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madhan ravi


Last seen: Today
3.480 total contributions since 2018

Communication through MATLAB is always better than arguing.

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Answered
Error: too many outputs
function Y = ForwardSub(L,b) % you forgot to assign the output in the function definition

ein Tag ago | 0

Answered
Raising a matrix to the power from 0 to 50
Wanted = arrayfun(@(x)A^x,0:50,'un',0); celldisp(Wanted)

ein Tag ago | 0

Answered
not enough input arguments
<https://www.mathworks.com/help/matlab/matlab_prog/run-functions-in-the-editor.html>

2 Tage ago | 0

Answered
Numbering table and selecting value
Try replacing Name==result with strcmp(crossSectionInfo.Name,result)

3 Tage ago | 0

Answered
How to replace the 5 in my vector with decreasing numbers like 5,4,3,2,1
Z=num2cell(x); Z(cellfun(@(zx)zx==5,Z))={5:-1:1} celldisp(Z)

3 Tage ago | 0

Answered
plotting with respect to time
C1=x0; C2=x_dot+Wn*x0; x = @(t) (C1+C2*t)*exp(-Wn*t) fplot(x,[0,10])

3 Tage ago | 0

| accepted

Answered
How to combine two cell arrays?
newcellarray = [cellarray2,cellarray1]

4 Tage ago | 0

| accepted

Answered
Storing double output into a single cell array
zeros() to cell() and A{n,k} = selectedlocal

4 Tage ago | 1

| accepted

Answered
How to find the element of a number if that number were to be placed in an ordered list?
Between = [find(ismember(list1,fix(2.5))), find(ismember(list1,ceil(2.5)))]

4 Tage ago | 0

Answered
How to solve for T2? it is giving an error when I try solve
syms T2 TempCumene = vpasolve ((((281.4749/3600)*Cp_b)*(T2-414.95) == Q_b),T2) %temp for cumene outlet in K

4 Tage ago | 0

| accepted

Answered
How to create an integral function? Trying to solve Cp_b between 2 numbers
clear all %%Calculate Benzene Duty Q %From Perry's table 2-153 values for Benzene C1_b = 162940; %in J/kmol*K C2_...

4 Tage ago | 0

Answered
Help me pls I don't know matlab
<https://www.mathworks.com/matlabcentral/answers/297463-how-to-create-an-mxn-matrix-with-a-for-loop#accepted_answer_230016>

5 Tage ago | 0

Answered
Log scale x axis?
set(gca, 'XScale','log') % at the end To turn off the warning simply use dots before arithmetic operators .^ .* ./

5 Tage ago | 0

| accepted

Answered
Why is this so slow?
Instead of loop why not simply use *cumsum()* ?

5 Tage ago | 0

| accepted

Answered
How to store " first_element " values?
A = [ 1 1 1 1 2 3 4 4 4 ; 1 2 3 4 5 5 5 5 5]; [first_element,end_element] = deal(zeros(size(A,1),1)); % preallocate for k = 1:...

5 Tage ago | 1

| accepted

Answered
Why can't a variable holding an equation be used to make a function handle?
I would simply use matlabFunction() as sir Walter says but maybe you have the follwing in mind: func = @(x) eqn(x)

6 Tage ago | 0

| accepted

Answered
My function will not work to calculate the 'Cumene inlet temperature' section
func= (Mc*Cp(T))*(T-T1) - (Qb)

6 Tage ago | 0

| accepted

Answered
join cell arrays together
cellstr(string(x)+string(y))

6 Tage ago | 0

| accepted

Answered
Undefined function 'cos' for input arguments of type 'tf'.
syms s % forgot to add this part theta1=((3/8)*pi)+((1/8)*pi*cos(((pi/.3)*s)+(pi/16))); theta1s=laplace(theta1);

6 Tage ago | 1

Answered
Why is this if statement does not work?
Because they are float numbers, reading the below links might help you better about floating numbers: https://www.mathworks.com...

6 Tage ago | 0

| accepted

Answered
Select values from cell array with condition using cellfun
A(cellfun(@(x) all(all(x>-6 & x<6)), A)) % for versions 2018b>= usage of all() would be all(...,[1,2])

7 Tage ago | 0

Answered
int and subs function
Run: which subs -all which error -all In command window and paste the output here. It looks like you have a script na...

10 Tage ago | 0

| accepted

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 ...

etwa 2 Monate 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...

etwa 2 Monate 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 ...

3 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);

4 Monate ago | 0

| accepted

Question


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

4 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)

4 Monate ago | 1

| accepted

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

5 Monate ago | 0

| accepted

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

5 Monate ago | 0

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