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% -- 计算 抛物线 形渠道的 临界水深计算clc; clear allbeta=0.001:0.01:10; % 无量纲参数的取值范围 β=αQ/b^2.5;g=9.81; % 重力加速度Mk=8*(1/g*beta.^2).^(1/3); hk025=0.207*(Mk).^0.7704; % 单位 m；plot(beta,hk025,'b-','linewidth',2); hold on axis([0.001,3,0.01,1]) xlabel('无量纲.

% -- 计算梯形渠道的 临界水深计算clc; clear allbeta=0.01:0.01:1000; % 无量纲参数的取值范围 β=αQ/b^2.5;g=9.81; % 重力加速度 % plot(lam,entak0,'k-','linewidth',2); hold on% 迭代一次% plot(lam,entak1,'r-','linewidth',2); hold on % 当 m=0 时； 矩形hk00=(1/g*beta.^2).^(1/3);plot(beta.

% -- 计算 三角形 形渠道的 临界水深计算clc; clear allbeta=0.01:0.01:1000; % 无量纲参数的取值范围 β=αQ/b^2.5;g=9.81; % 重力加速度 Q=beta*g^0.5; % 当 m=0.5 时； m=0.5;hk05=(2*beta.^2/m/m).^0.2; % 单位 m；plot(Q,hk05,'k-','linewidth',2); hold on % 当 m=1 时； m=1;hk10=(2*beta.^2/m/.

% -- 计算 抛物线 形渠道的 临界水深计算clc; clear allbeta=0.01:0.01:1000; % 无量纲参数的取值范围 β=αQ/b^2.5;g=9.81; % 重力加速度 Q=beta*g^0.5; % 当 m=0.5 时； m=0.25;hk025=(27/64*beta.^2/m).^0.25; % 单位 m；plot(Q,hk025,'b-','linewidth',2); hold on % 当 m=0.5 时； m=0.5;hk05=(.

% -- 计算 抛物线 形渠道的 正常水深计算clc; clear allM0=0.001:0.01:8; % 无量纲参数的取值范围 β=αQ/b^2.5;g=9.81; % 重力加速度h0=(0.0104+0.3356*M0) ./(1+0.3732*M0-0.0962*M0.^2); beta=(M0/(2^2.6)).^(1/0.6); plot(beta,h0,'b-','linewidth',2); hold on axis([0.001,0.4,0.01,1]).

% -- 计算梯形渠道的 正常水深计算clc; clear allh0=0.001:0.01:20; % 无量纲参数的取值范围 β=αQ/b^2.5;g=9.81; % 重力加速度 % plot(lam,entak0,'k-','linewidth',2); hold on% 迭代一次% plot(lam,entak1,'r-','linewidth',2); hold on % 当 m=0 时； 矩形beta=h0.^(5/3)./(1+2*h0).^(2/3) ;plot(.

具体原理及定义：传送门https://en.wikipedia.org/wiki/Density_estimationMATLAB 代码实现如下： 1 % Kernel Density Estimation 2 % 只能处理正半轴密度 3 function [t, y_true, tt, y_KDE] = KernelDensityEstimation(x) 4 % clear 5 6 % x = px_last; 7 % x = px_last_tu; 8 %% 9 %参数初.

% make the cheatsheet for matlab% by : Peijinclear;clc;close allvis_ax = 'on';ftsz=0.85;fig_size = 800;fig_0 = figure('color','w','position',[0, 0, fig_size*1.414,fig_size]);set(fig_0,'renderer','Painters')% mainax_header = axes('position',[0...

