[matrix-multiplication] Forum Topics

hi every one........... i'm new in this forum and need ur help please.... i want to write a programme using c++ code, programme that find the optimal parenthesization of a matrix-chain product, then perform the optimal matrix -chain multiply 4 a sequence of matrices, but the user should enter the …

Hi, I'm very much a beginner to C++, but I've been assigned a project outside of my programming class that is starting to get tricky. I'm modelling a layered optical system and I need to create N two-dimensional arrays (2x2 matrices to be used in matrix multiplication), where N is …

Could someone please advise me on how to implement fork() in a parallel processing (multiplying) of a 2d array....I have been at this for far too long.. here is my code [code] for (int i = 0; i < rowCol[0]; i++ ) result[i] = (float*)malloc ( rowCol[1] * sizeof(float) ); …

i want the time complexity for transpose of a matrix i want the time complexity for heap sort i want time complexity for merge sort

i want C++ programing which do- Addition - Multiplication - Finding the Inverse - Finding the Determinant

Practise problem by ~s.o.s~ Q. Write a program which performs addition, subtraction, multiplication of matrices. The dimensions of both the matrices would be specified by the user (dynamic memory allocation required). Use of structure or a class to define the matrix would be a good idea. (Expert) [CODE]#include<iostream> using namespace …

[B]i need c program for [/B] [B]1.[/B] "[B]menu driven in c program using pointers[/B]. [COLOR="Red"]1.comparition of two strin , 2.length of two string, 3.reverse, 4.palindrome all without using string function" [/COLOR] [B]2.[/B] "[B]menu driven program using pointer with array[/B]. [COLOR="Red"]1.addition of two matrix, 2.subtracion of two matrix, 3.multiplication of matrix, …

Hii, The problem statement i am referring to is: Buttons Each cell of an N x N grid is either a 0 or a 1. You are given two such N x N grids, the initial grid and the final grid. There is a button against each row and each …

hey guys! so I need to create a matrix 6x6 and then fill it with random numbers from 0 to 3.... and I need to leave the diagonal of the matrix with 0s... The rows are supposed to be soccer teams so if row 1 wins row 2... the program …

Hey, could someone help me out by telling me how I can read in 2 matrices from a single input file?

This is code for parallel interference cancelltion in ds cdma using matrix algebraic approach. Please check the code and let me know if iam doin any mistake . Also I need to apply slow and fast rayleigh fading in this model. The rcd signal is R = SAB + N …

I need help on getting started with a simple program. I made the mistake of taking too long between classes and it has slipped my mind. Design and implement an abstract data type for a matrix of integers. Include a function that will multiply two matrices. Write a small driver …

I am writing a program to implement this without using any built in function from C++. I am having some trouble figuring out how to find the decimal value and exponent for very small numbers like 0.25 0.15 0.0 etc. I need to convert my float to binary and then …

I have to create a random matrix m*n where m and n are user inputs. Now i have to fill the matrix with random nos. Finally I must have a matrix where each value is either 0 , 1 , a fraction no between 0 and 1, and also sum …

Hi people, I am writing a code to do some matrix manipulation stuff. like replication of a matrix in a bigger matrix vertically and horizontally, or putting some elements on a specific diagonal. The problem is that when the size of 2-D array goes to 290, the program crashes. The …

in this code i did matrix multiplication 1. it accepts size of the matrix 1 . 2 . i used functions for enter matrix from user and print it. problem is that....it is printing garbage elements...[code]#include<stdio.h> #include<conio.h> void mx_enter(long int **arg,long int a,long int b) { long int i,j; arg=(int …

Please, I need help in finding the sum of two matrices using pointers. Thanks.

I have a symmetrical matrix [B]A[/B] 8 x 8. First I need to find matrix [B]B[/B] = [B]A[/B][sup]T[/sup]*[B]A[/B]; Next I need to inverse B and find [B]C[/B] = [B]B[/B][sup]-1[/sup]; Help please !

