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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...

1年以上前 | 0

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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...

1年以上前 | 0

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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...

1年以上前 | 0

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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.

1年以上前 | 0

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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 ...

1年以上前 | 0

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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);...

1年以上前 | 0

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

1年以上前 | 1

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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...

1年以上前 | 0

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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年弱前 | 0

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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...

2年弱前 | 0

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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_...

2年弱前 | 0

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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 ...

2年弱前 | 0

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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...

2年弱前 | 0

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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...

2年弱前 | 0

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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年弱前 | 0

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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年弱前 | 0

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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年弱前 | 0

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

約2年前 | 0

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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...

約2年前 | 1

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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...

約2年前 | 0

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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...

約2年前 | 0

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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...

約2年前 | 0

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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)).

約2年前

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

約2年前

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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

約2年前 | 0

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

約2年前 | 0

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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))

約2年前 | 0

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

約2年前

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

約2年前

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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...

約2年前