begyu

Hi, I would like to read a directory, and get all the files in that with some kind of sorting, let us say sort by timestamp. Can you help me, here is my code so far: [CODE] #include <stdio.h> #include <iostream> #include <sstream> #include <fstream> #include <cstdlib> #include <vector> #include …

Hello, I need help in the following problem: I have this datarow 0 23 43 67 123 345 565 342 100 42 12 1 0 0 23 43 67 123 345 565 342 100 42 12 1 0 I want to filter out those columns, which are out of the …

Hi all, I need help in the following problem. I have a data file containing 100 columns, with different number of rows. I would like to read for example the columns from 45 to 56 and calculate something on these columns one by one, let's say calulate the mean value …

I have a file containing numbers in the following form: (it has 4 columns and 5 rows and the 3rd row is an empty line) [CODE] (0.761249,0) (0,-0.42632) (0,0.42632) (0.238751,0) (0.636502,0) (0,-0.42632) (0,0.42632) (0.363498,0) [/CODE] and I would like to have like this: (and there would be a number "2" …

Hi all, I have a .cpp code which reads a matrix from a .dat file and compute their eigenvalues. But I would like to read more matrices from the file not only one, and get the eigenvalues in the similar way. Please help to solve this, I stuck at this …

Hi, I would like to define a function, but I get errors... What's wrong with this? [CODE] #include <cstdlib> #include <fstream> #include <iostream> #include <ctime> #include <cmath> #define N 5 using namespace std; const float M_2PIf = 6.283185307179586476925286766559f; const float M_PIf = 3.141592653589793238462643383279f; const float epsilon = M_PIf/(1e-06f); /* -----------------RANDOM_GENERATOR------------------------------- …

Hi, I have generated random unit vector. I would like to rotate it around the axes X,Y,Z in a random way. I thought that I generate 3 random numbers, e.g. 0,1,2. And if the random number is 0, then rotate the vector around X, And if the random number is …

Hi, I should printout the value(s) of the "sum" of the end of the code... But i don't know...:( I am not good at C++. Please help! The code is not so difficult: it generates random 3 dimensional vectors, e.g. number of 5. Then makes a matrix of 3x3 from …