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# KSSV

### INCOIS

6.471 total contributions since 2011

Professional Interests: Mathematical Computing

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how to use dlmwrite for excel sheet has three columns
T = readtable('myexcelfile.xlsx') ; writetable(T,'out.dat') ;

12 Tage ago | 0

How to code this avarage gradient equation in matlab?
Let F be your matrix. [dfdx,dfdy] = gradient(f) ; M = (dfdx.^2+dfdy.^2)/2 ; AG = mean(mean(M)) ; I gave answer quckly....

12 Tage ago | 0

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Multiple input values for same function and plot them?
A = [10 20 30 405 50] ; th = linspace(0,2*pi) ; X = zeros(length(A),length(th)) ; for i = 1:length(A) X(i,:) = A(i)*sin(...

12 Tage ago | 0

Error using patch - Non-numeric data is not supported in 'patch'. While using Plotcube
width = 1 ; length = 1 ; height = 1 ; plotcube([width length height],[ 0 0 0 ],1,[1 0 0]);

12 Tage ago | 0

How can I get the angle between centroid of a binary object and a point on it's boundary?
Get the centorid of the image by using mean. So I assume you know all the points A,B,C,D and O. You have (x,y) in hand. If you w...

14 Tage ago | 0

Fitting the data without using curve fitting tool
YOu can use polyfit. p = polyfit(t,z(:,32),3) ; zi = polyval(p,t) ;

19 Tage ago | 0

Coloring with coordinates.
x_data = [3/8 4 8 16 30 50 100]; uppery = [100 100 100 85 60 30 10]; lowery = [100 95 80 50 25 5 0]; x = [x_data fliplr(...

20 Tage ago | 0

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how to solve 'Error using | Matrix dimensions must agree. ' ?
clc; clear all; T=0:0.001:0.07; size(T); cm=1.; lo=-3.545-0.833*log(100*cm)-(9601.-2368.*log(100.*cm))./(T-195.7-32.25*log(1...

21 Tage ago | 0

Saving geotiff using geotiffwrite

22 Tage ago | 0

How to compute several results from incremental input values using loops?
x0 = 32 ; dx = 0.2 ; N = 20 ; % iterations needed for i = 1:N x = x0+(i-1)*dx ; end YOu can avoid for loop using: ...

22 Tage ago | 0

How to rename a cell into Table
Multiple ways. One way would be, convert the cell tinto table T using cell2table and rename the columns you want by T.Proper...

22 Tage ago | 0

How to use imagesc in a time loop?
for time = 1:timeSteps newMatrix = GenerateNewMatrix(matrix,probability); matrix = newMatrix; hAxes = gca; im...

25 Tage ago | 0

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manipulation attribute between two matrices inside loop
If you are new to MATLAB, read about basics of MATLAB. Read about matrix indexing and loops. MM = rand(40,10) ; MMM = rand(4...

25 Tage ago | 0

Please help me to understand Error "The expression to the left of the equals sign is not a valid target for an assignment.
A(1:4) = rand(1,5) ; The above will throw error. Becuase A is intialized as 1X4, we are trying to replace it with 1X5.

27 Tage ago | 0

How to add values in the array in matlab?

27 Tage ago | 0

how to find connected neighbors?
If you know the location of the pixel..uou can use knnsearch or rangeseach. YOu can also search in mathworks, this question has ...

27 Tage ago | 0

How to Plot in specific interval

27 Tage ago | 0

how can I plot this function ?
Read about matlab element by element operations: R1=1000 %Ohm% C1=0.000000032;%F% R2=1000 %Ohm% C2=0.000000032;%F% x=lin...

28 Tage ago | 0

Contour plot using three vectors
It depends on how is your data. Is your data a structured data or a unstructured data? YOu have the following options. Let (x,y,...

28 Tage ago | 1

Anonymous function outputs to table
q = 0:0.01:0.25 ; doublingtime = @(q) log(2)./log(1+q); dt = doublingtime(q); T = table(q,dt)

29 Tage ago | 1

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i need to convert below batrix to another matrix
b=[308 -1 2 3 -1 2 -1; -1 -1 2 1 0 1 0; 1 2 -1 -1 -1 -1 2; 0 0 1 -1 -1 2 -1]; % Get positive co...

etwa ein Monat ago | 0

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Finding closest coordinates and rearranging order to match

etwa ein Monat ago | 0

use matlab to plot fft from excel sheet
It looks like there is no variable name A2 in the table. Try using: T.(1), T.(2) etc...or check the variablenames by printing...

etwa ein Monat ago | 0

How to divide an image into different shapes?
doc imcrop doc impoly doc imfreehand YOu can also define your locations in the shape you want......use inpoly and pick only i...

etwa ein Monat ago | 0

How can we read specific rows from an excel file in matlab?

etwa ein Monat ago | 0

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Help with inverse logarithm
Read about element by element operations in matlab. % Solve for life using SWT equations for a, b, and c. Sa = 220; % Stres...

etwa ein Monat ago | 0

Making a Function with output only, no input
Run / call the function by typing as below in the command window. [x,y] = getData() ;

etwa ein Monat ago | 0

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How can I turn vector to scalar?
x = 10:10:70 ; % this will generate [10,20,..70] ; sumx = sum(x) ; % this will give you sum of array Also you can call eac...

etwa ein Monat ago | 0