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PEC

Last seen: Today Active since 2017

Programming in MATLAB applied to interdisciplinary engineering fields

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

etwa 3 Stunden ago | 0

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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"...

etwa 8 Stunden ago | 0

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

etwa 15 Stunden ago | 0

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...

ein Tag ago | 0

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...

ein Tag ago | 1

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...

3 Tage ago | 1

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

4 Tage ago | 0

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...

4 Tage ago | 0

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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...

5 Tage ago | 0

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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 ...

7 Tage 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 ?

7 Tage ago | 0 answers | 0

0

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

8 Tage ago | 0

Remove a part of data and replace it with data to fit trend

8 Tage ago | 0

9 Tage ago | 0

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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

9 Tage ago | 0

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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.

10 Tage ago | 0

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

11 Tage ago | 0

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

11 Tage ago | 0

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

11 Tage ago | 0

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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

12 Tage ago | 0

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...

14 Tage ago | 0

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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...

15 Tage ago | 0

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...

16 Tage ago | 1

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Discrete transfer function show different results in Simulink and in Matlab!
Delete the ZOH (zero order hold) block and run again

19 Tage ago | 0

The data cannot be plotted because it is incompatible with the size
num=25*[0.4 1]; den=conv([0.16 1],[1 6 25]); G=tf(num,den) step(G)

19 Tage ago | 0

Lagrange Interpolation related problem (plotting a graph)
x = input('Enter values of x: '); y = input('Enter values of y: '); n = length(x); L = zeros(n,n); for i = 1:n V= 1; ...

20 Tage ago | 0

Trapezoidal numerical integration without use of function?
a=0; b=1; f=@(x)x.*sin(x); n=100; x=linspace(a,b,n+1); h=(b-a)/n; qt=sum(h*(f(x(1:n))+f(x(2:n+1)))/2) You did not use...

20 Tage ago | 0

Not enough input Arguments
T = ones(1,3) ;% define as here Td = ones(1,3) ; e = angle_axis(T,Td) % now call You are trying to input a 6 x 6 matri...

20 Tage ago | 0