Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #define _USE_MATH_DEFINES
- #include "math.h"
- #include <stdlib.h>
- #include <stdio.h>
- #include <locale.h>
- #include <time.h>
- #include <stdbool.h>
- #define N 15*15*2 // должно быть таким, что бы из этого числа, разделенного на два, извлекался корень
- #define NHalf N / 2
- #define WireWidth (int)sqrt(NHalf) // число осциляторов в строке/столбце одного слоя
- //#define K 1
- const double omega_rand_glial_min = 0;
- const double omega_rand_glial_max = 1;
- const double omega_rand_neuron_min = 3;
- const double omega_rand_neuron_max = 4;
- const double theta_rand_min = 0;
- const double theta_rand_max = 2 * M_PI;
- double A[N][N];
- double omega[N];
- double theta[N];
- double sigma[N];
- int RandomI(int min, int max)
- {
- return ((double)rand() / (RAND_MAX - 1)) * (max - min) + min;
- }
- double RandomD(double min, double max)
- {
- return ((double)rand() / RAND_MAX) * (max - min) + min;
- }
- double kuramoto(int i, double theta[N])
- {
- double sum = 0;
- for (int j = 0; j < N; j++)
- {
- sum += A[i][j] * sin(theta[j] - theta[i]);
- }
- return omega[i] + (double)sigma[i] * sum;
- }
- void RungeKutta(double dt, double theta[N], double theta_next[N])
- {
- double k[N][4];
- // k1
- for (int i = 0; i < N; i++)
- k[i][0] = kuramoto(i, theta) * dt;
- double theta_k1[N];
- for (int i = 0; i < N; i++)
- theta_k1[i] = theta[i] + k[i][0] / 2;
- // k2
- for (int i = 0; i < N; i++)
- k[i][1] = kuramoto(i, theta_k1) * dt;
- double theta_k2[N];
- for (int i = 0; i < N; i++)
- theta_k2[i] = theta[i] + k[i][1] / 2;
- // k3
- for (int i = 0; i < N; i++)
- k[i][2] = kuramoto(i, theta_k2) * dt;
- double theta_k3[N];
- for (int i = 0; i < N; i++)
- theta_k3[i] = theta[i] + k[i][2] / 2;
- // k4
- for (int i = 0; i < N; i++)
- k[i][3] = kuramoto(i, theta_k3) * dt;
- for (int i = 0; i < N; i++)
- theta_next[i] = theta[i] + (k[i][0] + 2 * k[i][1] + 2 * k[i][2] + k[i][3]) / 6;
- }
- void CopyArray(double source[N], double target[N])
- {
- for (int i = 0; i < N; i++)
- target[i] = source[i];
- }
- bool CheckSameLine(int i, int j)
- {
- return i / WireWidth == j / WireWidth;
- }
- bool IsWireNeighbors(int i, int j)
- {
- if (CheckSameLine(i, j) && (i == j - 1 || i == j + 1))
- return true;
- if (i == j - WireWidth || i == j + WireWidth)
- return true;
- return false;
- }
- void FillWireMatrix()
- {
- for (int i = 0; i < NHalf; i++)
- {
- for (int j = 0; j < NHalf; j++)
- {
- if (i == j)
- {
- A[i][j] = 0;
- continue;
- }
- if (i > j)
- {
- A[i][j] = A[j][i];
- continue;
- }
- A[i][j] = IsWireNeighbors(i, j) ? 1 : 0;
- }
- }
- }
- void FillRandomMatrix()
- {
- for (int k = 0; k < N; k++)
- {
- int i, j;
- do
- {
- i = RandomI(NHalf, N);
- j = RandomI(NHalf, N);
- } while (i == j);
- A[i][j] = 1;
- A[j][i] = 1;
- }
- }
- void Connect(int i, int j)
- {
