VBBV

Last seen: 1 day ago | Active since 2017

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MATLAB enthusiast , Mechanical engineer (MeMe) :-)

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Javascript, R, MATLAB
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English
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28 Questions
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Answered
Reverse 2D-lookup table in Simulink
@Bruce Xq, Yq must be vectors , in your one is scalar and other is vector. e = 0:1e-6:1.5e-05 rad_dyn = 3.12588469032184 ...

9 days ago | 0

Answered
Help with for loop array plotting
@Laura Bell You can use loop index to retain values for each iteration in the loop. However, for plotting graphs you need arra...

12 days ago | 0

Answered
Why did I get incorrect values when solving this equation using the fourth order Runge-Kutta Method?
@Sajani there are some missing values for the equation. Also the exponent in equation is 0.5 B = 30; % width of mouth, Ba ...

15 days ago | 0

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Answered
Making curves reach axes
@Arne Those are the smallest values for equations in your program. if you want them to touch the axis, use ylim([0.1 1e5])

23 days ago | 0

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Answered
Data must be a single matrix Y or a list of pairs X,Y
hold on q=1.0; v=(1.0-sqrt(1.0+4.0*q))/(2.0*q); p=4*atan(1.0); for j=0:100 a=0.0+j.*p/100; for i=0:100 ...

25 days ago | 0

Answered
Is it possible that the column format of a UITable depends also on the row ?
@Anas Is there a way of setting a format to a specific cell within my uitable ? yes, you can format individual cells of uitable...

27 days ago | 0

Answered
Xlim error in App designer
@Mukesh try with following change in these lines app.StarYear.Value = event.Value app.StopYear.Value = event.Value xlim(app...

29 days ago | 0

Answered
How do I calculate OASPL from SPL ?
pressure_data.append(pressure_d) this line seems to add the pressure data cumulatively. you need to use pressure values separ...

1 month ago | 0

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Answered
Error in 1st line of code
@Manali Kunte, use the limits for time span instead of vector, Besides, there is typo error for function zeroes. The valid Mat...

1 month ago | 0

Answered
Can someone rectify this code?
@Rajeev Check the size of vectors used for conditions inside fsolve i.e. Q0 and (1:1:10) function F = myfun(Q) ks = 0.015/12;...

2 months ago | 0

Answered
How do I correctly write the following function ?
@Iurie Obodeanov, Close the parenthesis for first term i.e. sin term , and remove the dot at the end of 2nd term as below sym...

2 months ago | 0

Answered
Error: starting_stepsize
@Buey Cande See the following changes to your code Fao=1.5; %ep=0; d=[0.1:0.25:1]; kprime=3.*(3./(60.*d).^2).*(((60.*d).*c...

2 months ago | 0

Answered
How to increase speed of this code
@ASHA RANI one way to speed up code is increase the step size or increment in the OM array. The variables used in the equation...

2 months ago | 0

Answered
Distance between points in a 2D matrix
for i=1:m %go through each column for j=1:n %go through each row dist(i,j)=sqrt(((RV(i,j+1)-RV(i+1,j+1))^2)+(RV(i+1,...

2 months ago | 0

Answered
Plot: Dots won't go higher than y=0
clc clear % Inledande data d0 = 30e-3; % Diameter (m) h0 = 40e-3; % Ursprunglig höjd (m) h1 = 34e-3; % Höjd efter första...

2 months ago | 0

Answered
How to create separate tables so that I can have them open at the same time?
@Jacob Allen You can make the following changes to the code. If you want to display table data in different tabs you can use u...

2 months ago | 0

Answered
How to store arrays from this for loop and merge them to be displayed on an App Designer Table?
@Jastin You need to store the solution and iteration array to display the values in uitable as shown below normVal=norm(x_ol...

3 months ago | 0

Answered
Error message: Matrix Dimensions must agree
Hi @Ian Strahley, Use linspace to divide the data points uniformly for variables in the equation. use a function handle, w...

3 months ago | 0

Answered
f(x,y)=(x^2+y^2)/x = 0
@Nguyen Phuoc use fsurf function or mesh function % simple way f = @(x,y) (x.^2 + y.^2)./x; fsurf(f,[0,1]) % 2 x = linsp...

3 months ago | 0

Answered
Facing difficulties regarding quiz section from course "Matlab fundamaentals" in module 4.
Remember to select all correct options. I.e 3(which you did already) and 6 only.

3 months ago | 0

Answered
how can i create (generate) the Loop to Access Subfields:
@Gabriel To access elements of struct which are themselves struct, you need to use the . operator to next level of structure ...

3 months ago | 0

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Answered
I am unable to change the fontsize of axis ticks
@Chandramouli Santhanam, The below syntax should work better by using XAxis for axes handle x = rand(1,100); y = rand(1,100);...

3 months ago | 0

Answered
Illegal use of reserved keyword "end"
for idx = 1:length(T)-1; % Give a space in for loop statement to close the loop

3 months ago | 1

Answered
rated_torque not matching desired torque for IPMSM
Hi From the reference graph you have, it seems the value you get for rated torque is correct. It's about 2.25 Nm. If you loo...

5 months ago | 0

Answered
Hello, I am working on a matlab code for school and it is using a while loop. The problem with this is I want the while loop to run until the variable doesn't equal itself.
while R ~= Rc You probably need to change the while loop condition like above. Given the input value for Reynolds number ...

6 months ago | 0

Answered
Matlab If Else Statement
Hi @Joseph DeMaria You have saved the script file with name myfunx but it also contains a function myfun(x) which takes input a...

7 months ago | 0

Answered
calculating fourier series for the given functions and drawing the curve?
clear syms x N=[5 15 30]; f1=exp(-abs(x)); a_01=(1/pi)*int(f1.*cos(0*x),x,-pi,pi); f_new10=vpa(a_01/2) f2=exp(-(x)); a_...

7 months ago | 0

Answered
error in fourie script
g=@(x) 1.*(x>0)+(-1).*(x<0); a_0=(1/pi)*quad(g,-pi,pi) x = linspace(-pi,pi,200); for k = 1:numel(x) for n=1:10 ...

7 months ago | 0

Answered
I am trying to code a solution to blasius eq using Runge kutta 4, help please.
@Guillermo, The anonymous functions, F ,G, H defined for the blasius flow need to applied in the same manner when RK4 method is...

7 months ago | 0

Answered
How can I scale and plot the graph according to the formula I use?
@Zaref Li you need to take the differential for noise term while solving the equation i.e. dW instead of W % Define paramete...

7 months ago | 0