【Mathematica】这个方程哪错了?G = 6.67*10^-11;B = 1.23*10^10;NDSolve[{m[r] m'[r]^(2/3) (2 r m''[r] - m'[r]) == 4 B/(3 G) r^(19/3) ,m[2] == 2,m[1] == 1},m[r],{r,1,2}]为什么会encounter 1/0?
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![【Mathematica】这个方程哪错了?G = 6.67*10^-11;B = 1.23*10^10;NDSolve[{m[r] m'[r]^(2/3) (2 r m''[r] - m'[r]) == 4 B/(3 G) r^(19/3) ,m[2] == 2,m[1] == 1},m[r],{r,1,2}]为什么会encounter 1/0?](/uploads/image/z/4728207-39-7.jpg?t=%E3%80%90Mathematica%E3%80%91%E8%BF%99%E4%B8%AA%E6%96%B9%E7%A8%8B%E5%93%AA%E9%94%99%E4%BA%86%3FG+%3D+6.67%2A10%5E-11%3BB+%3D+1.23%2A10%5E10%3BNDSolve%5B%7Bm%5Br%5D+m%27%5Br%5D%5E%282%2F3%29+%282+r+m%27%27%5Br%5D+-+m%27%5Br%5D%29+%3D%3D+4+B%2F%283+G%29+r%5E%2819%2F3%29+%2Cm%5B2%5D+%3D%3D+2%2Cm%5B1%5D+%3D%3D+1%7D%2Cm%5Br%5D%2C%7Br%2C1%2C2%7D%5D%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BC%9Aencounter+1%2F0%3F)
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