Answered
How to take an exponential to a non-integer value?
You have created a variable named "exp" prior to the code you've shown. It needs to be cleared.

3 years ago | 1

Answered
Having trouble getting my gaussian filter to display filtered image.
% Load the image and convert it to grayscale if necessary img = imread('cameraman.tif'); if size(img, 3) == 3 img = rgb2g...

3 years ago | 0

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Answered
Trying to run my code in GPU
Your code isn't gettng the benefit of the GPU because you are not applying any parallelized functions to your gpuArray, A. In th...

3 years ago | 0

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Answered
How to standardize an array so that the maximum value is 1 and minimum is -1 keeping the zero value as zero?
A=[-1 -2 -3 -4 0 1] I=logical(A); StdA=A; StdA(I) = rescale(A(I),-1,1)

3 years ago | 0

Answered
generate 3d periodic geometry matlab
P=scale(nsidedpoly(1000),[1,2]*0.1); X=P.Vertices(:,1); Y=P.Vertices(:,2); Z=0*X; for i=1:30 patch(X+rand,Y+rand,Z+rand,'b'...

3 years ago | 0

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Answered
How to compute the centriod of a 2D gaussian
Download gaussfitn, https://www.mathworks.com/matlabcentral/fileexchange/69116-gaussfitn >> [X,Y]=ndgrid(1:10); >> params=ga...

3 years ago | 0

Answered
determine the outermost coordinates of a 3D object
Use freeBoundary

3 years ago | 0

Answered
parametrization of an ellipse
syms x y real ellipse=(x^2)/16+(y^2)/25==1; a=abs(solve([ellipse,y==0]).x(1)) b=abs(solve([ellipse,x==0]).y(1))

3 years ago | 0

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Answered
How do you find radius from input circle?
syms x y real syms r real positive c=2*(x-3)^2 + 2*(y+7)^2 == 8; c0=str2sym(extractBefore(char(c),'==')); sol0=solve...

3 years ago | 0

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Answered
So i want to curve fit special function ?
Just do an analytical fit, RSSI = [ -42.11, -46.395833333333336, -48.40816326530612, -53.91836734693877, -60.52542372881356, -5...

3 years ago | 1

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Answered
I have differnt coodinate after use fmincon
x0=[0 0]; lb=[-1 -1]; ub =-lb; fmincon(@distance,x0,[1,1],2,[],[],lb,ub) function f = distance(x) A=x(1); C=x(2); f= (...

3 years ago | 0

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Question


Is there a function to find the paired factors of an integer?
Is there a function in Matlab to find the pairs of factors that multiply together to give a specified integer, e.g, F=somefunc(...

3 years ago | 1 answer | 0

1

answer

Answered
Covert vector into an image using matlab?
n is not a perfect square, so sqrt(n) will not give you valid integer dimensions for your image. Choose different dimensions.

3 years ago | 0

Answered
how to check if inputs for my function are strings or vectors
function [output] = function(varargin) varargin(4:end)=[]; valid=all( cellfun(@(z)isstring(z) | isvector(z),varargin) );...

3 years ago | 0

Answered
Using optimization algorithms to find minimum path with obstacles
You could represent the forbidden area by a polyshape object, pgon, then form a nonlinear constraint function compatible with fm...

3 years ago | 0

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Answered
Using optimization algorithms to find minimum path with obstacles
It's doubtful you can do it with fmincon, but you might be able to do it by creating a graph object to model steps between allow...

3 years ago | 0

Answered
Align and stitch non-overlapping images
As seen from here, the blocks of 32 measurements can be slightly shifted vertically by few(1-4) pixels, So, wiuth 4 blocks and ...

3 years ago | 1

Answered
3D cylinder code debugging
Much of your code seems to be an unnecessary reinvention of the cylinder() command. nCS = 2; %number of cross section of cylind...

3 years ago | 1

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Answered
Resampling matrices in a loop using interp2
It is wasteful here to use meshgrid. Also, you should hoist C and R out of the the loop since they don't change with i: %re...

3 years ago | 1

Answered
Different output for find(X) and find(X<5)
Because the argument you've passed to find() is (X>0) which is a logical array. Therefore, the values returned are taken from th...

3 years ago | 1

Answered
Error 'lscurvefit' (Function value and YDATA sizes are not equal)
Since you have no bounds on K, you should probably just solve for K analytically, rather than iteratively with lsqcurvefit: K=(...

3 years ago | 0

Answered
Error 'lscurvefit' (Function value and YDATA sizes are not equal)
f = @(K, x) K(1) + K(2)./ x + K(3)./ x.^2;

3 years ago | 1

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Answered
Rounding a decimal down
x=0.147; floor(x*100)/100

3 years ago | 2

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Answered
How to store the results of a loop in matlab.
[B,C,m,k,c]= deal(cell(1,20)); A=nan(1,20); for t = 1:20 z=t-1; m{t}= [1.0, 0.89*sin(0.17*z); 0, 1...

3 years ago | 0

Answered
How to assign point name to points in an array and then plot them ?
names={'Jack','Fred','Emily','Carol','Donald'}; A = [0,1.5+1.5i,4.5i,-6.75+6.75i,-20.25]; n=numel(A); H=plot(graph(speye(n)...

3 years ago | 0

Answered
How to assign point name to points in an array and then plot them ?
Hi all, I would like to name my points that are inside a matrix. You could convert the matrix to a table with row names that yo...

3 years ago | 1

Answered
Can a function known whether/which specific output is ignored (tilde operator)?
You can do it with this FEX download, https://www.mathworks.com/matlabcentral/fileexchange/121487-outputnames but there are so...

3 years ago | 1

Answered
Equivalent of inputname() for output variables
I've implemented Jan's idea in this FEX submission, https://www.mathworks.com/matlabcentral/fileexchange/121487-outputnames b...

3 years ago | 0

Submitted


outputnames
Get a list of the output argument names of the currently executing function.

3 years ago | 1 download |

0.0 / 5

Question


Why doesn't evalin('caller','nargout') work?
Why doesn't the mynargout() function correctly return n=3? How can one programmatically evaluate nargout in the calling functio...

3 years ago | 1 answer | 0

1

answer

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