Community Profile

##### Last seen: Today
3,491 total contributions since 2018

Communication through MATLAB is always better than arguing.

View details...

Contributions in
View by

How to use ode45 for a row vector

20 hours ago | 1

I'm having trouble with the differential equation example:
function dydt = lineary1(t,y) % should be saved as lineary1.m dydt = y(1); And in another file named "Experiment.m" [t,y] = o...

8 days ago | 0

"Non enough input arguments" to solve non linear equations
Name of the script should be different than that of the function.

8 days ago | 0

| accepted

How to add a constant to a symbolic array element by element?
They are not negative numbers but probably represented in scientific notations. format longg % at the beginning Because the a...

9 days ago | 0

Extracting values within a matrix
Use logical operators ">" "<" and "find()"

9 days ago | 0

make rectangular with vectors
plot(a,b,'-ok') % look here plot(b,c,'-ok') plot(c,d,'-ok') plot(d,a,'-ok')

10 days ago | 0

Problem with find string in array
Wanted = ismember(cellstr(Mfg),'bmw')

10 days ago | 1

| accepted

arc question about implementing angle using linspace
if you are looking to convert radians to degrees use the function rad2deg() function

13 days ago | 0

According to the error message you need to have: MATLAB/SupportPackages/R2019b/toolbox/matlab/hardware/supportpackages/arduinoi...

15 days ago | 0

matlab give me error when i use fzero to calculate zero of function
Just go to the file location and rename the file as *myFzero.m* for example.

16 days ago | 1

| accepted

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

1 month ago | 0

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

1 month ago | 0

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

1 month ago | 0

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

1 month ago | 0

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)

1 month ago | 0

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

1 month ago | 0

| accepted

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

1 month ago | 0

| accepted

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

1 month ago | 1

| accepted

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)))]

1 month ago | 0

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

1 month ago | 0

| accepted

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_...

1 month ago | 0

Help me pls I don't know matlab

1 month ago | 0

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

1 month ago | 0

| accepted

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

1 month ago | 0

| accepted

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:...

1 month ago | 1

| accepted

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)

1 month ago | 0

| accepted

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

1 month ago | 0

| accepted

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

1 month ago | 0

| accepted