Community Profile # VBBV

### PEC

Last seen: Today 2017 以来アクティブ

Programming in MATLAB applied to interdisciplinary engineering fields

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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...

2日 前 | 0

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

2日 前 | 0

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...

3日 前 | 1

Check this https://in.mathworks.com/help/rptgen/ug/mlreportgen.dom.rowsep-class.html

10日 前 | 0

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

11日 前 | 0

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)/...

15日 前 | 0

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

15日 前 | 0

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.

16日 前 | 0

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 ...

16日 前 | 0

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

17日 前 | 0

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...

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

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...

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 ...

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

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

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...

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...

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',...

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

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

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...

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...

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

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

display names in the code
Try also using _disp_ function

Why is my nested if statement is not working.
Check the size of _mark1_ it may be cell array instead of scalar value that you want to do condition tests through nested _If..e...

Axes of plotted figure not complet (Matlab)
%if true box on Use this command to get the black lines top and right sides like you want.

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Im trying to get a column vector with a list of composite numbers within a random range using the randi function but I keep getting an error.
%if true randB1 = randi([1 99],1,20); Try using randB1 like above. Since you require a 20 number range within a [1 99]...

How to Set Plot Background Color
%if true x = linspace(1, 15, 15); y = randi([0 15], 1, 15); figure(1) h = plot(x, y, 'b-'); hold on patch([2 6 6 2 2...