将四象限和八象限推广到任意维数是正交的。
The generalization of the quadrant and octant to arbitrary number of dimensions is the orthant.
利用维数可变的 C++建模数组
数据挖掘所面临的挑战在于数据的维数及其容量。
The challenge of data mining is dealing with the dimensionality of the data and the volume of it.
分形维数是描述图像粗糙程度的主要参数。
Fractal dimension is an important parameter to characterize roughness in an image.
本文提出了一种新的计算分形维数的方法。
In this dissertation, a new computation method of fractal dimension has been presented.
获取当前剪切边界周围最紧绑定矩形的维数。
Retrieves the dimensions of the tightest bounding rectangle around the current clipping boundary.
必须指定数组维数,并且它们必须为正的整型常量来表示。
The array dimensions must be specified and they must be positive constant integer expressions.
特征选择和特征抽取是维数约简常用的两种方法。
Feature selection and feature extraction are common methods for dimensionality reduction.
不然,您得到的是第一维的和,并生成一个降低了维数的新数组。
Otherwise, you add along the primary dimension, producing an new array of reduced dimension. For example.
拖拽并选择你想要裁剪的区域,它就会自动告诉你选择的像素维数。
Drag and select the area you want to crop, and it'll automatically tell you the pixel dimensions of the selection.
该模板将确定窗体或报表上有哪些节并定义每一节的维数。
The template determines which sections a form or report will have and defines each section's dimensions.
这可极大改善从一个或多个集群维数限定并选择数据的那些查询的性能。
This can greatly improve the performance of queries that constrain and select data along one or multiple clustering dimensions.
在索引显示的弹出菜单中选择移除维可以移除不需要的维数。
Remove unwanted dimensions by selecting Remove dimension from the index display's pop-up menu.
然后,通过分形维数计算车辆的纹理特征,排除非车辆区域。
Second, the no-vehicle regions are filtered by texture feature of AOI based on DBC.
因此在数据挖掘界广为流行着一个名词——‘维数灾难’”文卡如是说道。
So one expression common in the data mining community is 'the curse of dimensionality,'" says Venkatasubramanian.
这个理论指出,大爆炸后的早期宇宙,充满了高能量,反而有较少的维数。
The theory also suggests that space has fewer dimensions at very high energies of the kind associated with the early, post-big bang universe.
给数据汇命名,并使用默认的维数(稍后您可以忽略这些维数)。
Name the data pool, and use the default dimensions (you will override these dimensions later).
盒维数的简单统计结果可以作为PQ神经网络分类器的输入特征量。
After simple statistics, the dimension can act as the input vector of ANN for PQ classification.
在文本分类中,有效的维数约简可以提高学习任务的效率和分类性能。
Effective dimensionality reduction could make the learning task more efficient and more accurate in text classification.
计算质量可看成二重或三重积分,这取决于空间维数,取决于密度函数,dA还是。
And mass will be double or triple integral, depending on how many dimensions you have, dV of whatever density function you have, dA or dV.
文摘:以土壤颗粒组成数据为基础,分析了我国土壤颗粒组成的分形维数。
Abstract: This paper analyzed the fractal features of particle size distribution (PSD) of soils in China.
论述了带反馈分布式信息融合系统中传感器观测维数不同时的状态估计方法。
The method of state estimation is discussed, when radars have different observation dimension in one distributed data fusion system with feedback.
该方法利用数据融合技术降低了模糊控制器的输入维数,简化了模糊控制器的设计。
It reduces the input dimension of the controller using data fusion technique and simplifies the fuzzy controller's design.
我们所处的宇宙是否可能只是漂浮在更高维数空间上的一层薄膜,它反复地撞击到邻近的宇宙。
Could our universe be a membrane floating in higher dimensional space, repeatedly smashing into a neighbouring universe?
增加一个数组的维数时,该数组所需的总存储空间会急剧增大,因此应慎用多维数组。
When you add dimensions to an array, the total storage needed by the array increases considerably, so use multidimensional arrays with care.
在实数域分形盒维数计算方法的基础上,提出了双金字塔数据形式的盒维数快速计算方法。
In this paper, a fast approach for box dimension estimation based on a dual pyramid data structure is developed.
通过主成分分析法将众多指标进行综合,消除样本间的信息重叠,降低BP网络的输入维数。
Through principal component analysis, we have synthesized numerous indexes, (eliminated) information overlapping of the sample, and reduced the input dimension of BP network.
属性约简是数据挖掘预处理中非常重要的一步,它通过减少信息的维数提高数据挖掘算法的效率。
Attribute reduction is one of important step in preprocessing of data mining, it improves the efficiency of the data mining algorithm by reducing the dimensions of the information.
属性约简是数据挖掘预处理中非常重要的一步,它通过减少信息的维数提高数据挖掘算法的效率。
Attribute reduction is one of important step in preprocessing of data mining, it improves the efficiency of the data mining algorithm by reducing the dimensions of the information.
应用推荐