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Using normpdf() and a for Loop to Generate Multiple Gaussian Random Variable Arrays
helpwin randn HTH, Coulda been more verbose, but here it's monday morning 0800

거의 11년 전 | 0

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Matlab command history question
To make things like such searches possible I have this in my startup.m-file: filename = fullfile('/home','bjorn','matlabrun...

대략 11년 전 | 0

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Pair-wise operation on two vectors that avoids double calculation
This made me curious about how the JIT-compiler performs. This function shouldn't do too many extra operations: function Ad...

대략 11년 전 | 0

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Gradient of a function of two variables?
If you want a symbolic-like gradient you'll have to do it with symbolic variables: syms x y F = x^2 + 2*x*y − x*y^2 ...

대략 11년 전 | 1

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Will it be possible to load MATLAB in a linux or ubintu OPERATING SYSTEM?
Yes. HTH

대략 11년 전 | 1

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angle-between-a-vector-and-the-positive-x-axis
Have a look at the help for atan2. HTH

대략 11년 전 | 0

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Faster method of creating list of looped row vectors?
kres=1; kz=0; K=[]; This is the way I'd go about it: x = -3:kres:3; y = -3:kres:3; z = 0; [x,y,z] = meshgrid(x,...

대략 11년 전 | 0

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How to solve overdetermined vector equation?
Use pen and paper, draw the standard little sketch for spherical-and-Cartesian coordinates... Then you get: a2 = acos(v3...

대략 11년 전 | 0

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How to fit multiple gaussians over a 3-D histogram
I think this should get the job done: [nHist,xHist] = hist(Data,extra,parameters); twoGausianFCN = @(pars,x) pars(1)*exp...

대략 11년 전 | 1

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Exact number of digits output in num2str
Well you get part of the way with %4.2f, as in num2str(pi,'%4.2f') that breaks down for large numbers alike pi*1e12, but...

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how can i take the anti log of my filtered(denoised) image...??
anti-log? Ought to be: D = exp(d); HTH

대략 11년 전 | 0

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how to realize 'contour' plotting with different spacings?
Instead of calling the function with 100 to get 100 iso-spaced contourlines you should calculate the potential-levels of interes...

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[DEPRECATED] What frustrates you about MATLAB?
That a call to contour where one specifies a single colour for the contour-lines still modifies the clims of the figure is frust...

대략 11년 전 | 1

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How do I find what row and column a specific element is in?
Seems you're asking for sub2ind HTH

대략 11년 전 | 0

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Solving a non-linear second order ODE with Matlab
Another pointer... You have in fact not separated your DE correctly. You get y1' directly from your DE if you change dp/dr wi...

대략 11년 전 | 0

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pls help me with matlab code for STFT of audio signal in wav format and to plot pitch contour
Have a look at the help for: spectrogram That function should give you the stft with a load of options about windowing a...

11년 초과 전 | 0

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bessel function at the matlb
Try the matlab help functions: lookfor bessel and then look at the help for the relevant function listed: help ...

11년 초과 전 | 0

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How to Reconstruct 3D model of an object from Biplanar X-rays of it using Direct Linear Transformation in MATLAB? Any link available?
In principle this cannot be done - the reason is (if I interpret the bi in biplanar as meaning that you have 2 X-ray images of t...

11년 초과 전 | 0

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how to add color pixels to a grayimage?
Exactly how you need to start off depends on your current image format, but I'll start with the assumption that it is an N x M d...

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How do I solve min ||y - A(x)||2 efficiently when A(x) is function (fourier ish) and x is large?
1, start rewriting your function A without calls to the fft-family functions - simply replace them with multiplications with the...

11년 초과 전 | 2

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How to enhance the historical text documents?
Seems like you have fairly good contrast already. I got some improvement with this: im = imread('DSC03961.JPG'); hsv =...

11년 초과 전 | 2

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Computing pseudo-inverse and norms using pinv
Well I have no idea why you should use the equation x=pinv(m)*b to get the pseudoinverse and the norms (whatever norms ...

11년 초과 전 | 0

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How to extract Color Histogram ?
These file exchange contributions seems to produce 3-D colour histograms: <http://se.mathworks.com/matlabcentral/fileexchange...

11년 초과 전 | 0

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converte UNIX time to Human readable format.
Take a look at datestr (or some of the other functions in the date-family): datestr(matlab_time,'yyyymmddTHH:MM:SS') or ...

11년 초과 전 | 1

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how to pass an argument to python?
Why not use sprintf? exce_str = sprintf('python %s if the first argument is a string %02d with a second integer ergument',s...

11년 초과 전 | 0

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How to do 2D extrapolation
My guess is that the "best" way to go about this is to use your data to estimate all coefficients in the wave-equation in cylind...

거의 12년 전 | 0

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using ode45 to solve a non-linear system of coupled ODE's
# in your definition of W you're mixing doubles and function handles. # write your ode-equations as one m-function - it become...

거의 12년 전 | 0

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diffusion model for 2D images
If I get this right... Linear diffusion you can calculate by straightforward convolution with a Gaussian kernel, and that ope...

거의 12년 전 | 1

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how to find contour inflection points?
Inflection points ought to be rather simple to calculate (function below should get the job done), but the actual contour-lines ...

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Radon transform in matlab
Why would you want to repeat the process in the first place? If you have data for every 0.1 degree (according to your calculatio...

대략 12년 전 | 0

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