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数学计算 When working with mathematical simulations or engineering problems, it is not unusual to handle curv
When working with mathematical simulations or engineering problems, it is not unusual to handle curves that contains thousands of points. Usually, displaying all the points is not useful, a number of them will be rendered on the same pixel since the screen precision is finite. Hence, you use a lot o ...
matlab例程 局部线性嵌入法
局部线性嵌入法，用于数据降维
.lle.m -- A simple matlab routine to perform LLE.
.scurve.m -- Code to run the "s-curve" example.
.swissroll.m -- Code to run the "swiss roll" example.
matlab例程 im2dat.m is used to convert images to data which can be plotted using the standard MATLAB functions.
im2dat.m is used to convert images to data which can be plotted using the standard MATLAB functions. This is very handy if you have plots on hardcopy and you want to convert them into data that MATLAB can use. The scanned image can be analysed by this function and the output will allow you to perfor ...
Java编程 What I am trying to introduce here is a full fledged Java Instant messenger, which has all the featu
What I am trying to introduce here is a full fledged Java Instant messenger, which has all the features supplied by commercial messengers like Yahoo or MSN. Although it cannot compared to be in par with those messengers, it is an attempt by me to learn Advanced Java and JNI concepts. The challenges ...
文件格式 如果数据库系统（ database systems）像受人尊敬的智者讲述的条理清晰的故事
如果数据库系统（ database systems）像受人尊敬的智者讲述的条理清晰的故事，那么工作流（workflow）就像一群乳臭未干的小子在大谈各自的“哲理”。之所以这样讲，我是想指出，工作流系统 （workflow management systems）还处于技术发展曲线（ technology hype curve ）上的初级阶段。在这个领域我们将面临一个激动人心的 ...
matlab例程 Basic function to locate and measure the positive peaks in a noisy data sets. Detects peaks by loo
Basic function to locate and measure the positive peaks in a noisy
data sets. Detects peaks by looking for downward zero-crossings
in the smoothed third derivative that exceed SlopeThreshold
and peak amplitudes that exceed AmpThreshold. Determines,
position, height, and approximate width of e ...