I am coding a program that requires a dynamic 2-d matrix. it is a finite element analysis program using stiffness method to give you some context. Can someone suggest a good free library for matrix operations? Thanks!

plz send me coding which add two matrix by using two dimension array:icon_sad:

hi i am muzamal.i have a assignment question .somebody can help me. please send me code of this programme.i tried hard but not succeeded.please help me early.emergently send me please .because time is short for me . thanks[COLOR="Red"][/COLOR]

Can anyone tell me what is wrong with this code? #include <iostream> #define MATRIX_DIMENSION 4 int main(int nArgs, char** pArgs) { int nDim = MATRIX_DIMENSION; double fMatr[MATRIX_DIMENSION*MATRIX_DIMENSION] = { 1.0, 2.0, -1.0, -2.0, 1.0, 3.0, -1.0, -2.0, 2.0, 1.0, 1.0, 1.0, 3.0, 1.0, 2.0, 1.0, }; double fVec[MATRIX_DIMENSION] = {-6.0, …

hi how to make function to find if matrix is symmetric or not in c++ ?? matrix could have any size from 1X1 to 10X10. i use programe borland c++

Hello, I'm confused on how to put the Random.Next() method into my matrix array. First my matrix array is already messed up, I'm trying to create a 6 by 10 matrix of random numbers and then show the numbers times two. here is the code i've already done, ps my …

write a program that will multiply two dimentional arrays as follow: 1. The program should prompt the user for the dimention of the first array (row x coloum). 2. The program should get the values of the first array one by one. (e.g. program should display "enter value of a[1][1]= …

Hi. I have this part of code. [CODE] int main() { int **table = NULL; allocated_matrix(table, 3, 3); //next instructions } void allocate_matrix((what_type_here)table, int rows, int columns) { table = (int **) malloc(rows * sizeof(int *)); for (int i = 0; i < rows; i++) { table[i] = (int *) …

please can any one help in this by mips :(quickly) You have to write a MIPS program that multiplies two 3x3 matrices. The two matrices are defined for you in the code. The program then prints the two matrices and their product. You should use loops to navigate through the …

hey everyone i have a task to write down the adjacency matrix of this graph and im a little unsure how it should look i hope there is someone that can help, thx in advance:-/

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If this isn't the right place to ask about JVM, then please direct me to the correct place, thank you. :) Anyways, I was wondering about the arraylength command. Would I be able to use that in order to find the length of rows and columns in a predefined matrix? …

I am having a problem with overloading an operator within a class structure. Below is the program that illustrates my problem. It defines a class Matrix, creates two matrices and multiplies them. I created to multiplication functions. The first is a straight function, the second uses the overloaded * operator. …

[code] #include<stdio.h> int m,i,c; main() { clrscr(); for(m=1; m<=10; m++) { for(i=1; i<=10; i++) { c=m*i; printf ("%d\t",c); } printf ("\n"); } getch(); } [/code]

Hey Everyone, I have written this Matrix Multiplication program. But The Program seems to crash when during the filling of the first matrix, exactly after the completion of the first row. Here is my implementation [code] #include <iostream> using namespace std; void generate (int ** ,int ,int); void fill (int …

Hi, I have a problem with my matrix program. i created and initialized my matrix now i have to file the matrix with values of corr. i want it to look like this [COLOR="Red"][1, 0.1, 0.2, 0.3] [0, 1, 0.4, 0.5] [0, 0, 1, 0.6] [0, 0, 0, 1][/COLOR] [CODE][/CODE]file …

Dear all, is there is a way to go trough a matrix using just one "for" loop?, I mean I have this snippet: [CODE] #define WIDTH 5 #define HEIGHT 3 int mat [HEIGHT * WIDTH]; int n,m; int main () { for (n=0;n<HEIGHT;n++) for (m=0;m<WIDTH;m++) { mat[n*WIDTH+m]=(n+1)*(m+1); } return 0; …

I have to create a matrix in c from microarray data that so I have to read each string line wise and compare they are related or not. help me....[b]***[/b]

Ok so i have to write code to construct matrices and vectors then compute some linear algebra problems like the dot product and so on. so I have written the code to construct the matrix and the vectors and so the functions, it works and does class operations however what …

