1993 年 28 巻 p. 715-720
IN THIS PAPER, I SHOW NEW POPULATION DENSITY CURVE AND NEW METHOD FOR ANALYZING CURVES. USUALLY, EXPONENTIAL CURVE AND LOGISTIC CURVE ARE USED FOR POPULATION DENSITY CURVE. BUT THESE CURVES CAN NOT EXPLAIN THE TENDENCY OF POPULATION GROWTH ENOUGH. NEW POPULATION DENSITY CURVE IS ARRIVED BY THE THOUGHT OF 2-STAGE POPULATION GROWTH. AND NEW METHOD FOR ANALYZING CURVES HAS 2 ADVANTAGES. (1)WE CAN ANALYZE CURVES EVEN IF THERE ARE 4 POINT TIME SERIES DATA. (2)NEW METHOD ENABLES US TO REGULATE DATA BY POINTS OF GROWING STAGE. USING THE DATA OF SELF-GOVERNING BODIES IN TOKYO METROPOLITAN AREA, I EXAMINE THE EFFECT OF NEW CURVE AND NEW METHOD.