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Last seen: Today |  Active since 2017

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Programming in MATLAB applied to interdisciplinary engineering fields

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Answered
Getting a blank graph
syms theta1 grid on w2 = @(theta1) ((cos(pi/6)*(sec(theta1)).^2)./ ((tan(theta1)).^2+(cos(pi/6)).^2))*2*pi; theta1 = 0:pi...

5 hours ago | 0

Answered
why do I keep getting this error message
t = 0:1/320:0.5; x = @(t) 6*cos(4*pi*t)+2*sin(16*pi*t) -4*sin(32*pi*t);% define anonymous function x(t) plot(x(t))

10 hours ago | 0

Answered
Plotting with dsolve for ODE
clear clc [x,y] = meshgrid(-5:0.4:5,-5:0.4:5); dydx = x.^2+y.^2-1; L = sqrt(1+dydx.^2); quiver(x,y,1./L,dydx./L,'k') hold...

1 day ago | 0

Answered
Hi COMM, How can I hold only one plot while updating the rest in a figure ? E.g. I want to keep (x,f) plot fixed , while keeping the current value for the animated plot
for k=1:length(x) plot(x(1:k),f(1:k),'or') axis([SSmin SSmax 0 30]) pause(2) end Check with this

1 day ago | 0

Answered
the for loop is only giving me the last value
North_20170401 = zeros(360,6); N_Y_K_20170401 = zeros(360,6); for i = 9 :15 : 359 %for j = 1:1:24 disp( Data_2...

3 days ago | 0

Answered
matlab 'colorbar' error
This syntax does not seem to be supported in Matlab axis('ij') See what you get if you change it to axis ij

3 days ago | 0

Answered
Error in using diff for derivative
t = f(a); while (true) if (gradient(t) ~= 0) b = a - t./gradient(t); if (abs(b-a) <= error) ...

3 days ago | 0

Answered
How ro divide a scalar by a excel data and plot the result?
X= 51./data(:,4); Use the element wise division operator

3 days ago | 0

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Answered
add new row to table with missing values
V.name = "Ann"; V.city = "Berlin"; V.age = 24; V.height = 172; T1 = struct2table(V); V2.name = "Luka"; V2.city = "Tokyo"...

3 days ago | 0

Answered
How do I extract a vector from a single field in a structured variable?
folder_names = struct('name',['MH';'TM';'JW']) participant_ID = folder_names.name Check with this

4 days ago | 0

Answered
How can ı solve invalid indexing or function
clc; clear all; syms nw W x Q(x) Y Qo ode1=diff(Q,x)== -nw*W*Y; cond1 = Q(0)== 0; cozum1(x)=dsolve(ode1,cond1); cozum1=s...

4 days ago | 0

Answered
Index exceeds the number of array elements. Index must not exceed 1.
z(i+1)=z(i)+(1/6*(k1_hiz(i)+2*k2_hiz(i)+2*k3_hiz(i)+k4_hiz(i))); v(i+1)=v(i)+(1/6*(k1_ivme(i)+2*k2_ivme(i)+2*k3_ivm...

4 days ago | 1

Answered
Couette flow between two plate
dpdx= -2:0.1:2; miu = 1; y = linspace(0,1,length(dpdx)) vv = 0.25*miu*dpdx.*y.^2 v = 0.5*miu*dpdx.*y plot(y,v,y,vv) lege...

6 days ago | 1

Answered
Control systems failing to plot
Check if you have defined _bode_ as variable in your program.

7 days ago | 0

Answered
Need a help to design a block.
If there is no standard block for flow rate in (Smmulink or Simscape)library, then you can define 2 variables as signals. One fo...

7 days ago | 0

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Answered
Matlab code - can anyone guide me how to sort this kind of error, I am new to MATLAB and trying to create an interface for a audio listening experiment
function varargout = TEST(varargin) % TEST MATLAB code for TEST.fig % TEST, by itself, creates a new TEST or raises the e...

8 days ago | 0

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Answered
How to plot subset of X-axis names on bar plot?
plotNamesD = plotNames(1:kId);% use the for loop index plotDataD = plotData(1:kId); bar(plotNamesD,plotDataD); hold ...

10 days ago | 0

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Question


Does MATLAB mobile version have different features ?
Have anyone tried MATLAB mobile for android OS ? Does it have any different features from regular matlab software ?

10 days ago | 0 answers | 0

0

answers

Answered
Refresh plot using switch case with dropdown menu in App designer
plot(x,y) ax = gca % get the axes handle of current plot delete(ax);% delete the axes handle Hope this works

11 days ago | 0

Answered
Remove a part of data and replace it with data to fit trend
<https://in.mathworks.com/help/curvefit/smooth.html> Check this link

11 days ago | 0

Answered
reading and interpreting statistical chart
<https://in.mathworks.com/help/matlab/ref/pie.html> Check this link

11 days ago | 0

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Answered
Plotting a Piecewise Function
syms x z(x) y=piecewise(x<0,0, x>0,1); z(x)=(1+(x-1).*exp(-x)).*y; fplot(z,[-3 3]) Best wishes

12 days ago | 0

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Answered
Matlab mass pendulum simulation
f1 = m*g; When computing acceleration, This term needs to be positive if I understand it correctly from law of motion.

13 days ago | 0

Answered
Plot the Poisson CDF with the Standard Normal Distribution CDF
x3 = -3:0.1:3 Use the same intervals as x1

14 days ago | 0

Answered
how to calculate inverse of modulus function
x= inv(a)*mod(1,N); Check with this

14 days ago | 0

Answered
data is getting plot on 4 different graphs while I would like to see all the data on one graph!
figure(1) If you use loop index for figure, then it will plot as many figures as number of files

14 days ago | 0

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Answered
Unable to perform assignment because the size of the left side is 1-by-1 and the size of the right side is 7-by-1.
y(i,j,:)= net(double(tst')); Since the resulting matrix _tst_ is transposed, you need this

15 days ago | 0

Answered
Incrementing a loop for the next set of values
poweredbypv=(zeros(size(8760,24))); for j = 1: length(poweredbypv) for i=1:24 if Egenpv(i) > Eelectrolyzer poweredbypv(j,i...

17 days ago | 0

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Answered
Unexpected MATLAB Operator ':'
Step = contents{iRow,Step}; Change this line to above. You are trying to make Step as string inside the _switch case statem...

18 days ago | 0

Answered
Plotting a Continuous Spectrum
Try changing the values for T ,time period from 0.2 to 1. You can notice the difference whether it's continuous or appears as di...

19 days ago | 1

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