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**Feeds**

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 ...

12 dagen ago | 0

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...

30 dagen ago | 0

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_...

ongeveer 2 maanden ago | 0

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 ...

ongeveer 2 maanden ago | 0

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...

ongeveer 2 maanden ago | 0

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...

ongeveer 2 maanden ago | 0

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...

2 maanden ago | 0

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...

2 maanden ago | 0

| accepted

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,...

2 maanden ago | 0

readtable struggling to interpret spreadsheet as numbers

seriesAL = rows2vars(readtable('Alberta.csv', ReadRowNames=1, MissingRule="omitrow",VariableNamingRule='preserve')) yy = strrep...

3 maanden ago | 0

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...

3 maanden ago | 1

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...

3 maanden 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...

3 maanden ago | 0

| accepted

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...

3 maanden 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

4 maanden 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"]...

4 maanden 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))

4 maanden 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)....

5 maanden 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...

5 maanden 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 ...

5 maanden 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 ...

5 maanden ago | 1

| accepted

How to solve algebraic equations for different values of variables ?

eqn = Ac.*I.*eta-m.*c.*(Te-Ti)==0;

5 maanden 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...

5 maanden ago | 0

About While Loops problems

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...

6 maanden ago | 0

My User-defined Function is in red

>>[numout,unit] = MyUnitConverter(25,'cels2fahr') Call your function as above from command window

6 maanden 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...

6 maanden 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...

6 maanden 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...

6 maanden 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...

6 maanden ago | 0