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madhan ravi


3.457 total contributions since 2018

Communication through MATLAB is always better than arguing.

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Answered
Error using fsurf (too many functions) but success using ezsurf
Just vectorize the function and use function handles. To learn the proper usage of the functions that get you into a dilemma is ...

alrededor de 3 horas ago | 0

| accepted

Answered
Error: Unbalanced or unexpected parenthesis or bracket
I think name is variable, it's simply (there is no need for eval): x = name(:,1); y = name(:,2); z = name(:,3);

11 días ago | 0

| accepted

Question


How to read this file in MATLAB?
I am having trouble reading the datas.

11 días ago | 2 answers | 0

2

answers

Answered
Indexing a Matrix with a for loop
for ii = 1:numel(z) % don't name variables i or j (because they are interpreted as imaginary numbers by default)

alrededor de 1 mes ago | 1

| accepted

Answered
Delete element of an array on the basis of other arrays
U = T(Y>SETT)

alrededor de 1 mes ago | 0

| accepted

Answered
How to enter this function
https://www.mathworks.com/help/matlab/learn_matlab/desktop.html

alrededor de 2 meses ago | 0

Answered
Help on text and colours
https://in.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.line-properties.html https://in.mathworks.com/help...

alrededor de 2 meses ago | 0

Answered
How can I combine all the column vectors in to one column vector
Don’t name variables , if you would have all the vectors as cells it would have been much easier. X =[x1,x2...,xn] Xmean...

alrededor de 2 meses ago | 0

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Answered
how to delete cells in a cell array, such that it has the same length as one of my other arrays
Y(1:numel(X))

alrededor de 2 meses ago | 0

| accepted

Answered
Change value of states "active" to 1 and "rest" to -1
stats.state(ismember(stats.state,'rest'),:) = '-1'; stats.state(ismember(stats.state,'active'),:)= '1'

alrededor de 2 meses ago | 0

| accepted

Answered
How to Create Vector Function File
I don’t have any suggestions on how to improve it for as for your confusion regarding the error message: In your first file E...

alrededor de 2 meses ago | 0

Answered
foor loop add function values to an empty vector
How to use for loop to store values MATLAB ? [Google search]

2 meses ago | 0

Answered
Index in position 1 exceeds array bounds (must not exceed 1)
clear all % you're probably shadowing the inbuilt function input()\fprintf() %or clear input fprintf

2 meses ago | 0

Answered
How to implement a formula involving several elements of the same vector?
https://in.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html - for better understanding peak_resolution...

2 meses ago | 1

Answered
Symbolic Toolbox Integration Error
You probably have a variable named int, clear that workspace using: clear int %or clear all

2 meses ago | 1

| accepted

Answered
How to get the index of a value in a table?
index = find(TABLE{:,:}==specific_value) %or [~,index] = ismember(specific_value,TABLE{:,:}) If you're dealing with decimals ...

2 meses ago | 0

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Answered
Count in a loop
N = 100; % no loops needed p_x= -1+(1+1)*rand(N,1); p_y= -1+(1+1)*rand(N,1); p = sqrt(p_x.^2 + p_y.^2); fprintf('N...

2 meses ago | 1

Answered
How to use cellstr() without losing whitespace character?
Wanted = num2cell(your_char_array,2)

2 meses ago | 1

Answered
how to plot cell array
I don’t why you’re saying multidimensional cell array all I see in the picture is a cell array containing character array. ...

2 meses ago | 0

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Answered
Store values from a for loop into a matrix
RARmat = zeros(65, 3) for ii = 1:65 RARatio = AUC/RA; disp(RARatio) % RAR Matrix RARmat(ii, :) ...

2 meses ago | 0

| accepted

Answered
Creating a MatLab code to convert numerical grades into letter grades.
You should loop through mn and save the results as a cell array in a variable which is preallocated before loop using indexing. ...

2 meses ago | 0

Answered
Showing error Matrix dimensions must agree
theta =0:2*pi:100; r=linspace(0,100,numel(theta)); % theta and r should have same length/ or either one be a scalar z=2*(r-4*...

2 meses ago | 0

Answered
how to find how many elements are there in a cell of an array?
No_of_elements = cellfun(@numel, cells)

2 meses ago | 0

| accepted

Answered
Assign values of a result to an input variable.
That’s not a good idea, see https://in.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dyn...

2 meses ago | 0

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Answered
I keep getting a 'parse error' at '='
Change arctan() to *atan()* and y=0 to *y==0*. doc if

2 meses ago | 0

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Answered
How to replace last row of matrix with a vector?
Tutorial

2 meses ago | 0

Answered
How do I calculate the average of TStep4 and TSTep2?
doc mean

2 meses ago | 0

Answered
Create a 34 element column vector, PiVec, where every element is the irrational number pi
Use those commands and add/multiply with which number you want the elements to be. doc ones doc zeros

2 meses ago | 0

Answered
making a random unique vector from 0 to 9999
doc randperm

2 meses ago | 1

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