# VBBV

### PEC

Last seen: Today Active since 2017

Followers: 1   Following: 6

MATLAB enthusiast , Mechanical engineer (MeMe) :-)

All

#### Feeds

View by

3 days ago | 0

I didn't understand it how they completed it?
@Mohit Define the symbolic variables d & theta for the given equation to be solved % syms d theta x = [d theta]; % defin...

5 days ago | 0

Workspace variable not available despite visibility in another variable
if you want to store the variable names Testsignal_1 and Current then you need to use an indexing variable as below. If this c...

10 days ago | 0

| accepted

@Ollie Bardsley, you need to rearrange the few lines of code inside the for loop as shown below LF = ["0 1.fig","0 2.fig","1...

19 days ago | 0

| accepted

How can I write a 'for' loop that sums up all elements of a vector?
@Seif do you mean like this ? a= [1:5] for i=1:3 c(i)=sum(a(i)+a(i+1)) disp(sum(c)) end

23 days ago | 0

| accepted

Legend colors change when I have two y axes
colors=["#028A0F","#1D57A9","#3DCBC8","#9C58A1","#F0D04D","#CD0027","#EF9F26","#B2B3B5","#FA9DAC","#98FF98","#67032F","#010101"]...

24 days ago | 0

| accepted

How to make the negative sign of y axis to be up ?
ydata = -900:100:100 xdata = ydata.*ones(1,length(ydata)) plot(xdata,ydata) yticks = ydata; yticklabels(fliplr(yticks))

25 days ago | 0

Incorrect dimensions for matrix multiplication
k = @(t,u) (k0 + (p*k0.^u-q*k0).*t +(p*k0.^u-q*k0).*(p*u*k0.^u-q).*t.^2/factorial(2)... +(p*k0.^u-q*k0).*((p*u.*k0.^u-q)....

2 months ago | 0

| accepted

how to get variable of function in for loop
x = 1:20; y = 1:13; f = []; for i = 1:length(x), for j = 1:length(y); f(i,j) = x(i).^2 - x(i) -2*y(j).^2 + y(j) -2...

2 months ago | 0

Plotting of a rolling ball
@Cem Eren Aslan, you can use plot function handle and delete it at end of every iteration inside the loop, data = [0 ...

3 months ago | 0

| accepted

readmatrix returning last column as NaN
@Philip The last column has additional character (semicolon) ' ; ' even though it has numeric data. Use readtable to check that ...

3 months ago | 1

| accepted

function DropDown(app,event)

3 months ago | 0

| accepted

How to solve algebraic equations for different values of variables ?
eqn = Ac.*I.*eta-m.*c.*(Te-Ti)==0;

3 months ago | 0

| accepted

imagesc graph axis setting probelm in Matlab Appdesigner
@준홍Ok. It may be for this reason, using *sprintf* function when you print to status text area value. This function prints output...

3 months ago | 0

It has already exited, the first while loop, but it's waiting for next input from user ... See the message at bottom left of win...

3 months ago | 0

My User-defined Function is in red
>>[numout,unit] = MyUnitConverter(25,'cels2fahr') Call your function as above from command window

3 months ago | 0

How to extract a slider value?
@Darío Imbernón Clavero, You can call the ValueChangedFcn property for the uislider function, and define functions for ValueCha...

3 months ago | 0

2 variables symbolic function representation
Hi @laura bagnale, you can use the function handle and choose a suitable plot function for representation that best fits your ne...

3 months ago | 0

Error with my CODE and I don't know why.
@Raphael Marcelo You can modify the following lines in your code. i.e. set the uieditfield property to numeric instead of text...

3 months ago | 0

Arrowhead is turning the wrong way
Hi @Rasmus Bruun, In this line, you are trying to reverse the direction of X-axis (for unknown reason), If you comment the bel...

3 months ago | 0

Error in Error in odearguments (line 92) f0 = ode(t0,y0,args{:}); % ODE15I sets args{1} to yp0. Error in ode45 (line 104) odearguments(odeIsFuncHandle,odeTreatAsMFile,
@Juan you have probably tried using the arguments to the ode45 function as below, Try using the same syntax as it was provided ...

3 months ago | 0

I am getting the following error when I run my script: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatc
h = h + (1/6) * (k1 + 2*k2 + 2*k3 + k4); % <> multplication operator is missing here

3 months ago | 0

Why are G1 and G2 outputs different?
The order of mathematical operations in evaluating G1 and G2 are different. In case of G1 , individual terms are evaluated first...

3 months ago | 0

Index exceeds number of array elements. Index must not exceed 8. HELP
Q = [beta alpha lambda vac d gamma c m]; The size of the vector is 1x8

4 months ago | 0

Extract certain values in .mat file
data= [-0.13793 -0.114746 -0.204773 -0.224304 -0.181274 -0.192566 -0.159912 -0.174866 -0.134888 -0.148926] data(2:2:end) dat...

4 months ago | 0

Function definitions are not permitted in this context.
Rename the file *ok.m* to *uniform_pcm.m* and save file. Type the name of function from command window (giving input arguments)...

4 months ago | 0