VBBV

PEC

Last seen: Today | Con actividad desde 2017

Followers: 1 Following: 6

Mensaje

MATLAB enthusiast , Mechanical engineer (MeMe) :-)

Estadística

All

CLASIFICACIÓN
59
of 297.457

REPUTACIÓN
3.238

CONTRIBUCIONES
28 Preguntas
1.275 Respuestas

ACEPTACIÓN DE RESPUESTAS
100.0%

VOTOS RECIBIDOS
298

Ver insignias

Feeds

Respondida
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;...

17 días hace | 0

Respondida
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...

18 días hace | 0

Respondida
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...

21 días hace | 0

Respondida
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...

28 días hace | 0

Respondida
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,...

28 días hace | 0

Respondida
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...

alrededor de 1 mes hace | 0

Respondida
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...

alrededor de 1 mes hace | 0

Respondida
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...

alrededor de 1 mes hace | 0

Respondida
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...

alrededor de 1 mes hace | 0

Respondida
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...

alrededor de 2 meses hace | 0

Respondida
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.

alrededor de 2 meses hace | 0

Respondida
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 ...

alrededor de 2 meses hace | 0

| aceptada

Respondida
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);...

alrededor de 2 meses hace | 0

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

alrededor de 2 meses hace | 1

Respondida
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...

3 meses hace | 0

Respondida
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 ...

5 meses hace | 0

Respondida
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...

5 meses hace | 0

Respondida
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_...

6 meses hace | 0

Respondida
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 ...

6 meses hace | 0

Respondida
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...

6 meses hace | 0

Respondida
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...

6 meses hace | 0

Respondida
Plotting the attenuation constant against frequency
@Vinci Use smaller conductnce value, and semilogx for ploting graph % Clear screen and variables clc, clear all % Define d...

6 meses hace | 0

Respondida
Why are the results of the iterative calculations different？
%%%%%%%%%%%%%%% clear clc T=1e-3; t=0:T:1; u=sin(2*pi*50*t); hold on for k = 1: numel(u) y(k)=fcn(u(k)); end plo...

6 meses hace | 0

| aceptada

Respondida
How to plot level curves
@Irene Zhou there is a missing element wise product operator for the equation in your code. [X,Y] = meshgrid(linspace(700,900,...

6 meses hace | 0

Respondida
readtable struggling to interpret spreadsheet as numbers
seriesAL = rows2vars(readtable('Alberta.csv', ReadRowNames=1, MissingRule="omitrow",VariableNamingRule='preserve')) yy = strrep...

7 meses hace | 0

Respondida
Hi, I am having some trouble with a plot. I am trying to plot pressure vs. time using an equation for pressure with respect to time. Whenever I plot this I get a blank graph, so i'm not sure what the problem is. I appreciate any help!
@Sarah Fries Try using the vpasolve function and solve the equation for well defined input time interval. In your code, you we...

7 meses hace | 1

Respondida
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...

7 meses hace | 0

Respondida
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...

7 meses hace | 0

| aceptada

Respondida
Adding Legend to Subplot
@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...

8 meses hace | 0

| aceptada

Resuelto

Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

8 meses hace

Cargar más