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# Catalytic

Last seen: 2 días ago Active since 2019

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Input multiple arrays into function
Simpler example, L2 = [0 1/2 1/3 0 0 0 0; 1/3 0 0 0 1/2 0 0; 1/3 1/2 0 1 0 0 0; 1/3 0 1/3 0 1/2 0 0; ...

13 días ago | 0

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Problem with ploting exp function
If I had to guess, you have x and y reversed. [X, Y] = ndgrid(x, y); surf(X, Y, t(X,Y));

13 días ago | 1

Multiple fminbnd errors with a parametrized function
Here is a symbolic method, if that's what you wanted. syms t f(t) f(t) = exp(cos(t)) - sin((3^(1/2)*sin(t))/3); vpasolve(di...

alrededor de 2 meses ago | 0

Condensing code cannnot figure out easier function to use
threshold=30; %don't call this "max" blocklen=300; difference=rand(1,9268); N=numel(difference); Nc=ceil(N/blocklen)*blo...

alrededor de 2 meses ago | 0

Question

I have recently become a Matlab license administrator for my organization. I have a user who is trying to link his license to hi...

3 meses ago | 0 answers | 0

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How can I set max & min value but maintain the curve trend?
yourSignal = rescale(yourSignal)

3 meses ago | 0

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Bidirectional property and method definition with classes
If updatevalues is false, update properties normally (no links with other properties) <-- this means I cannot use the Dependent ...

3 meses ago | 0

Plot line with points at given distance
This may help, https://www.mathworks.com/matlabcentral/fileexchange/34874-interparc

3 meses ago | 1

Doing an example find the optimal state and optimal control based on minimizing the performance index, Fmincon error of scalar value
Do as the error message says. Test your cost function on its own and make sure it returns a scalar value before applying fmincon...

3 meses ago | 0

3-d order derivative
If the points are too close together, the difference between neighbours will be so small as to be dominated by floating point er...

3 meses ago | 1

Optimise a reference that cuts my curve into 2 equal sections
midline = trapz(x,y)/(max(x)-min(x))

3 meses ago | 0

Solve an equation not getting a result
>> solve(increment1==((1/3)*(k/(1+evide0))*((x-s1(i-1))/x))+((1/3*G)*(x-s1(i-1))) ,x) ans = -2.6278e-06

3 meses ago | 0

How to align the center of mass of two density functions?
xa=1:length(Na); xb=1:length(Nb); Nb=Nb + trapz(xa,Na.*xa) - trapz(xa,Na.*xa);

3 meses ago | 0

How to assign character/string in the for loop
name={flist.name}; n=numel(name); S.(fname)=cell(n,1); for i=1:1 S.(fname){i}=load(flist(i).name; end

3 meses ago | 0

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Close a specific area but do not close all the others
What if you convert the interior of the bubbles to foreground? load BW N=round(numel(BW)/10); BW=~BW; BW0=BW; BW=bwarea...

7 meses ago | 0

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How to display -180 to 180 in a loop
mod(180:5:360+180,360)

7 meses ago | 0

z1 and x variables in algebraic equations
"The equations that I am trying to solve are quite big that even wolfram does not provide a 'legible' answer." There is no poin...

7 meses ago | 0

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value of delta(w-w0) ?
The original expression that you gave is the simplest expression for the spectrum.

7 meses ago | 0

How to resize multiple folder images and save it in MATLAB?
Yes, that should be easy, but you haven't told us what part of it you're having difficulty with. If I had to guess, you are stru...

10 meses ago | 0

How to solve an equation with matrices?
Kx=( (B*Delta)\(Am-A) ).'; Kr=( (B*Delta)\(Bm) ).';

12 meses ago | 0

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slp method to minimize function
The error message was generated by your own code, in this line assert(length(x)==5, "x should be 5 elements long, but instead ...

alrededor de 1 año ago | 0

why vectorize function is not recommended?
A warning without an explanation is not a real warning. I say you just ignore it.

más de 1 año ago | 1

Problems running gpuArray function - CUDA driver
Matlab R2020a requires CUDA Toolkit 10.1.

más de 1 año ago | 0

EDITED: Variance when only one observation is not NaN
Omit 'omitnan'

más de 1 año ago | 0

3D reconstruction from a 2D image
and I tried to use streo calibrator but it is giving error ' Dimensions of arrays being concatenated are not consistent matlab '...

más de 1 año ago | 0

Line length and orientation angle of two or more intersecting lines
You should probably be using houghlines instead of regionprops.

más de 1 año ago | 0

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naming using a string function
s.(x)=B

más de 1 año ago | 0