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Years ago I wrote a program in Fortran for a structural analysis class. At the time I had very little programming experience and mottled my way through the assignment. Fast forward to now and I'm attempting to teach myself Python 3. I figured I'd would try to convert the old …
by colby.christensen in Software Development ()
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I ave been learning NumPy arrays/matrices in Python. As I worked, I found that I desired a more readable form of 3d matrices. So I figured that writing one would be a good goal and learning exercise. The goal was to create a function that would print 3d NumPy matrices …
by BustACode 15 in Software Development ()
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I am working on a multi-level marketing (matrix type) web application for a friend. I need assistance with a code snippet for generating a tree view of the downlines and the income calculations. The width is 3 and depth is 4. Thanks
by connoisseur2010 in Web Development ()
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I've been here before but I'm looking to find a single-pass method to input the LRS ... and get a basic 3x4 (at least) matrix in return: ... ^ matrix is NOT transposed (I'll never understand why we use column-major) anyone got anything on this?? ... also, please don't provide …
by Tcll 9 in Game Development ()
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Problems 1: Spiral matrix - Advanced Source of the problem: ... Spiral matrix is formed by filling number 1 in 1st row 1st column, after that, filling with increasing number by clockwise, example: ... Write a program that inform the value of cell (x, y) of a square spiral matrix …
by Gà_1 in Software Development ()
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For my own use, I'd like to develop a small Vector and a Matrix class, independent of some big libraries that exist out there. My question is: Should Vector and Matrix stay two independent entities or should I derive a Vctor frm a Matrix or a Matrix from a Vector? …
by ddanbe 2,372 in Software Development ()
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I wan to wirte in cout << ... to have the matrix in output in the same format that I wrote it in text file like this: 1 2 3 4 5 2 3 4 5 6 3 4 5 6 7 ...
by rela in Software Development ()
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I have a 1000x24 matrix in a text file and i want to sum the adjoining columns of the whole matrix e.g. col1+col2, col2+col3, col3+col4,... col23+col24 and store these values in a separate text file. My code runs like this: ... for example if a matrix in file 1980.txt is …
by celina1234 in Software Development ()
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I was doing the class tutorial to have matrix multiplication from two dimensional arrays: X (3x2) and Y (2x3). The problem is always array index out of bounds expection.
by SpottyBlue in Software Development ()
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Hello, So I was testing my matrix class and the results look questionable and the inverted matrix isn't returning the vertex to it's original value (a seperate issue). Given a perspective projection at 45 degrees with a near of 1 and a far of 1000, the camera at the orgin …
by Mr.UNOwen in Software Development ()
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Hello, guys, I encountered a big problem. There is a genereted matrix of buttons: What can I do when one of those buttons is pressed (i have the method ) to know what i and j has he? I want to make smoething like this
by BogdanCov in Software Development ()
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Hello all! Can someone help with this matrix? it needs to spiral inwards, from bottom right corner, clockwise... I found this code... and it runs nicely but I need to adapt it in some ways: - I should be able to provide number of rows and columns - the grid …
by azapovjednik 14 in Web Development ()
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This Project is to implement some procedures doing the following: Represent any graph using these input parameters: • A parameter to represent the graph by Adjacency Matrix, or Adjacency List. • A parameter to indicate whether the graph is directed, or undirected. • A parameter to indicate whether the graph …
by Cool_Omar in Software Development ()
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Optimizing Matrix Multiplication One time consuming task is multiplying large matrices. In this post we'll look at ways to improve the speed of this process. We'll be using a square matrix, but with simple modifications the code can be adapted to any type of matrix. The straight forward way to …
by Momerath 1,327 in Software Development ()
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I have a base class called Matrix which has a function transpose. I also have a derived class Matrix2 which is inherited publicly from Matrix In my main code, I tried this. to do this But I get the following error What is wrong... What is the way to access …
by mcodesmart -6 in Software Development ()
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This is really simple. Just take the last letter of the movie name in previous post &amp; put another movie name starting with that letter. Eg.:- if i put "The Matrix -Reloaded" answer may be "Doom" so let's start. I put : The Matrix Revolution
by anupam_smart 2 in Community Center ()
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Hi, I have an assignment. I need to write code in logic programming language SWI-Prolog. Its very hard and I am going to appreciate if you help me :D. This is the assigment: Print 2D array size of (width x height) in spiral order. More explanation and example: You have …
by wizard25 in Software Development ()
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Hello, So I'm aware that OpenGL is Column major and DirectX is Row major, but how does that translate into a basic 1D array? So given the below visual matrix, what would the first 3 in the array of each platform and which 3 would be the x,y and z …
by Mr.UNOwen in Software Development ()
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I have an mxn matrix, that is stored in memory in an array: After I finish with this array, I then need to create very similar array to store a new mxn matrix--the same matrix as before, but with each column shifted to the right. Let's call it matB. Am …
by Jsplinter in Software Development ()
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Hi, I'm a beginner with Java, can anyone tell me where my error is, I'm sure there's something I'm missing here with the array logic: main: my output: [-1, 0, 1] [-1, -3, -3] [2, 4, -1] [0, 0, 1] *The lost row of the matrix is not multiplied by …
by ntaraaki -1 in Software Development ()
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I was wondering if there is any way to do a single mysql query to do a count of filled positions in a multi-level structure to an indefinite depth. That sounds a bit cryptic, but this is what I would like to do if it is at all possible. we …
by showman13 35 in Databases ()
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can any body please tell me that how to take input size of a matrix in 2 d array an then print the table of it.... sample output 1 2 3 4 5 2 4 6 8 10 3 6 9 12 15 4 8 12 16 20 5 10 …
by saif.shafqat.5 in Software Development ()
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please help me i need a dynamic array that get the information as a matris and give me the vertex degrees (sum every row).and send it to another matrix.
by arashe in Software Development ()
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I need to write a code that is gonna remove a whole row/column in a matrix(either static or dynamic matrix)
by Stefan_2 in Software Development ()
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Write a program that can do the following: addition of two matrices . subtraction of two matrices. multiplication of a matrix by a scalar. multiplication of a matrix by a matrix.
by Mohamed_34 in Software Development ()
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This Program prints the numbers in given array(Row-Major Order) in Spiral order. Ex: Order Is 3*4 Spiral Order Of Matrix is 11 12 13 14 18 22 26 25 24 23 19 15 16 17 21 20
by Jaks_maths in Software Development ()
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I cant figure out how to check the array for AND and OR. please, help, i got stuck my code: import java.util.Scanner; public class BooleanProduct .... i lost it here...how can i store the value, because i need it than to compare it with OR ||
by mellixa in Software Development ()
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this is my error: Exception in thread "main" java.lang.Error: Unresolved compilation problem:
by mellixa in Software Development ()
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I have this code that outputs the tfidf for all words in each file in the directory. I'm trying to transfer this to a matrix where each row correspond to each file in the directory and each column to all words in the files and I have some difficulty in …
by souad in Software Development ()
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Hi! I have this code, classes with matrices, overloading operator etc (this is just one part, I reduced it from original). Im getting this error: error: passing 'const matrix' as 'this' argument of 'float& matrix::operator' discards qualifiers [-fpermissive]. (problem with rez[i]=M[i]+A[i];) Thanks for your help.
by ivan3510 8 in Software Development ()