Portret fazowy HGH: Jaki program najlepiej odrazu na stronie wyrysuje mi portret fazowy ukladu rownan rozniczkowych? Tylko sam obraz zadnych szczegolnych bajerów.

HGH: podbijam

Man in Black: https://www.wolframalpha.com/input/?i=vector+field+plot&assumption=%7B%22F%22%2C+%22VectorPlot%22%2C+%22vectorplotupperrange2%22%7D+-%3E%225%22&assumption=%7B%22F%22%2C+%22VectorPlot%22%2C+%22vectorplotupperrange1%22%7D+-%3E%225%22&assumption=%7B%22F%22%2C+%22VectorPlot%22%2C+%22vectorfunction%22%7D+-%3E%22%7Bx%5E2-y%2Cx*%28y%2B2%29%7D%22&assumption=%7B%22F%22%2C+%22VectorPlot%22%2C+%22vectorplotvariable1%22%7D+-%3E%22x%22&assumption=%7B%22F%22%2C+%22VectorPlot%22%2C+%22vectorplotlowerrange1%22%7D+-%3E%22-5%22&assumption=%7B%22F%22%2C+%22VectorPlot%22%2C+%22vectorplotvariable2%22%7D+-%3E%22y%22&assumption=%7B%22F%22%2C+%22VectorPlot%22%2C+%22vectorplotlowerrange2%22%7D+-%3E%22-5%22