# Algorithm for matrix addition in c program

It only takes a minute to sign up. The matrix elements are stored in F in an arbitrary order. Due to limited memory, for storing all three matrices, you can use space to hold only up to 9n values NOT triplets. Is it possible to have an O n solution? If no, give reasons. If yes, provide a solution. Clearly explain the data structure and how you are going to store, retrieve, and add the elements.

I want to know whether retrieving the values from file takes time or it can be done in constant time. Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Algorithm Addition of two matrices Ask Question. Asked 1 year, 10 months ago. Active 1 year, 10 months ago. Viewed 2k times. The matrix entries are stored as triplets i,j,valuewhere value is the i,j th element of a matrix. If it takes time then I think it is not possible to have an O n solution to the problem. Please correct me if I am wrong. If it takes constant time then please provide a algorithm to solve the problem in O n time.

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Kushagra Chatterjee Kushagra Chatterjee 39 4 4 bronze badges. As long as you spend O n time in file access, you'll be fine. I think it would take O n2 time in file access. So there are at most 3n triplets to read from the file. It seems you can read the three diagonals in three arrays using 3n memory and O n time.

Can you credit the original source? Please do not post the same question on multiple sites.Your Question is not clear I think……….? Good, but it can be more easy according to new user.

If any other sit also avlable for a beginner please reply. The short answer is- Above matrix is not sparse. The long answer is- Above matrix is not sparse because in this matrix No. Hi THere! Thank YOu! Write a program to represent sparse integer matrices that is, most entries are zero using linked lists. Your program should store only non-zero entries of A using linked lists as described in the following.

A i; j value 4. Matrix input format To read a matrix A as input, your program should read m and n followed by each row of A. Your implementation should not make a copy of the matrix elements in memory.

C Program for Matrix Multiplication (Part 2)

Ensure that the output of addition and multiplication follows the same representation scheme where only the non-zero elements are stored in memory. Implement a print method to print a matrix and use the same procedure to print the output for the above operations. The print method should print the number of rows and columns of the matrix in separate lines followed by all its elements including the zeroes in row-wise manner.

Each row should be printed in a separate line and the row elements should be tab separated.

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Your program should not print anything to the output except the output matrix. Write a program in C to read a sparse matrix of integer values and to search the sparse matrix for an element specified by the user. Print the result of the search appropriately. Use the triple to represent an element in the sparse matrix. I am trying to trasnpose the matrix the matrix before adding the I ma having issues with that, can you help.

I can only scwith the cols to rows, but not the rows to coulms, ezample given: 1,1,3 3,1,5 the result should be 1,1,3 1,3,5 I thoguth of creating a new matrix and switching the los and rows, and return it. What i do not realize is if truth be told how you are now not actually much more neatly-liked than you might be right now.

You already know therefore significantly when it comes to this matter, produced me personally imagine it from a lot of varied angles. Your personal stuffs excellent. Always take care of it up! I think this is one of the most significant information for me. And i am glad reading your article.Multiplication of matrices is a very popular tutorial generally included in Arrays of C Programming.

This will help you visualize the working mechanism of multiplication of matrices, and understand how to write code following what steps. As the matrix is a collection of numbers in rectangular form, its multiplication procedure is not the same as multiplication of numbers.

There are certain distinct rules which must be followed during matrix multiplication by manual method and by using programming. Also see, Matrix Multiplication C Program. The algorithm and flowchart to solution of any problem gives the basic trick to be utilized during programming and the basic idea of how to write the source code. The study of flowchart of matrix multiplication helps the programmer to visualize the flow of control during execution of program.

## Matrix multiplication in C

Wednesday, April 15, Code with C. Tower of Hanoi Algorithm and Flowchart. Trapezoidal Method Algorithm and Flowchart. Please enter your comment! Please enter your name here. You have entered an incorrect email address!There are two kinds of matrix multiplication, scalar multiplication and matrix multiplication.

Matrix multiplication is multiplication of two matrices whereas scalar multiplication is multiplication of a matrix and a single number.

Toggle navigation Home. Write a C program to multiply a scalar number and a matrix C program for scalar multiplication of a matrix. In matrix algebra, a real number is called a scalar. The scalar product of a real number s, and a matrix A is the matrix sA.

In scalar multiplication of matrix, we simply multiply each element of the matrix by a scalar number. Algorithm of scalar multiplication of matrix Let s be scalar real numbers and A be a m x n matrix. To multiply a matrix with a number, we multiply each element of matrix with that number. Traverse every element of matrix using two loops. Properties of scalar multiplication of matrix Let s and t be scalar real numbers and A and B are m x n matrix. Newer Post Older Post Home. C program to add two matrix. C program to compare two matrix. C program to check identity matrix. C Program for matrix multiplication.

C program to print upper triangular matrix. C Program to find transpose of matrix. C Program to print fibonacci series. C program to check if two strings are anagram. List of all C programs.The program can be extended for rectangular matrices. The following post can be useful for extending this program. How to pass a 2D array as a parameter in C? Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above. Writing code in comment?

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I assume the goal of the question is not to implement an efficient matrix multiplication, since it's a hard and still studied problem, so I will answer for the naive implementation of matrix multiplication. This gives us total complexity of assuming 2n-1 modolus for each i,j pair, if less are needed as explained above - adjust accordingly :.

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Active 1 year, 7 months ago. Viewed 10k times. Please tell me if I am approaching this problem correctly, especially with the big-O notation. Balayesu Chilakalapudi 1, 3 3 gold badges 19 19 silver badges 41 41 bronze badges.

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For matrix multiplication your algorithm is wrong. Active Oldest Votes. Hey amit, Thanks a lot for your help. For the multiplication algorithm we are allowed to assume that we only have to do modulus for each 'i,j' pair once. Thanks again.

### Matrix Multiplication Algorithm and Flowchart

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### Addition of two numbers in C

Unanswered Questions. C Programming. Database Programming. Write a algorithm in c to add two sparse matrices? Wiki User Elements in same column?

End of either row? Finished Exit. Write a algorithm to add two polynomials using aaray? Asked in Linux How do you add two matrices using Linux shell script? I want to make dynamic matrix multiplication. Asked in C Programming Write a program to perform addition of two matrix using the concept of array of pointer in c language? Write a program to add two matrices using the concept of arrays. Asked in Java Programming Write a program to add two 3x3 matrices in java?

Presumably, both the original matrices and the result matrix would be stored in 2-dimensional arrays; to do the actual addition, write two "for" loops, one for each row, and one for each column. Inside the inner "for" loop, just add the corresponding elements and place the result in the result matrix.

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The usual rules of addition of fractions apply. They must have the same dimensions. If you want to add two matrices you need to make sure that they are both of the same size and type. For instance, if you want to add two 1D matrices it will look like this An "algorithm" is simply a method to solve a certain problem. For example, when you use the standard method you learned in school to write down two numbers, one beneath the other, then add them, you are using an algorithm - a method that is known to give correct results in this particular case.

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Asked in C Programming Write a c program for addition of two sparse matrices? Asked in Computer Programming, Software Engineering, Intel and Write an assembly language program and algorithm to add two bit numbers for microprocessors?