夹具设计涉及到数值计算,图形绘制等一些算法问题。
Many algorithm are related to the design of the clamping fixture, such as numerical calculation and drawing practice etc.
为了构造有效的数值方法,首先要考虑到数值方法的收敛性和稳定性。
Convergence and stability need to be considered before developing efficient numerical methods.
为了准确地预测铝合金板材成形极限,将韧性断裂准则引入到数值模拟中。
To accurately predict the forming limit in aluminum alloy sheet forming, ductile fracture criterion is introduced into numerical simulation.
All velocities I see you will add a certain number to get the velocities according to you.
而我观察到的速度,你也要给它加上某个数值,来得到你观察到的速度
When the uncertainty gets that big, you don't know which came first.
当不确定度到那么大的数值时,你不知道谁是第一个到达的。
Then, once we did that we could plug that into the formula that I gave you last time and get the standard deviation of the portfolio and the expected return on the portfolio.
再将估算出的数值代入到,上节课给你们的公式中,就能得到资产投资组合的标准差,和该投资组合的预期收益率
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