public String toString() { StringBuilder builder = new StringBuilder(); builder.append("1 x ").append(size).append(" sparse matrix, nnz = ").append(cardinality()).append('\n'); for (int i = 0; i < size; i++) { double elem = getQuick(i); if (elem != 0) { builder.append('(').append(i).append(')').append('\t').append(elem).append('\n'); } } return builder.toString(); }
public String toString() { StringBuilder builder = new StringBuilder(); builder.append("1 x ").append(size).append(" sparse matrix, nnz = ").append(cardinality()).append('\n'); for (int i = 0; i < size; i++) { double elem = getQuick(i); if (elem != 0) { builder.append('(').append(i).append(')').append('\t').append(elem).append('\n'); } } return builder.toString(); }