Answered
Shading an area across zero
I think you are looking for this: <http://www.mathworks.com/matlabcentral/fileexchange/3550-shadeplotforemphasis MATLAB CENTR...

13 years ago | 0

Answered
How to simulate basic markov chain
Are you looking to do a simple matrix multiply? v = [1 0 0] m = [0.3 0.2 0.5; 0.2 0.1 0.7; 0.1 0.5 0.4] v = v * m...

13 years ago | 1

Answered
Need Conditional ElseIf statement
(0<w(5)<255) You probably mean this: ((0 < w(5)) & (w(5) < 255)) Evaluating yours left to right: 0<w(5)<255 ...

13 years ago | 0

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Answered
vector accuracy comparison graphically
I would take the mean of the three and then plot the percent difference from the mean. It really depends on the nature of the d...

13 years ago | 0

Answered
Modify the surf function to plot a surface including the end points of incomplete data matrix?
You would need to make patches instead of surface if you want triangles. See patch command.

13 years ago | 0

Answered
What does this matlab statement mean?
The brackets are a null input. They are the empty matrix. In cases like this the function is likely demanding an input, but th...

13 years ago | 0

Answered
Reverse an array by for loop
a = fliplr(a)

13 years ago | 0

Answered
masking in RGB image
<http://www.mathworks.com/help/releases/R2012b/images/ref/impoly.html impoly>

13 years ago | 0

Answered
Data access in sparse matrix
The truth is, a test is worth a thousand expert opinions. Have you run this through the profiler to confirm that it is the ma...

13 years ago | 1

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Answered
how to write a while-loop for a function
flagMetTolerance = false while ~flagMetTolerance doMath flagMetTolerance = (error <= tolerance) end

13 years ago | 0

Problem

Siblings of a graphics object
Given a valid, scalar, handle of a graphical object: find the set of all objects that have the same parent as the original that...

13 years ago | 1 | 15 solvers

Solved

Siblings of a graphics object
Given a valid, scalar, handle of a graphical object: find the set of all objects that have the same parent as the original that...

13 years ago

Answered
surf plot grid line density
You seem to have learned how to turn off the gridlines. The best thing I can think to do is: hold on Then take a subset...

13 years ago | 1

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Answered
Experiences with release 2012b
*EDITOR NOTE: In the interest of putting these comments in the right place (answers to the question where they can be voted on) ...

13 years ago | 4

Answered
someone know how can i creat a zero crossing function for my code?
Do you want <http://www.mathworks.com/help/matlab/ref/fzero.html fZero>?

13 years ago | 0

Answered
FFT / Frequency Identification Real-Time compile capability
answered in comments

13 years ago | 0

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Answered
MATLAB toolbox wavelet time-frequency
answered in comments

13 years ago | 0

Answered
trying to make fft for this ifft code
answered in comments

13 years ago | 0

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Answered
create a 3d graph from a series of contours
i've finish, i used isosurface method..it works very good, ihave create a matrix x-y-number of plane

13 years ago | 0

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Answered
Interpolation and volume calculation
<http://blogs.mathworks.com/videos/2007/11/02/advanced-matlab-surface-plot-of-nonuniform-data/ Video answer>

13 years ago | 0

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Answered
How to vectorize a for loop?
400 Million long vector t seems excessive to me. What if you make it significantly shorter? I would lower your number of ite...

13 years ago | 0

Answered
Avoid for loops with if inside
If it is working, what are you trying to accomplish by changing it. Have you run it through the profiler to find out that this ...

13 years ago | 0

Answered
more than 256 colors in colormap no longer working
Currently, there is a 256 row colormap limit on the PC platform. The workaround is to manually reduce the colormap length, by ...

13 years ago | 1

Answered
I used the same data, but not get the same figure
<http://www.mathworks.com/help/releases/R2012a/toolbox/stats/kmeans.html KMEANS DOC> It looks to me like you are using the de...

13 years ago | 1

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Answered
Curve fitting in Matlab
params seems to be an input to the function. The code is pulling out specific values of that input and naming them something mo...

13 years ago | 0

Answered
How to turn a single vector into matrix in order to have mesh or 3D
x = linspace(-1,1); y = linspace(-1,1); [X,Y] = meshgrid(x,y); R = sqrt(X.^2 + Y.^2); surf(X,Y,R)

13 years ago | 0

Answered
change the color of multi lines in a graph
when you create each one, you can specify the color: colVec = [1 0 1; 0 1 1; 1 1 0] clf ...

13 years ago | 1

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Answered
Change color intensity of part of image
While I can not answer this entirely here, I can offer you this: Images can be stored in MATLAB as NxMx3. You can modify eac...

13 years ago | 0

Answered
random entry selection from a matrix
v = [1:10] vi = randi(numel(v)); choice = v(vi)

13 years ago | 0

Answered
start for loop from non zero value
look at the value of number_panels on the very first time through the loops: hourly_deficit(number_panels + 1, number_turbi...

13 years ago | 0

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