Answered
Convolving in Matlab
I think you want conv() instead of conv2

15 years ago | 0

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How do I calculate the gradient and the Laplacian of a FEM mesh?
why re-invent the wheel? http://www.mathworks.com/products/pde/

15 years ago | 0

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Help: Matlab2010a figure output
Another one of Oliver's contributions could also help http://www.mathworks.com/matlabcentral/fileexchange/23629-exportfig

15 years ago | 0

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statistical analysis, probabibility density function, negative log-likelihood values
Not sure about the negative log likelihood, but you could try a non-parametric estimate like Anderson-Darling for further valida...

15 years ago | 1

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why do answered questions get deleted?
I've noticed that some questions get deleted after being answered. I assume the OP thinks nobody else would benefit from the so...

15 years ago | 1 answer | 0

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Answered
Simple question on how to get fitted data matrix from fit function
I don't have the curve fitting toolbox, but if you had the design matrix you could multiply the design matrix by the coefficient...

15 years ago | 0

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image processing
F1(64:128,64:128)=[]

15 years ago | 0

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How to map 3d data in matlab
maybe you two should collaborate http://www.mathworks.com/matlabcentral/answers/4827-how-to-process-2d-images-into-3d-image

15 years ago | 0

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Grouped scatter plot with categories (strings) on y-axis (essentially stacked 1-D plots)
I guess barh() doesn't cut it either?

15 years ago | 0

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Calculate normal (directional) from polygons?
why not use the cross product from 2 edges? doc cross

15 years ago | 0

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sampling
doc linspace doc randn

15 years ago | 1

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write to file in exponential notation
how about strl = sprintf('r = %5.4e %5.4e ',r)

15 years ago | 0

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3D volume in a single variable of dimensions
how about x(:,:,1) = [the data copied from excel]

15 years ago | 0

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Problem with textread reading complex data
try textscan()

15 years ago | 0

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Solids of revolution Method of cylindrical shells.
This may be of some use: http://www.mathworks.com/matlabcentral/newsreader/view_thread/304831#827293

15 years ago | 0

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sum lognormal random variable
I might be missing something subtle, but... sum(variable)

15 years ago | 0

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Percent Error
Just use your definition of f to obtain all values at once (do not re-use variables like y1 etc): Percent_Error1 = abs((y1-...

15 years ago | 0

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Answered
i don't know why this error ,,
Perhaps you want: x = 0:2:50; dt=2; y = x+(9.8-(12.5.*x/68.1)).*dt; plot(x,y)

15 years ago | 0

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Modify last column in a matrix, replacing with an equally spaced range of values?
T(:,42) = linspace(4,-17,42)'

15 years ago | 0

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Answered
ODE analytical solution
simplify(dsolve('Dy=-x/y','y(0)=5','x')) ans = (25 - x^2)^(1/2)

15 years ago | 0

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Answered
find the sidelobe level
you can use diff() to see where the slop of the amplitude changes sign

15 years ago | 0

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Need help with looping a simple linear system
maybe you should change x & y to x = x-dxy(1); y = y-dxy(2);

15 years ago | 0

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random points
I would be less concerned about checking overlap. I don't know what you are trying to do, but perhaps this may be of some help ...

15 years ago | 0

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DATA ANALYSIS
I suggest going over the getting started documentation and taking a look at this x = 1:5; y = 1:5; t = -1:1/2:1; ...

15 years ago | 1

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Answered
Heron's formula w/points from polygon
How about: combnk(1:5,3)

15 years ago | 0

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DATA ANALYSIS
You don't need a loop x.'*y

15 years ago | 1

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Answered
How long have you been using matlab? tell us your story
I first encountered Matlab in the 90's working for a large aerospace company. I didn't have the opportunity to use it much then,...

15 years ago | 4

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Program to calculate the area between two parametric curves
use your equations to get Xfi,Yfi,Xoo,Yoo using B = 0:.1:2*pi then use a = trapz(Xfi,Yfi)-trapz(Xoo,Yoo) to calculat...

15 years ago | 0

Answered
How do I restore toolbox function
From the release notes of 2010b: New corner Function Detects Corners in Image The new corner function detects corners in a g...

15 years ago | 0

Question


How do I restore toolbox function
Apparently, I have lost the function corner() from the IPT. I have the function cornermetric() I don't do a lot of image proc...

15 years ago | 2 answers | 0

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