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Programming in MATLAB applied to interdisciplinary engineering fields

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Answered
How do I plot a function with multiple steps
syms y z a b c x=10 viscosity=(1.8*10^-5) Pi=3.1415926 Densityair=1.25 Densitypart=1000 y=(.01*10^-9):(0.01*10^-9+10^-6)...

ongeveer 20 uur ago | 0

| accepted

Answered
Use of a loop to read and concat multiple cell table
%if true results{i} = readmatrix('files(i).name'); Use _readmatrix_ instead or try %if true results{i} = xlsrea...

ongeveer 22 uur ago | 0

Answered
Error witth Matrix calculus
syms C1 L C R s; C = [[(R + s*L),-s*L];[-s*L, (R + s*L + 1/(s*C1))]]; V = [[R + s*L,1];[-s*L,0]]; i2 = det(V)/det(...

1 dag ago | 0

Answered
No line on my graph
w=0.001:1000; modz=sqrt((w.^0.5 + 20*cos(pi/8)*w.^0.25 + 100)./(1+ 2*cos(pi/8)*w.^0.25 +w.^0.5)); W=log10(w); figure(3) ;...

1 dag ago | 0

Answered
i have an error using plot function with syms engine
clc close all clear a=0.001:0.0002:0.0018; syms x a w %x=1.0:0.1:1.98; Ef=427000*10^6; % in Pa Em=89000*10^6; Ec=184000*...

1 dag ago | 0

Answered
How do I list only i values of a cross product in a plot.
%if true x=-15:15; for i= 1:length(x) C=[0,0,30]; B=[x(i),0,30]; A=[0,40,30]; O=[0,0,0]; rOA=A-0; rAB=B-A; MagTAB=875...

5 dagen ago | 0

| accepted

Answered
I am unable to display my answers on command window
%if true disp('a =');disp(a) Try like this

5 dagen ago | 0

Answered
Why to I get "Unrecognized function or variable '1' ?
Could you check if it's _1_ or lower case alphabet _l_ used as variable in your script. Both appear same in Matlab scripts and h...

6 dagen ago | 1

Answered
Adding border to table
Check this https://in.mathworks.com/help/rptgen/ug/mlreportgen.dom.rowsep-class.html

13 dagen ago | 0

Answered
It does not stop!
%if true while abs(K-1)<(10^-5) This is check of tolerance using while condition according to your problem

14 dagen ago | 0

Answered
How do you substitute x(1),x(2),x(3) in place of kp,ki and l respectively?
syms kp ki l y= ((1/10^(l + 1)*ki*kp*l*sin((pi*l)/2))/(kp + (ki*kp*cos((pi*l)/2))/10^l) - (1/10^(l + 1)*ki^2*kp^2*l*cos((pi*l)/...

18 dagen ago | 0

Answered
what's going on?
plot(rand(4,4),'x-') which version of matlab are you using ?

18 dagen ago | 0

Answered
matlab scatter with different colors by reading a file data
%f true z= repmat(length(x),1,6) scatter(x,y,200,z,'filled') Try this. Z must be numeric of same length as x.

18 dagen ago | 0

Answered
unable to run imshow from matlab drive
%if true imshow('lena.png') Try using a char instead of string. And ensure full path if the image file is not in same ...

19 dagen ago | 0

Answered
How to index y-values of a plot for specific x values
%f true [F_y index] = find(max(y)); x_max = x(index) Try this

20 dagen ago | 0

Answered
Doubt regarding max(A,B).
%f true max([A B]) max([A;B]) The first would give 10 as max value. The second would give 10 6 5 as max values along eac...

ongeveer een maand ago | 1

Answered
Unrecognized function or variable 'wavread'.
%if p = fullfile(path,file); [Y,Fs] = wavread(p); Give the path and filename together if in different directory or just ...

ongeveer een maand ago | 0

Answered
Saving variable in a nested for loop
%if true for b = 1:length(linspace(-8,8,N/4)) % change this line ... transmission(b) = abs(tR - tL)/2; end % here...

ongeveer een maand ago | 0

Answered
what is the meaning of these random numbers
r = (randi(0:1, 5, 16)+'0') % starting from character 0 ; ascii characters for 0 and 1 r = (randi(1:2, 5, 16)+'1') % starting ...

ongeveer een maand ago | 0

Answered
What is the notation meaning in these codes
'u' means a vector which has 6 elements. First three elements assigned to variable xd Next three assigned to variable b1d

ongeveer een maand ago | 0

Answered
Plot two points on single x value
x = 1:5; y = [1 2 1 2 5]; x1 = [3 4]; y1 = [3 4]; plot(x,y,x1,y1,'-s') grid Try this

ongeveer een maand ago | 0

Answered
How can i match value in file and write the match corresponding row in new file
%if true for i=1:length(data(:,1)) % change idx_match=find(data(:,1)==data(i,1)) %matching value in data using Col1 i...

ongeveer een maand ago | 0

Answered
can someone help me with this error message?
>>JoiningCNT2(ssgraph,cc,a,n,m,z) All the parameters (function arguments) need to be specified when you want to execute t...

ongeveer een maand ago | 0

Answered
Question on how to use MarkerSize and creating a custom marker
x = [-2, 3]; y = [2, 7]; plot(x,y,'+','MarkerSize',6,'linewidth',2); plot(x,y,'-o','MarkerSize',20,'MarkerEdgeColor','green',...

ongeveer een maand ago | 0

Answered
Error using * Incorrect dimensions for matrix multiplication. Error in hbg_implict (line 23) out = A*y + B*u - E*yp;
%f true out = A.*y + B.*u - E.*yp; Use element wise matrix operator

ongeveer een maand ago | 0

Answered
For loop only accesses the last element in an array
Rawdata seems to be same for all cases. Thats why you get same graphs

ongeveer 2 maanden ago | 0

Answered
Is this the correct way to use "hold on" in a for loop?
%if true for t = 1:5 ; dx(t) = vx*t; dy(t) = vy*t-0.5*9.81*t^2; plot(dx(1:t),dy(1:t),'g-'); end you are trying to plot...

ongeveer 2 maanden ago | 0

Answered
getting error while using feedback
%if true K1 = tf([0.005659 0.05206 0.004496],[1 9.357 2.228 0.06147]) K2 = tf([0 0 27.5084 0],[0 0 27.5084 0]) feedback...

ongeveer 2 maanden ago | 0

Answered
Issue while plotting image (wrong scale)
%f true set(gca,'YtickLabel',0:100:1000) If you don't want Y scale to be inverted use the above

ongeveer 2 maanden ago | 0

Answered
comparing column vectors finding maxima element wise
%f true max([a;b]) Use this

ongeveer 2 maanden ago | 0

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