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how to create an integral histogram representation of HOG in matlab?
These may help http://www.robots.ox.ac.uk/~vgg/software/ http://www.mathworks.com/matlabcentral/fileexchange/28689-hog-descri...

14 years ago | 0

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Basic matrix equation Ax=B with restrictions
you need to reduce the size of your stiffness and force matrix to eliminate those entries where you know the value of x. I call...

14 years ago | 0

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Custom Vector - make vector x to be [1,1,....]
x = ones(1,5)

14 years ago | 2

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Using Variables
please see http://matlab.wikia.com/wiki/FAQ#How_can_I_create_variables_A1.2C_A2.2C....2CA10_in_a_loop.3F

14 years ago | 0

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arrayfun for multiple least squares problems?
see if my answer on fitting multiple curves would help <http://www.mathworks.com/matlabcentral/answers/15522-curve-fitting cu...

14 years ago | 0

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Change the Scope color?
perhaps this can help http://blogs.mathworks.com/seth/2010/06/22/how-to-customize-the-simulink-scope/

14 years ago | 0

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Matlab function that returns first and then last name
one way s = 'joe smith' lcf = [s(find(isspace(s))+1:end) ',' s(1:find(isspace(s))-1)] lcf = smith,joe

14 years ago | 1

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Answered
determinant of singular matrix is non-zero
A = 32 8 11 17 8 20 17 23 11 17 14 26 17 23 26 2 ...

14 years ago | 0

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Machine arm problem, done most of it but having trouble inverting newton iteration.
let's first start with part b, which should be from your definition of p p = [ l*cos(a1 + a2) + r*cos(a1), l*sin(a1 +...

14 years ago | 0

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Linear regression model was working...save script file now its not???
The second argument for size() should be an integer, yet you are passing it Y. I am not sure what you want to accomplish in the...

14 years ago | 0

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sound() function playback ends after a few seconds
try: x = sin(2 * pi * f * n ./ fs); % note./

14 years ago | 0

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How change font size?
File>Preferences>Fonts

14 years ago | 0

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Answered
Remote sensing-change detection
perhaps instead of im2 = reshape(im,500*500,3); im3 = reshape(im1,500*500,3); you mean: im2 = reshape(im,500,500,...

14 years ago | 0

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How to write a function that does elimination?
http://www.mathworks.com/matlabcentral/answers/13667-solving-system-of-linear-equation-by-gaussian-elimination

14 years ago | 0

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Second-Order Difference
m = magic(4) Dd = diff(diag(m),2) %diagonal Dm = diff(diag(rot90(m)),2) %minor diagonal

14 years ago | 0

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Multiple regressions in a scatter plot
one way: *[edit: added pp]* pp = mkpp([0 5 10],[[.5,0];[4,2.5]]); x = (0:.1:10)'; y = ppval(pp,x); y = y+rand(101,1);...

14 years ago | 1

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Finding Linearity
Here is *one* way of accomplishing your goal (with the caveat that I have not tested this on different curves. I used <http://w...

14 years ago | 0

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[DISCONTINUED] Wish-list for MATLAB Answer sections.
OMG - they finally ordered "my answers" newest to oldest. (of course I had already blindly clicked to the last page)

14 years ago | 1

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Matrix operations
A is size 3x3, C is size 2x3, therefore: A.*C A*C C*A are all errors because of dimensions. Without further informati...

14 years ago | 0

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Answered
Which curve fitting function do I need?
lsqcurvefit() % optimization toolbox or lsqnonlin()

14 years ago | 1

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Answered
How to generate the circularly symmetric Gaussian with matlab?
if you have the Image Processing Toolbox you can use h = fspecial('gaussian',10,4) %adjust parameters to suit

14 years ago | 1

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Answered
How to create a custom color spectrum from an array...?
you can customize a colormap to your data, for example: jet(600); would produce the color map 'jet' to map your array t...

14 years ago | 0

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Finding Linearity
perhaps a simple check of the derivative find(abs(diff(y)) > tol) % where tol is a suitable tolerance *[edit]* maybe this ...

14 years ago | 0

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combination in matlab
doc nchoosek

14 years ago | 0

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how get it?
combnk('abcdefgh',3)

14 years ago | 0

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Image Processing
for each 8x8 block, you will want to calculate: im = rand(8)>.5; % generate image data xbar = 4.5; ...

14 years ago | 0

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Answered
How to count the number of extrema of image's histogram
im = imread('pout.tif'); [counts ,x]=imhist(im); counts(x > 200)

14 years ago | 0

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Answered
How to create test banch in matlab
why reinvent the wheel? <http://www.mathworks.com/matlabcentral/fileexchange/22846-matlab-xunit-test-framework xUnit Test Ben...

14 years ago | 0

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Dot product question
I assume you are calling from the Matlab command line syms cx cy h b a psi theta real B = [cx + b*cos(psi); cy + b*s...

14 years ago | 0

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cholesky factorization problems ASAP!
doc chol

14 years ago | 0