Answered
Given an equation, i have to graph it in 3D and it should look like a water ripple
amp=200; [x,y]=meshgrid(0:100,0:100); const1=1; const2=0.001; z=(amp*cos(sqrt((x.^2+y.^2)*const1))./exp((x.^2+y.^2...

14 years ago | 0

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Answered
ERROR USING SET() ? GUI, Handles
It looks like you have your code inside a while loop, when you exit your GUI the handles are deleted but the loop still tries to...

14 years ago | 0

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Colorbar related
colorbar('YTickLabel',... {'-3*10^-4','-2*10^-4','-1*10^-4','0',... '1*10^-4','2*10^-4','3*10^-4'})

14 years ago | 0

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Answered
Conversion to double from sym is not possible
Your expressions R2 and x got several symbolic variables and because of that you can't convert it to double (by using double(exp...

14 years ago | 0

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Plotting several graphs in one plot
Do it like this: s1=subplot(311);hold(s1) %create each subplot and hold it s2=subplot(312);hold(s2) s3=subplot(313);...

14 years ago | 0

Answered
Customize a colormap
maybe this c=zeros(64,3); c(1:16,1)=1; %red c(17:32,1)=1; %orange c(17:32,2)=0.5; %orange c(33:49,1)=1; %yellow...

14 years ago | 0

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Answered
How to represent two different quantities in the same 3d figure?
One simple example: x1 = [0:.1:40]; y1 = 4.*cos(x1)./(x1+2); z1=2*sin(x1); x2 = [1:.2:20]; y2 = x2.^2./x2.^3; ...

14 years ago | 0

Answered
out of scope timer or not saved to variable
delete(timerfindall) %if you only have that timer %timerfindall is a MATLAB function

14 years ago | 0

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Answered
GNU Octave vs. Matlab
The Mathworks has nothing to fear, their software (MATLAB+Simulink+Toolboxes) is very mature and well documented, it is expensiv...

14 years ago | 1

Answered
Expanding and interpolating between sequential values in a nx2 matrix
m=[1 3; 2 6; 3 1; 4 9]; mm=interp2(m); mm(:,2)=[]; %remove the midle column mm %your result

14 years ago | 0

Answered
dialog box option instead of the input command
prompt = {'Enter ulimit:','Enter llimit:'}; dlg_title = 'Enter the limits'; num_lines = 1; def = {'1','2'}; %default...

14 years ago | 0

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Answered
How to create s-function in simulink with m-file
<http://www.mathworks.com/help/toolbox/simulink/sfg/f7-67622.html Writing Level-2 MATLAB S-Functions>

14 years ago | 1

Answered
compass axis labels
<http://www.mathworks.com/support/solutions/en/data/1-DRAF4Z/index.html?product=SL&solution=1-DRAF4Z How to change the axis lim...

14 years ago | 0

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Answered
compass plot
amp = [1.0448,0.365,0.0712,0.0622,0.1027]; pha = [77.16,105.75,61.67,320.84,101.95]; rdir = pha * pi/180; [x,y] = ...

14 years ago | 0

Answered
Beginner Question on Older Version 6.5.0 or (R13)
You don't have the Symbolic Math Toolbox™ installed. Execute this: ver and see if the Symbolic Math Toolbox™ is on the list...

14 years ago | 0

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IF statements to compare Imaginary Numbers
Do this D==X1 ans= 1 0 It's really something about floating point, try doing this: (D>=X1-eps & D<=X1+eps) now ...

14 years ago | 0

Answered
Relay block to generate signal PWM
Why do you need the relay block to generate the PWM? This should suffice: [sine wav] -----> [compare to constante] -----...

14 years ago | 1

Answered
Cobweb graph
Check this it <http://www.math.uu.se/~warwick/vt04/DynSyst/matlab/cobweb.m cobweb by Warwick Tucker> , it works very good.

14 years ago | 0

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Answered
Get value from simulink model to matlab gui while simulink is running
# When you use get_param where? what block and what code? # That command can only get the parameters supported by the block you ...

14 years ago | 2

Answered
What is your time zone?
GMT+1

14 years ago | 0

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m files as Function Inputs !!
function d = delayMethod(filename1,filename2) data1 = importdata(filename1); data2 = importdata(filename2); ...

14 years ago | 0

Answered
Slider in GUI
not working? how can we help if you don't provide enough details (error message at least), please be sure that variablemax and m...

14 years ago | 1

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Answered
how to use plot?
Maybe this syms x th=[0:0.05:1.57]; [x]=solve('cos(th+x)=0','x'); f=subs(x,'th',th); plot(th,f,th,cos(th),'r'...

14 years ago | 0

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Answered
What does Answers provide that CSSM, Stack Exchange, etc do not
The voting system allows any user to see the best answers right away without having to read all answers and comments. The mar...

14 years ago | 2

Answered
Plot in complex plane - Symbolic toolbox
That doesn't look like MATLAB code, are you using MUPAD instead?

14 years ago | 0

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quick question for pade function
[num den]=pade(100,1) num= -s+0.02 -> one zero at s=0.02 den= s+0.02 -> one pole at s=-0.02 You can see the zeros and poles l...

14 years ago | 0

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Answered
integration
yes and no, to do symbolic integration use int syms x int(x*log(1 + x), 0, 1)

14 years ago | 1

Answered
Change time function tic, toc
It's just the same like you going from your house to the supermarket expecting to always take the same time up to the second, th...

14 years ago | 1

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How to stop a script from executing
%code error('Mid script reached, this error message was made on purpose') %code Another alternative could be the us...

14 years ago | 1

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ismember error
It works just fine in this example, you also don't need the ==1 in the find argument. A={'580135' '803111' '803111' '803111...

14 years ago | 0