Recent content by KWKWII

#include <iomanip> cout<< setprecision(3) << fixed << x[i][j]<<" "; (kind of different, but it works the same i set it to only spell out 3 digits behind . ) using that, the result now becomes A11 = -0.000 A21 = 0.000 well, although it's still weird for 0 to have (-) signs but at least...

oh, i thought it wasn't fine... i see, i'll do so next time and also although it is closer to 0, it is not 0 and the actual answer (done manually) is supposed to be 0 tried changing into integer, but it's even worse than using float or double because the solution become numbers without...

it is a repost, but i think i need to because when i re-read the guidelines, i must use proper English which, i think, is not proper on my last post so i tried to simplify my words on the new post (here) and by using double for all matrix variables, it indeed became more precise, but also...

Homework Statement the problem is to find the inverse of a 3x3 matrix using LU Decomposition with C++ command, with the numbers designated. in my case, my numbers for the matrix are '306 410 780' #include <stdio.h> #include <iostream> #include <stdlib.h> #include <math.h> using namespace std...