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madhan ravi


Last seen: 2 months ago |  Active since 2018

Communication through MATLAB is always better than arguing.

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Question


Constant block doesn't accept array
Not sure why the constant block doesn;t give the output as array. Is there any to make it possible?

1 year ago | 3 answers | 0

3

answers

Question


Why does the output of audioread() gives samples less than shown in audioinfo() ?
for some reason there is no problem in mac but in windows

1 year ago | 1 answer | 0

1

answer

Answered
Convert time vector of Year, Month, Day, Hours, Minute to Decimal format
doc ymd doc hms

2 years ago | 0

Answered
How to find first instance of a value in array?
help find % read the third explanation

2 years ago | 0

Answered
How to average certain columns in a matrix
T = array2table(rand(2, 3)) T = [T(:, 1), array2table(mean(T{:, 2 : end}, 2), 'V', {'AVERAGE'})] % where Var1 is the time data

2 years ago | 0

Answered
How to average certain columns in a matrix
matrix = rand(107, 16); Matrix = [matrix(:, 1), mean(matrix(:, 2 : end), 2)]; size(Matrix)

2 years ago | 0

| accepted

Answered
Logical Indexing with matrix
C( A & B ) = C( A & B ) + 1

2 years ago | 0

| accepted

Answered
How can I make this work, I don't know where i went wrong.
1 / (1 + cos(4*x)) %is not the same as 1 / 1 + cos(4*x) % likewise for last question

2 years ago | 0

| accepted

Answered
can anyone help me to solve these error
function [y] = specvol(V) % change capital V to v

2 years ago | 1

| accepted

Answered
SIMPLE MATH ERROR CALCULATION
Click on the tag floating-point round((9.2^2 * 1e2) / 1e2, 3) % since you're using a hardware , not sure using a sym class woul...

2 years ago | 0

Answered
convert data from two 3D arrays into three 2D arrays
https://www.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dynamically-eval A = rand(2,...

2 years ago | 0

Answered
This is my attempt to generate and plot this signal .. which one of these is right? .. please help
A = 3; [B, C] = deal(4); u = @(t) t >= 3 + 0.5 * A; u1 = @(t) t >= 3 - 0.5 * A; u2 = @(t) t >= C + 0.5 * B; u3 = @(t) t >= ...

2 years ago | 1

| accepted

Answered
Saving a Matrix as an Image and then extracting same matrix from Image.
SMAG = im2double(b) %

2 years ago | 0

| accepted

Answered
How to find the mean of 12 different 3-D arrays containing nan so that I can omitnan in the final calculations?
Use mean() with "Omitnan" flag help mean

2 years ago | 0

| accepted

Answered
連続時間系のサンプリングと離散フーリエ変換
https://www.mathworks.com/help/matlab/ref/fft.html a good starting point

2 years ago | 0

Answered
theory parts from the documentation -usage
The volunteers here are there to contribute to questions related to coding. For legal questions you would be better off to conta...

2 years ago | 0

Question


Is there a way to viewmark as images?
Any possible way to extract viewmarks from Simulink as images?

2 years ago | 1 answer | 0

1

answer

Answered
Moving specific .mat files to a new folder
help movefile

2 years ago | 0

Answered
Data Plotting in a Single Figure
U = setdiff(10 : 10: 100, 80 : 10 : 90); V = 1e2 : 50 : 450; X = sort(randi(400, size(U))); Y = sort(randi(98, size(U))) .*...

2 years ago | 0

| accepted

Answered
how to sum a result with multiple values
You literally answered your own question, just use sum() help sum

2 years ago | 1

| accepted

Answered
How to use Solver?
Use vpasolve()

2 years ago | 0

| accepted

Answered
Index a Matrix that gets smaller
for ind = size(RAW): -1 : 2

2 years ago | 0

| accepted

Answered
Error on my matrix
t_pn = (im2double(t) + p.' / 2) / 2;

2 years ago | 0

Answered
i have an Error using ^
Change * to .* in all the places.

2 years ago | 0

| accepted

Answered
Save a double array to a text file
https://www.mathworks.com/matlabcentral/answers/4175-how-to-save-a-matrix-as-text-file#answer_5892

2 years ago | 0

Answered
problem in solving matrix
I = A \ V

2 years ago | 0

Answered
Can't solve for x with (a = y/x)
syms y a x eqn = a == y/x; s = solve(eqn, x)

2 years ago | 0

Answered
solving symbolic array to output a numerical solution
struct2array(Ma3)

2 years ago | 0

Answered
removing rows from a timetable
load combined_observed_vs_sim_timetable combined_data(1 : 12, :) = [ ]

2 years ago | 0

Answered
Array indices must be positive integers or logical values.
ii = 0.01:0.02:0.99; w1_temp= ii; w2_temp= 1-ii; Rp_temp= w1_temp*mean(R_2(:,1))+w2_temp*mean(R_2(:,2)); ...

2 years ago | 0

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