros in 2D or 3D
How to remove leading / trailing zeros from a numpy array?
reshape 4D numpy Array of the image is changing the images figures
I want to change the 4d array of images from (50, 100, 100, 128) to (50,128, 100, 100) but when i plot the image after reshaping it the image was
What is the difference between numpyArr[:,:,:,c] and numpyArr[...,c]?
I've beeen taking deep learning course on coursera. while i was doing my assignment i saw one piece of code on the github. 1.
How to extract data from nested json array?
Every time user submits data, i receive it in nested json array of data and i need extract that data. so, sometimes it can be from
Equivalent of R array in Python
I'm trying to find the python equivalent to r's array function is when called in the following manner. array(rep(1,
How to calculate the mean of "n" outputs which I got after using for loop and assign it to a variable?
I used a for loop to calculate a series of thresholds for diff segments in an image. >>crdf [(11, 6), (11, 7), (11, 11),
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python multidimensional array create with explicit size
The value of index 1 changes in all rows in method1. how should i create an ar1 array correctly? method1:
javascript - create multidimensional array from another multidimensional array
I need to generate a multidimensional array from a multidimensional array. for example, my array: var codes = [ ['2',
Merging arrays and plots
Let's say i have 2 arrays like these: x1 = [ 1.2, 1.8, 2.3, 4.5, 20.0] y1 = [10.3, 11.8, 12.3, 11.5, 11.5]
Laravel 5.3 creating multi dimention array from DB results
Reuqirment my db has a table named categories and also a table named products
Why does model.fit require two-dimensional tensors? And why does model.predict not accept scalar tensors?
I was learning tensorflow.js when i noticed that model.fit has to take in two arguments, input and output, and some configurations. but the inputs
Some php coding about array_search with unexpected result
I want to find a key value from a array, if not exist then insert a array set into a array list if i search blue, it will return y but if
How to group/club elements in a 2D list based on the 1D elements belonging to another 2D list?
I'm new to python and i have a question on involving data structures and algorithms(which are essential skills that a programmer should have)
Search an object from nested n level array / JSON object in java script
I have a json object with a nested list. each element from this list can also be a nested list. the depth of each element can go up to n-levels. i
How to add multiple array elements into a transposed structure?
I have these arrays $months = ['jan', 'feb']; $cashuniform = [2000, 1200]; $cashfee =
Python : Map over multidimensional dictionary using a list
I need a function to change values within a nested dictionary, by crawling a list instead of the usual dic[key1][key2] = value
Storing Results in n*m Matrix in Python
I want to store the results into a matrix of 4*9. i have posted my code and i am using nested for loop. i am having difficulties in how
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Only the first array inside a 2D array being updated by function
I have written this code below to create a randomised sudoku puzzle grid: import time import random import math sudoline =
Error when parsing FedEx Multidimensional Arrays with N-Level in Laravel
Fedex web services return the following multidimensional array: array(2) { ["meta"]=> array(2) { ["code"]=>
calculate the index of column in javascript
I want to get the summation of 2d array per column, and i don't know why it's adding everything. let vals = [ [1, 1, 1], [1, 1,
How to replace some values in multidimentional array with another array
I try to replace some value in a multidimensional array with another array with the same key but it turns out to replace all
React Native: Sort multidimensional array
I would like to sort my array by a value which is contained inside the array of the array. this is my array which i fetch from an api:
Indexing multidimensional numpy array inside numba's jitclass
I'm trying to insert a small multidimensional array into a larger one inside a numba jitclass. the small array is set specific positions of the
Recursion on subarrays with "child" key
I have array of arrays - tree structure of main menu. i try to find in this tree one node with needed slug and return this node with
How to merge array elements with comma separated value without using explode function
I want to merge array elements into comma separated values. this is an array array:12 [ 0 => array:2 [ "name" =>
How to force user to enter a different number each time in a given range in Python?
My question is related to book "starting out with python" (3rd edition) by tony gaddis. it is chapter 7 question 11. let me excerpt question for
How to Access Last Index of Nested Array
I'm trying to figure out how to access the last index of a nested array. the array i am working with is provided by an api call and is very large
How can I setState for the nested array and objects?
I need to save a data in this format: categoryselect: 0: { { question: [],
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Dynamic multidemension Array with Date keys in Javascript
How do i loop the newly created dynamic array by key and sub array. var days = new array(); $.each(json_object, function(r, row)
Trying to Remove Nesting from Json Array in PHP
As you can see i have a json array with multiple elements, and i have been trying to remove the nesting ("demarche") element and i want
Matrix definition, adding two different data type matrices
I'm writing my own matrix type version in c programming language. i'm also trying to use information hiding, so i have my code divided into two
looping into nested array and modify data
As per the above structure, all the types are having text-1. i wanted only the first occurrence to be in text-1
Array that store color maps flutter
¿how can we create an array to store colors in dart, with this structure style? "1":{ "a":
How to remove multiple elements from arrays of an array using GAS?
The problem i have a dataset encompassing empty columns. this dataset is obtained by getvalues() of a defined
How To get keys(index) of collection in laravel
I am using laravel and i have one collection and there are some collection in it so i want to get index of each collection my collection
Count duplicate data and store it to a variable
I want to count the duplicated data in an array and store it to a variable. i managed to count it using array_count_values() but i
Taking Input in a 3D array
I am beginner in python. this is a code i had written in c. i am trying to convert it to python. int
Analog to .* for tensor/ vector multiplications in matlab
I am generalizing a 1-d numerical method to 2-d and have run into an inconvenience. i was previously scaling each row in an array by using b.*a,
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Get closest coordinate in 2D array
Coordinates = [(-225.0, -299.5), (-150.0, 75.5), (0.0, 0.0), (225.0, 300.5)] xy = (-222.4, -204.5) what is the best way
How to get the common values from 2 Laravel collections
I have 2 collections in laravel, and i want only common values in my $result object. i see that
php - check multidimensional array for values that exists in more than 1 subarray
Following simplified multidimensional array given: $input = array ( [arr1] => array ( [0] => jan2016
Insert Object inside array of array
I need to display 3 objects inside of 1 page of carousel. maximum of 3 object per page. how will i do that using loop? or anything from
How to fetch data from associative array in blade?
I am trying to fetch keys of array separately and values separately. actual output: [ "it" => [ "programming"
how to use queries on 2 relationships in laravel
I have model with 2 relationships. i want to add where condition on each relationship. for example show me a room that date is
Retrieve selected columns of a 2 dimensional array
I need to retrieve selected columns of a 2 dimensional array, i have a 2 dimensional array var indexes = [2,3,5]; var data = [
Structuring data in this multidimensional-array
I am processing images in python and for a specific purpose i've been asked to "make numpy arrays with these dimensions: 32x3x512x512 (patches x
how to implement a search by object by value if each of them is invested in years and months
I made a website and i just can't manage to search by multidimensional array / object (i don’t know what the difference is). before
How to count the amount of keys in a multidimensional array
I have the following multidimensional array : meeting[$loop->index][person]are checkboxes
How to show data from array reactjs?
I need to get all values for the one city from multi dimensional array, not for all cities :) i really can't understand how to write it in the
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Concatenate data from a multidimensional Array and HTML
I find that the code works as i intended (i think). but the last step in which i print the data feels wrong. the way i concatenate the html and js
Flatten a multi dimensional array inside a multi dimensional array but retain keys?
$arr = [ 'name' => 'john', 'access' => '1', 'address' => [ 'line_1' => '10', 'line_2' =>
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