Plotting program x = 1:1:10000; x1 = CumHOH_jaar_rot_orig; y1 = Levels_orig; x2 = PDF; y2 = v; hold on hl1 = scatter(x1,y1,'.r'); hold on; ax1 = gca; set(ax1,'XColor','k','YColor','k') ax2 = axes('Position',get(ax1,'Position'),'XAxisLocatio.

clear all; clc; figure(1), clf; data = load('waterstand_HOH.txt'); % loading water levels afmeting = size(data); som = afmeting(:,1); % size of the dataset replace = true; % Bootstrap with replacing jaar = 98; % Numbe.

ax1.XAxis.MinorTick='on';ax1.XAxis.MinorTickValues=[256789];

worldmap worldload coastlineswhos[latcells, loncells] = polysplit(coastlat, coastlon);numel(latcells)plotm(coastlat, coastlon)

h = worldmap('Europe');getm(h,'MapProjection')geoshow('landareas.shp', 'FaceColor', [0.15 0.5 0.15])geoshow('worldlakes.shp', 'FaceColor', 'cyan')geoshow('worldrivers.shp', 'Color', 'blue')geoshow('worldcities.shp', 'Marker', '.',... .

每次循环产生一个一维的矩阵，希望把每次循环产生的结果依次写入一个新矩阵中，一次结果占一行。怎样创建新矩阵？怎么实现新结果不会覆盖原来的？我是初学者，求大神指教~ a = zeros(10,5);for i = 1:10 ... a(i,:) = ...endhttp://www.ilovematlab.com/thread-269562-1-1.html...

close all;clc;clear allf=gcf;f.Color='w';%=====================这里是绘图，数据是随意的Z=6+4*rand(10,1);Y=2+8*rand(10,1);BarHandle=bar3([1:10],Z,0.7);hold onLineHandel=plot(Y,[1:10],'Color',[0 0 0],'LineWidth',1);PointHandel=plot(Y,[1:10],'o','MarkerFaceCo...

clear;clcfor k=1:1:15 %% 此处的15记得修改，15个开边界点filename=sprintf("data_%d.mat",k);load(filename);Tidal(:,k)=TimeSeries(1,:);end%%输出fid=fopen("Elevation.dat","wt");[p,q] = size(Tidal)for i=1:1:p for j=1:1:q if j==q fprintf(fi.

ncdisp('hzw_station_timeseries.nc','/', 'full');data=ncread('hzw_station_timeseries.nc','zeta');

在windows7下运行了fvcom-toolbox文件夹下fvcom_prepro里面的前处理程序的example.m。程序可以运行但是在调研write_FVCOM_river.m函数时，里面有个netcdf命令。% open boundary forcingnc = netcdf(RiverFile, 'clobber');nc.type = 'FVCOM RIVER FORCING FILE' ;nc.title = RiverInfo1;nc.info = RiverInfo2;nc.h

inpolygon True for points inside or on a polygonal region. IN = inpolygon(X,Y,XV,YV) returns a matrix IN the size of X and Y. IN(p,q) = 1 if the point (X(p,q), Y(p,q)) is either strictly inside or on the edge of the polygonal region whose verti...

>> help inpoly inpoly: Point-in-polygon testing. Determine whether a series of points lie within the bounds of a polygon in the 2D plane. General non-convex, multiply-connected polygonal regions can be handled. SHORT SYNTAX: in =...

错误使用 netcdflibNetCDF 库在执行 'defVar' 函数期间遇到错误 - 'String match to name in use (NC_ENAMEINUSE)'。出错 netcdf.defVar (line 45)varid = netcdflib('defVar', ncid, varname, xtype, dimids);

>> wrf2fvcom_U10V10错误: 文件:wrf2fvcom_U10V10.m 行:7 列:20不应为 MATLAB 表达式。修改：第七行乱入字符了，删掉就可以了。>> wrf2fvcom_U10V10未定义函数或变量 'netcdf'。出错 wrf2fvcom_U10V10 (line 18)nc = netcdf(wrf_file);修改：https://blog.youkuaiyun.com/Theo93/article/details..

错误如下：未定义函数或变量 'setup_nctoolbox'。出错 CFStoFORT22 (line 6)setup_nctoolbox