Community Profile

photo

madhan ravi


Last seen: Today
3.458 total contributions since 2018

Communication through MATLAB is always better than arguing.

madhan ravi's Badges

  • First Review
  • First Submission
  • Thankful Level 4
  • 12 Month Streak
  • Ace
  • Knowledgeable Level 4
  • Promoter
  • Commenter
  • Revival Level 3
  • Solver
  • First Answer

View details...

Contributions in
View by

Question


Using least squares to find the x intercept.
I have a set of data points which represent the IV characteristics of a diode. I'm confused on how to get the threshold voltage ...

27 Tage ago | 1 answer | 0

1

answer

Question


Symbolic differentiation with respect to first derivative
Is it possible to make a derivative of an equation with respective to the first derivative . Illustration: syms x(t) eq...

29 Tage ago | 1 answer | 0

1

answer

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 ...

2 Monate 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);

3 Monate ago | 0

| accepted

Question


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

3 Monate 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)

3 Monate ago | 1

| accepted

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

3 Monate ago | 0

| accepted

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

4 Monate 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...

4 Monate 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...

4 Monate 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'

4 Monate 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...

4 Monate ago | 0

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

4 Monate 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

4 Monate 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...

4 Monate ago | 1

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

4 Monate 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 ...

4 Monate ago | 0

| accepted

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...

4 Monate ago | 1

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

4 Monate 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. ...

4 Monate ago | 0

| accepted

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, :) ...

4 Monate 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. ...

4 Monate 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*...

4 Monate ago | 0

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

4 Monate 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...

4 Monate ago | 0

| accepted

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

4 Monate ago | 0

| accepted

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

4 Monate ago | 0

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

4 Monate ago | 0

Load more