garbage

Author: GuyPozner

chapters/FFT/res/FT_example.png

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+#include <stdio.h>
+
+
+
+#define n_rows 3
+#define n_cols 3
+
+/*Prints a matrix in a nice way*/
+void print_matrix(double matrix[n_rows][n_cols]){
+	int i;
+	int j;
+	for(i = 0; i < n_rows; i++){
+		for(j = 0; j < n_cols; j++)
+			printf(" %0.1f ", matrix[i][j]);
+		printf("\n");
+	}
+}
+
+int find_col_max_ind(double matrix[n_rows][n_cols], int column){
+	int i;
+	int max_ind = 0;
+	int max = matrix[0][column - 1];
+
+	for(i = 1; i < n_rows; i++){
+		if(matrix[i][column - 1] > max){
+			max = matrix[i][column - 1];
+			max_ind = i;
+		}
+	}
+	return max_ind;
+}
+
+void swap_rows(double matrix[n_rows][n_cols], int row_ind1, int row_ind2){
+	double tmp;
+	int i;
+
+	for(i = 0; i < n_cols; i++){
+		tmp = matrix[row_ind1][i];
+		matrix[row_ind1][i] = matrix[row_ind2][i];
+		matrix[row_ind2][i] = tmp;
+	}
+}
+
+void gaussian_elimination(double matrix[n_rows][n_cols]){
+}
+
+int main(){
+	double matrix[n_rows][n_cols] = {{1, 2, 3},
+						 {4, 5, 6},
+						 {7, 8, 9}};
+
+	print_matrix(matrix);
+	printf("\n%d", find_col_max_ind(matrix, 1));
+	swap_rows(matrix, 0, 2);
+	printf("\n");
+	print_matrix(matrix);
+
+	return 0;
+}
+

chapters/FFT/res/butterfly_diagram.png

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+	<dict>
+		<key>CFBundleDevelopmentRegion</key>
+		<string>English</string>
+		<key>CFBundleIdentifier</key>
+		<string>com.apple.xcode.dsym.gaussian_elimination</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundlePackageType</key>
+		<string>dSYM</string>
+		<key>CFBundleSignature</key>
+		<string>????</string>
+		<key>CFBundleShortVersionString</key>
+		<string>1.0</string>
+		<key>CFBundleVersion</key>
+		<string>1</string>
+	</dict>
+</plist>