请问如何得到正态分布,以及为何独立? 谢谢大家了
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楼主: cyl88
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小弟请教随机积分的问题 |
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高中生 87%
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回帖推荐Chemist_MZ 发表于2楼 查看完整内容 vt is known so that this integral can be viewed as a summation of sqrt(vt)dWt, since sqrt(vt)dWt is normal, the summation of normal is also normal.
the increment of brownian motion are independent, so that 0 to t1 and t1 to t2 are independent since they are not overlapped.
best,
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