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Need help creating simple plot (3d plot?)
Ulrik, one option would be a surface plot: n = 100; x = linspace(0,4,n); y = linspace(0,4,n); [X,Y] = meshgrid(x,y); ...

mehr als 11 Jahre vor | 1

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Change elements by a set amount.
Justin, do you mean delta = delta - delta/2 + 1 ?

mehr als 11 Jahre vor | 0

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Find value of x, from max y (graph)
Andrew, check out x = 0:0.1:6; y = sin(x + 0.5); vel = diff(y)./diff(x); plot(x(1:end-1), vel,x(vel == max(vel)),m...

mehr als 11 Jahre vor | 0

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Row and column lsim error?
Hello Raymond, the system has two inputs, therefore the input signal needs to be a 2-by-n vector. Use, e.g. ... t = 0:0.01...

mehr als 11 Jahre vor | 0

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Problem using Left Hand Division in MATLAB
Michael, the answer (zero-vector) is correct. If you do rank(sysEq) you'll see that the matrix has full rank (= 3). This ...

mehr als 11 Jahre vor | 0

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Repeating triangular block in Simulink
Chess, how about using the <http://www.mathworks.com/help/simulink/slref/signalbuilder.html Signal Builder> block?

mehr als 11 Jahre vor | 0

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Indexing cannot yield multiple results error
Ole, the problem is in this statement vx = vx + ax*dt vy = vy + ay*dt These should be two separate statements. Change it ...

mehr als 11 Jahre vor | 0

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Lego mindstorms NXT support package
Nauman, in MATLAB simply go to |Resources > Add-Ons > Add Hardware Support Packages|, select and download the NXT package for fr...

mehr als 11 Jahre vor | 0

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How do I plot this function in MATLAB?
Michael, use something like [x,y] = meshgrid(0:0.1:5,0:0.1:5); Z = sin(sqrt(x.^2 + y.^2))./(sqrt(x.^2 + y.^2)) ; surf(x,...

mehr als 11 Jahre vor | 0

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Second Y-axis on the figure window
Aftab, use |<http://www.mathworks.com/help/matlab/ref/plotyy.html plotyy>|. Alternatively, use <http://www.mathworks.com/help/ma...

mehr als 11 Jahre vor | 0

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Problem with using lsim which lead to row and column error ?
Hello Raymond, your system has two inputs, therefore |w| needs to be a 2-by-n array, rather than a 1-by-n. Use instead: ... ...

mehr als 11 Jahre vor | 0

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How to move a circle on a sine curve?
Airas, use something like ... h = fill(x,y,'y'); axis ([0,200,0,50]) axis equal axis manual for ii = 0:200 ...

mehr als 11 Jahre vor | 1

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Plotting multiple graphs in one plot.
Hello anton, there is no attachment. But if you can plot one curve, you can do several as well: t = 0:0.1:1; a1 = rand(...

mehr als 11 Jahre vor | 0

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Error occurs while executing state space parameters using idss?
PARASSURAM, check the size of the matrices. It looks like your |D| matrix needs to be a 1-by-2 (rather than a 1-by-1). |K| sh...

mehr als 11 Jahre vor | 1

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Getting a mean of only the numbers
Evelyn, use mean(data(~isnan(data)))

mehr als 11 Jahre vor | 1

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Bug in R2014b? Markersize specifier resets marker type
Hello Wouter, the default <http://www.mathworks.com/help/matlab/ref/plot.html#inputarg_LineSpec marker size> is 6. So you probab...

mehr als 11 Jahre vor | 0

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Why isn't this plot looking correct?
Tyler, I am not sure what you are looking for. However, it seems like you did get what the exercise is asking for. Note, that th...

mehr als 11 Jahre vor | 1

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Why is laplace not working?
Hilary, you probaby do not have the Symbolic Math Toolbox installed and/or licensed. At the MATLAB command prompt type which...

mehr als 11 Jahre vor | 0

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How to define which variable is x and which variable is y axis?
John, simply use plot(b,c) The first argument is the |x| the second the |y| axis. Or, if you want to show both solution b...

mehr als 11 Jahre vor | 1

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i am getting an error as Attempt to call constructor image with incorrect letter case.
Vetri, see this <http://www.mathworks.com/matlabcentral/answers/38498#answer_47982 answer> reference.

mehr als 11 Jahre vor | 0

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How to print the second largest of a group of the numbers
Rodrigo, you could use a = [1 2 3 4 5 6 7 8 9 10]; b = max(setxor(a,max(a)));

mehr als 11 Jahre vor | 1

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Matlab questions from newbies.
Eugene, MATLAB does not know about units and only takes care of the numerics. In other words, you need to make sure that the uni...

fast 12 Jahre vor | 2

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How can I use greek symbols in plot labels?
Merve, you mean something like lambda = 20:5:40; y = 1./lambda; plot(lambda,y) xlabel('{\lambda}') set(gca,... ...

fast 12 Jahre vor | 7

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i want to use fonction(unique) to get un string ,but it awlays shows Error using cell/unique?Can anyone tell me what I am doing wrong here? thank you
pengcheng, use P = [pa(1),pa(2),pa(3),pa(4),pa(5)]; H = unique(P); instead.

fast 12 Jahre vor | 0

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How can I write this function so I can use it on multiple values?
Use bmi = (w*4.88)./h.^2 instead. Note the dot in front of the forward slash.

fast 12 Jahre vor | 0

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Latex Interpreter - mean bar with subscripts
Use ylabel('$\bar{C}_{p_{A_L}}$','FontAngle','italic','Interpreter','Latex')

fast 12 Jahre vor | 2

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getting wrong values when coding
Guan-Yu, use instead scale = 0; quiver(x,y,u,v,scale) This turns off the automatic scaling of the arrows.

fast 12 Jahre vor | 0

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approximating pi with taylor series expansion to the 10,000th term
charlotte, you are almost there: l = 1; for ii = 1:10000 l = l + ((-1)^ii)/(2*ii + 1); end x = 4*l; * If the n...

fast 12 Jahre vor | 0

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Is it possible to check which part of the script is taking longer time for execuation ?
Prathamesh, you are looking for the <http://www.mathworks.com/help/matlab/matlab_prog/profiling-for-improving-performance.html P...

fast 12 Jahre vor | 2

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please explain this error
dav, I believe what you are trying to do is the following max([-3/2, 7, 1.4]) The values you want to find the maximum of ...

fast 12 Jahre vor | 3

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