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KSSV


Last seen: Today|Active since 2011

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https://sites.google.com/site/kolukulasivasrinivas/
Professional Interests: Mathematical Computing

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Answered
2-D colormap（加载.txt文件）
path ='kx values \*。txt';文件= dir（path）;n =长度（文件）;数据=单元格（n，1）;对于i = 1：n file = fullf ...

16 hours ago | 0

Answered
使用Vertcat进行不同长度的单元格数
% Make dummy data for demo A = cell(3,2) ; for i = 1:3 for j = 1:2 N = randperm(10,1) ; A{i,j} = ran...

16 hours ago | 1

Answered
绘制巨大矩阵的内容。
您不必在循环中使用散射。您可以一口气使用散布来完成所有操作，也可以使用pcolor，如下所示。x = li ...

6天前|0

|公认

Answered
How to arrange this code to run
D0 = [0,0];v0 = [2,3];A0 = [0,0];dt = 1e-3;n = 9001;mass = @（d，v，a）质量（d，v，a）;damping = @（d，v，a）阻尼（d，v，...

6天前|0

Answered
如何在条形图上添加数字？
A = rand(3,1) ; h = bar(A) ; text(h.XData,h.YData+0.05,num2str(A)) ;

6天前|0

Answered
向前的Euler方法错误
The loop should be taken as: for i = 1:round(N) In your present case, it is a fraction and you are getting non integers as the...

6天前|0

Answered
Obtain coordinate of a vector or multivalued function
It should be v(i) not v[i]. Read about MATLAB indexing. f=@(a,b,c,d) [a.^2-b+c+d,a-b.^2+c+d.^3,a.*b.*c.*d,a-b-c-d]; % anonymou...

6天前|0

Answered
Filter an image to obtain certain pixels and retrieve their original [row,col]?
idx = find(Img>0) ; [row,col] = ind2sub(size(Img),idx) ;

6天前|1

Answered
我如何在matlab上表示这个方程式
将示例扩展到您的案例。n = 100;t = linspace（0,4，n）;x = 2*sin（3*pi*t）;情节（t，x）

6天前|0

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Answered
Plotting meteorological data on Geographic maps
您可以在此处下载形状文件：https：//gadm.org/download_country.html读取形状文件，使用shaperead。你可以...

6天前|0

Answered
计数给定半径内的颗粒数
阅读有关Knnsearch，Rangesearch和Inpolygon的信息。

7天前|0

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Answered
Delete rows with zero after importing several files
If you want to remove rows which have zeros in specific columns do: c = 2; % column to check for zero idx = Ratio(:,c)==0 ; ...

7天前|0

Answered
Error saying matrices are not the same size
I think the loop should be something like this: for i = 2:length(t)-1; w(i,:) = w(i-1,:)+h*f(t(i),w(i-1,:)) ; end In yo...

7天前|0

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Answered
如何使用公式创建条形图并将NAN在Import Excel中？
阅读有关填充的信息。您可以使用该功能填充空白/ NAN。

7天前|0

Answered
excel文件中存储的加速数据的FFT
To load the data use readtable To get fft read about fft.

8天前|0

Answered
Find the position matrix of boundary points in an image
You can do it manually using getpts, ginput. Read about these functions. If you want to do it automatically, you can get the whi...

8天前|0

Answered
如何在3-D冲浪图上找到特定y值的值？
阅读有关切片的信息。另外，您可以找到所需点的索引并提取所需的值。

8天前|0

Answered
How to choose surface point in 3D plot
REad about delaunaytraingulation, once mesh is formed you can use patch or trisurf. If you could do fine, else attach your data....

9 days ago | 0

Answered
您什么时候与操作员一起使用期间？
如果您正在执行标量操作，则不需要周期。a = rand;b = rand;a*b a^b如果您正在做数组ope ...

9 days ago | 0

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Answered
Plotting 4D surface plot (x,y,z and one is colour bar)
A = [-0.5788245 0.30687669 0.22984767 0.22355179 -0.1582685 0.29329778 0.24892007 0.22159881 -0.6557496 0.308436399 0.22769311...

9 days ago | 0

Answered
计算与地理点的距离
USe Haversine's formula: Let (lon1,lat1) and (lon2,lat2) be your coordinates in degrees. % Haversine formula dlon = lon2 - l...

9 days ago | 1

Answered
如果没有原始数据，如何将曲线（在图中）乘以-1？（我只有绘制的数据。）
https://in.mathworks.com/matlabcentral/answers/383567-how-to-tocract--xtract-x-y-x-y-data-values-from-matlab-figure-figure https：//in.mathworks.c ...

9 days ago | 0

Answered
intensity plot x-y plane
Read about pcolor, surf. Your code is a mess, it needs lot of changes. You shoul dinitialize the arrays which are getting fi...

10days ago | 0

Answered
命令或如何获得具有给定未知系数的多项式的最佳真实根。
syms x a b c d e p = a*x^4+b*x^3+c*x^2+d*x+e==0 s = solve(p,x)

10days ago | 0

Answered
每次循环迭代后更新变量
generated_word='matlabcommunity' ; newChr=[]; promt = cell(length(generated_word),1) ; for i=1:length(generated_word) ...

10days ago | 0

Answered
给定矩阵，如何将矩阵切成矩阵，给定输入参数是行数和列数？请参见示例。
阅读有关Mat2Cell的信息。Origimgmatrix = [2 4 6 8 9 2 3 4 1 4 9 8 3 9 1 4]; ...

12天前|0

Answered
可变数据的最佳拟合曲线
% data x = [1.0779 1.2727 1.4700 1.5766 1.6471 1.7396 1.7828 1.8208 1.8370]' ; y = [7.9511 9.8400 ...

12天前|1

Answered
Plot only a part of the histogram
阅读有关Xlim的信息。xlim（[ - 0.1 0.1]）

12天前|0

|公认

Answered
通过循环和if语句制作向量
If you want to store the index: y = zeros([],1) ; u=length(Datatest.Timehhmm); count = 0 ; for i=1:u z= Datates...

12天前|0

Answered
Error on plotting (Index in position 1 exceeds array bounds. Index must not exceed 51.)
Simply try: surf(T_n)

13 days ago | 1

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