VBBV

PEC

Last seen: 2 días hace | Con actividad desde 2017

Followers: 1 Following: 6

Mensaje

MATLAB enthusiast , Mechanical engineer (MeMe) :-)

Estadística

All

Ver insignias

Feeds

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...

15 días 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 ...

2 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...

3 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_...

3 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 ...

3 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...

3 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...

3 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...

4 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...

4 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,...

4 meses hace | 0

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

5 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...

5 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...

5 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...

5 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...

5 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)).

5 meses hace

Resuelto

Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

5 meses hace

Respondida
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

5 meses hace | 0

| aceptada

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

5 meses hace | 0

| aceptada

Respondida
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))

5 meses hace | 0

Resuelto

Acidity of vinegar and salts
Assuming: pH (potentia hydrogenii) = - log10(H+ ionic concentration in mol/Liter). For a buffer solution containing acetic acid ...

7 meses hace

Resuelto

Volume of this donut
Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

7 meses hace

Resuelto

Size of this cup?
The given vector has diameter of the cup in mm sampled at micrometer increments in depth from top to bottom, need output in cc a...

7 meses hace

Resuelto

Finding perimeter of a rectangle
A rectangle has a length of x centimeters and a width of w centimeters. Find the perimeter.

7 meses hace

Resuelto

area of an annulus
Given the diameter d of the inner circle of the annulus. Given length z of a chord of the outer circle of the annulus. This chor...

7 meses hace

Resuelto

expand intervals vol.2
Similar to problem <http://www.mathworks.co.uk/matlabcentral/cody/problems/2528 2528>. This is a more general case, when bounds ...

7 meses hace

Resuelto

Time Expansion
How can you slow down any discrete-time signal? Example Input original signal x. x = [1 2 3 -1 -2 -5 -4] We want t...

7 meses hace

Respondida
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)....

7 meses hace | 0

| aceptada

Respondida
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...

7 meses hace | 0

Resuelto

Convert Kilometers to Miles
Convert kilometers to miles. Consider 1 km = 0.62 mile. Note: Don't use the '*' operator.

7 meses hace

Cargar más

VBBV

PEC

Estadística

Community

MATLAB Answers

MATLAB Answers

Cody

Cody

File Exchange

File Exchange

Cody

Cody

Cody

Cody

MATLAB Answers

Feeds