- A[i][j] = 1;
- A[j][i] = 1;
- }
- void FillLayerConnectionMatrix()
- {
- //int min = 0;
- //int max = NHalf;
- //int layerOffset = NHalf;
- int min = NHalf;
- int max = N;
- int layerOffset = -NHalf;
- for (int i = min; i < max; i++)
- {
- int nextLayerIndex = i + layerOffset;
- Connect(i, nextLayerIndex);
- int leftIndex = i - 1;
- if (leftIndex >= min && CheckSameLine(leftIndex, i))
- Connect(leftIndex, nextLayerIndex);
- int rightIndex = i + 1;
- if (rightIndex < max && CheckSameLine(rightIndex, i))
- Connect(rightIndex, nextLayerIndex);
- int upIndex = i - WireWidth;
- if (upIndex >= min)
- Connect(upIndex, nextLayerIndex);
- int downIndex = i + WireWidth;
- if (downIndex < max)
- Connect(downIndex, nextLayerIndex);
- }
- }
- int main()
- {
- srand(time(NULL));
- for (int i = 0; i < N / 2; i++)
- omega[i] = RandomD(omega_rand_glial_min, omega_rand_glial_max);
- for (int i = N / 2; i < N; i++)
- omega[i] = RandomD(omega_rand_neuron_min, omega_rand_neuron_max);
- for (int i = 0; i < N / 2; i++)
- sigma[i] = 1.900;
- for (int i = N / 2; i < N; i++)
- sigma[i] = 1.900;
- for (int i = 0; i < N; i++)
- theta[i] = RandomD(theta_rand_min, theta_rand_max);
- FILE *fp0;
- fp0 = fopen("A.txt", "w+");
- FillWireMatrix();
- FillRandomMatrix();
- //FillLayerConnectionMatrix();
- for (int i = 0; i < N; i++)
- {
- for (int j = 0; j < N; j++)
- {
- /*printf("i: %d\n", i);
- printf("j: %d\n", j);
- printf("A: %d\n", A[i][j]);*/
- fprintf(fp0, "%d\t", (int)A[i][j]);
- }
- fprintf(fp0, "\n");
- }
- fclose(fp0);
- //Пишем в файл число связей у каждого осциллятора в четвертом квадранте
- FILE *fp3;
- fp3 = fopen("links.txt", "w+");
- for (int i = NHalf; i < N; i++)
- {
- int links_count = 0;
- for (int j = NHalf; j < N; j++)
- {
- if (A[i][j] == 1)
- {
- links_count++;
- }
- }
- fprintf(fp3, "%d\n", (int)links_count);
- }
- fclose(fp3);
- const double t_start = 0;
- const double t_max = 10; //2000
- const double dt = 0.05; //0.05
- double t = t_start;
- FILE *fp1;
- fp1 = fopen("omega.txt", "w+");
- for (int i = 0; i < N; i++)
- {
- fprintf(fp1, "%f\n", omega[i]);
- }
- fclose(fp1);
- FILE *fp2;
- fp2 = fopen("results.txt", "w+");
- //setlocale(LC_NUMERIC, "French_Canada.1252");
- clock_t start_rk4, end_rk4;
- start_rk4 = clock();
- while (t < t_max + dt)
- {
- fprintf(fp2, "%f\t", t);
- for (int i = 0; i < N; i++)
- {
- fprintf(fp2, i == N - 1 ? "%f" : "%f\t", theta[i]);
- }
- fprintf(fp2, "\n");
- double theta_next[N];
- RungeKutta(dt, theta, theta_next);
- CopyArray(theta_next, theta);
- t += dt;
- printf("Progress: %d%%\n", (int)(100 * (t - t_start) / (t_max - t_start)));
- }
- end_rk4 = clock();
- double extime_rk4 = (double)(end_rk4 - start_rk4) / CLOCKS_PER_SEC;
- printf("\nExecution time is %f seconds\n ", extime_rk4);
- fclose(fp2);
- }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement