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FastFourierTransformAlgorithm
- This program is open source code of fast Fourier transform in matlab. Where y is the input argument and p is the normalized size of the input. Let y = [1 2 3 4 ] x= length(y) m= log2(x) p= ceil(m) To call the function use ft2(y,p
ROIDraw
- 兴趣区域选取，扩展兴趣区选取的功能，不必局限于圆形或方形轮廓落形态-Most ROI Drawing Tools limit you to either drawing a circular ROI or a rectangular ROI perpendicular to the X-Y axis. ROI Draw s primary purpose is to expand upon the drawing of rectangular ROI s by allowing you to d
fast_sc.tgz
- This a source code for sparse coding algorithm: Reference: Efficient sparse coding algorithms Honglak Lee, Alexis Battle, Raina Rajat and Andrew Y. Ng. In NIPS 19, 2007. -This is a source code for sparse coding algorithm: Reference
CordFitIdeal
- 坐标转换：已知n个点在a,b两坐标系中的坐标值，采用优化方法求转换关系（标准的7参数转换关系，x,y,z的移动，x,y,z的旋转，以及缩放系数）ps:附带空间旋转公式。input: points in A and B。 output：transfer relationship （u,v,w: shit of x,y,z。 a,b,g: rotate of x,y,z 。k：zoom）-Coordinate Transfer:A,B are tow coordinates. This progra
My_NRflow
- 各个子文件介绍！！ 1.powerflow(主程序) 2.y(节点导纳矩阵) 3. run_NR (利用NR法计算潮流) 4. openfile (打开文件) 5. printY (显示Y矩阵) 6. newnode (节点重新编号) 7. Renode (还原节点) 8. form_jac (求取j矩阵) 9. dPQ (求取有功无功不平衡量) 10. PowerResult（计算节点电压相角） 11. PowerLosses（计算支路性息）
EKF_filter
- 经典的EFK雷达测量模型 构造数据为雷达采样数据，距离、俯仰角、方向角。 假设目标匀速直线运动，CV模型 状态变量用x，y，z，以及各自的导数 -EFK classic measurements of radar data for modeling radar sampling data, distance, pitch angle, direction angle. Goal of uniform linear motion assumption, CV model with
VirtualRobot4DegreeofFreedom
- Robot displays work volume, having flexibility of screen rotation, specification of degree of freedom, shows x y z coordinates of end point of robot arm etc.
rigid_motion
- 刚性位置变化计算，输入物体在空间坐标系中的坐标，以及旋转向量和平移向量，计算其在摄像机坐标系中的坐标。- [Y,dYdom,dYdT] = rigid_motion(X,om,T) Computes the rigid motion transformation Y = R*X+T, where R = rodrigues(om). INPUT: X: 3D structure in the world coordinate frame (3xN matrix for
segy
- 读写取美国地球物理协会标准SEG-Y格式数据，用于石油地球物理勘探的数据交换-it can read and write SEG Y format seismic data, this format is used for seismic data exchange
chap04
- matlab实例clearN=100f=zeros(50,50) f(15:35,23:28)=1 figure(1)imshow(f, notruesize )F=fft2(f,N,N) F2=fftshift(abs(F)) figure(2)x=1:N y=1:N mesh(x,y,F2(x,y)) colormap(gray) colorbar-matlab
13-7
- 计算电流环产生的磁场分布实例，电流环在y-z平面上，环心过原点O，半径RH，通过电流I0，Z=0处x-y平面上的磁场分布-Calculate the distribution of the magnetic field produced by current loop example, the current ring in the yz plane, ring heart through the origin O, the radius RH, by current I0, Z = 0 Chu
MLP_sin
- MLP graph input-output mapping with inputs x and outputs y generated by the following nonlinear,
leastsquareellipse
- 至少输入五个点，得到最小二乘模拟椭圆，最后得到椭圆左右焦点以及主轴与x轴夹角等具体参数-[Xc,Yc,A,B,Phi,P]=ELLIPSEFIT(X,Y) finds the least squares ellipse that best fits the data in X and Y. X and Y must have at least 5 data points. Xc and Yc are the x- and y-axis center of the ellipse re
skyplot
- SKYPLOT for a given receiver position Y=skyplot(X,PRN,C,O) draws the skyplot for the receiver position. The required inputdata for the calculation of the skyplot X is N-by-3*M matrix, where N are the timesteps and M is the number of the Sat
Billiard
- Descr iption: This Program Performs the following: (1) Animates the movement of a Billiard Ball on a table that has a surface friction (mu) and coefficient of restitution (e) for the sides and saves it as an AVI file. (2) Outputs series of row
polyarea
- matlab计算任意多边形面积POLYAREA(X,Y)-POLYAREA(X,Y) returns the area of the polygon specified by the vertices in the vectors X and Y.
gridfit
- 该函数用于二维曲面拟合，能拟合出f=（x，y）的函数图形。-Gridfit is a surface modeling tool, fitting a surface of the form z(x,y) to scattered (or regular) data. As it is not an interpolant, it allows the existence of replicates in your data with no problems.
exer5
- 回归分析 考察温度x对产量y的影响 测得下列10组数据 求y关于x的线性回归方程 检验回归效果是否显著 并预测x=42℃时产量的估值及预测区间-Regression analysis, study the temperature on the yield y of x measured by the following 10 sets of data demand y on x, the linear regression equation of the regression effect is
Qplot
- 交互式的matlab plot绘图工具,绘制二维三维图形.-QPLOT interactive ploting program Qplot opens a standadr MATLAB figure with three options added to the menu bar: Qfile, Qoptions and Qgraph. Under Qfile you can read data files (text or Excel). Under Qoptions you can
attachments_2009_11_03
- Y-bus formation. file contains matlab code for formation of bus admittance matrix