#include<stdio.h> #include<conio.h> void main() { int a[10][10],b[10][10],c[10][10],i,j,k,m,n,p,q; printf("Enter The Rows And Cloumns in the Matrix:"); scanf("%d %d",&m,&n); printf("\nEnter Elements Of The Matrix:\n"); for(i=0;i< m;i++) { for(j=0;j< n;j++) { scanf("%d",&a[i][j]); } } printf("The First Matrix Is:\n"); /* Print the first matrix */ for(i=0;i< m;i++) { for(j=0;j< n;j++) printf(" %d ",a[i][j]); printf("\n"); …

void main() { int a[10][10],b[10][10],c[10][10],i,j,k,m,n,p,q; printf("Enter The Rows And Cloumns And Of The First Matrix:"); scanf("%d %d",&m,&n); printf("\nEnter The Rows And Cloumns And Of The Second Matrix:"); scanf("%d %d",&p,&q); printf("\nEnter Elements Of The First Matrix:\n"); for(i=0;i< m;i++) { for(j=0;j< n;j++) { scanf("%d",&a[i][j]); } } printf("\nEnter Elements Of The Second Matrix:\n"); …

Hello. Please, i have this little question of finding the product of two matrices in which the user enters the number of rows and columns. i would appreciate it if a solution is given and even more if there are more than one solutions to the question. thanks.

#include<stdio.h> void AddMatrix(int[2][3],int[2][3],int[2][3],int,int); int main() { int i,j; int matrixA[2][3], matrixB[2][3], matrixC[2][3]; printf("This Program is to find the summation of matrixA and matrixB\n\n"); for(i=0;i<=1;i++){ for(j=0;j<=2;j++){ printf("Please enter matrixA[%d][%d]:",i+1,j+1); scanf("%d", &matrixA[j]); } } printf("\n\n"); for(i=0;i<=1;i++){ for(j=0;j<=2;j++){ printf("Please enter matrixB[%d][%d]:",i+1,j+1); scanf("%d", &matrixB[j]); } } printf("\n\n"); AddMatirix(matrixA,matrixB,matrixC); return 0; } void AddMatrix(int matrixC[2][3], …

Hello. Please, i have this little question of finding the product of two matrices in which the user enters the number of rows and columns. i would appreciate it if a solution is given and even more if there are more than one solutions to the question. thanks.

Can someone help me with this problem... A is an m*n matrix B is an n*p matrix product AB is an m*p then I have to write a function void matrix product that takes two matrices of integers as two separate arguments and then calculates the product of those matrices …

Hey, so I have to make a program that has to multiply two 3x3 matrices (among other things). I used classes to do the project, but I just can't seem to get this multiplication to work. Here is my code so far: [code]void matrix::mult(const matrix& u) { double c[9]; double …

can somebody help me with this program?? i have to program a matrix with n column and n row and it should be able to find a path moving like a horse in chess game(L) that touch every point of the matrix once. the program consist in enter the location …

can somebody help me with this program?? i have to program a matrix with n column and n row and it should be able to find a path moving like a horse in chess game(L) that touch every point of the matrix once. the program consist in enter the location …

So i am writing a simple prgm in which you enter the values of 2 matrices and multiplies them. [code] #include<iostream> #include<iomanip> #include<cmath> using namespace std; int main() { int i, j , k , l, m , n , o, p; cout<<"Enter The Rows And Cloumns And Of The …

ran into a problem i know this is asking for me to calculate the product of a coulmn and row but im not sure where to begin. I know that rowData tells us the value in a row and nRows specifies the number of rowData and the same with nCols …

im working on a program for my exams and its not really working.....cant really figure out why........i ran my program in both borland and turbo.....and both are giving the same error......DECLARATION SYNTAX ERROR. [CODE]void mul(int a[][3],int b[][3]) {int k=0; for (i=0;i<3;++i) { for(j=0;j<3;++j) { c[i][j]=0; for(k=0;k<3;++k) c[i][j]=c[i][j]+(a[i][k]*b[k][j]); //Multiplication of two …

i have two func from one i am passing address of a matrix and in another function getting elemts in matrix. getting coredump on entering first value fn1() { int aiMat[MAX_ROW][MAX_COL]; int iNoOfRows,iNoOfCol; /* calls the function to get matrix from user*/ fnGetMatrix(aiMat,&iNoOfRows,&iNoOfCol); ............ .............. } void fnGetMatrix(int **aiMat,int *iNoOfRows,int …