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DURCHSCHNITTLICHE ANZAHL DER LIKES
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Nonlinear Newton solver fails near resonance for porous moonpool model
You cannot stick to the points "T" that you prescribe in advance to compute "eta". If the Newton solver diverges, you should hal...
etwa 21 Stunden vor | 0
Topology Optimization - Multiple Loads with a circle
That's how I understand what changes have to be made to the code (although the free upper left zone isn't properly resolved). n...
ein Tag vor | 0
pinv function is supported for dlarray input while the pageinv function is not supported
Answer from AI: As of the latest MATLAB releases, pageinv does not directly support dlarray inputs. Standard matrix inversion f...
4 Tage vor | 0
| akzeptiert
How to pass step forcing function in system model to ode15s
You will have to stop the integration when the inputs get discontinuous and restart with the results obtained so far, maybe with...
8 Tage vor | 0
| akzeptiert
MATLAB Phase Plane App: Can I Increase the Precision of the Reported Equilibrium Eigenvalues?
@Kaylie This is what AI gives as an answer to your first three questions: No, there is no built-in toggle or setting to change...
9 Tage vor | 0
How to import mf4 file and display in UITable within AppDesigner?
Answer from AI: To read .mf4 (Measurement Data Format version 4) files in MATLAB, use the built-in mdfRead function. This funct...
22 Tage vor | 1
| akzeptiert
Actualización de la fecha en la expedición de un certificado
Answer from AI: To update the date on your MathWorks certificate, make sure you select the specific current MATLAB release/vers...
24 Tage vor | 1
Please help me determine positive values of s and h(s,h>0) such that L1 and L2 have opposite signs. Then print L1 and L2
For L1 and L2 to have opposite sign, you can remove equal multiplicative factors in both L1 and L2. So L1d and L2d in L1d=a1*s...
etwa ein Monat vor | 0
knnsearch() fails when using kdtree NSMethod
This might be an explanation for the different results (from AI): KD-Trees optimize lookups by comparing bounding boxes and spl...
etwa ein Monat vor | 2
| akzeptiert
How can I make maximum points of curves in 2nd region curves not as triangles?
Use % Plotting each curve with a distinct color and label plot(r_vec(1:100),real(u_vals(1:100)), '-', 'Color', colors(m,:)...
etwa ein Monat vor | 0
How can I get the limit of function val as mu2 tends to zero & infty?
You must define all parameters involved in the computation of val - either as symbolic variables or as numerical values. Thus ...
etwa ein Monat vor | 0
| akzeptiert
How can I get the inversion Laplace to function val?
According to the final value theorem, it holds that lim (t -> Inf) f(t) = lim (s -> 0) [s*F(s)] Where: t is the time in the t...
etwa 2 Monate vor | 0
Have I used the global variable in a wrong way?
The global variable has to be set to a certain value before it is first used. So as far as I understand your workflow, you can't...
etwa 2 Monate vor | 0
Unrecognised function or variable helperPlotPaths
If you open the Active Sonar Example in MATLAB Online, you will find this function. https://uk.mathworks.com/help/phased/ug/und...
etwa 2 Monate vor | 1
| akzeptiert
Rapid calculation of the number of points in a circular neighbourhood
Did you try "pdist" ? https://uk.mathworks.com/help/stats/pdist.html But maybe the distance matrix D will become too large in...
etwa 2 Monate vor | 1
| akzeptiert
i have coupled odes with slip boundary conditions.
Can't you deduce an analytical expression for w'' with only derivatives up to first order of the other solution variables and in...
etwa 2 Monate vor | 0
fitting is not working
As far as I can see, the function f(x) = p*(1-2*p./x.*tanh(x/(2*p))) is monotonically increasing (the first parameter params(1) ...
etwa 2 Monate vor | 0
How to call kummerU for a stand alone program
As far as I know, nothing in the symbolic toolbox can be compiled. And "kummerU" is a symbolic function ... Try to find a relia...
3 Monate vor | 0
Can I solve a symetric system using only the lower triangular portion of the matrix?
Consider A = [0 0;1 0]. Then A is lower triangular and singular. But A + A' = [0 1;1 0] is regular. So why do you think Afull s...
3 Monate vor | 0
Volume and Surface Area of a Compound Geometric Object
Code for volume and surface area. You might want to try to vectorize the for-loops. c1 = [0 0 0]; c2 = [sqrt(2) 0 0]; c3 = [s...
3 Monate vor | 1
| akzeptiert
error from Interpolation of the attached data
clear all load('data.mat'); [x1,i1] = unique(x1); y1 = y1(i1); [x2,i2] = unique(x2); y2 = y2(i2); figure(1);plot(x1,y1...
3 Monate vor | 1
| akzeptiert
PDEPE for root diffusion in soils
In my opinion, the boundary condition at x = 0 is not correctly set. Your boundary condition is D*dc/dx = h*(c-c_atm) "pde...
3 Monate vor | 0
my matlab says i dont have a valid licence
https://uk.mathworks.com/matlabcentral/answers/1819010-why-do-i-receive-mathworks-licensing-error-5005-you-do-not-have-a-valid-l...
3 Monate vor | 1
Solving diffeerntial equations numerically
If you want solutions at multiples of dt without interpolation, the only way I can think of is to call the ode integrator in a l...
3 Monate vor | 0
Error in simscape when computing derivative
Can you compute der(linPosition) ? If this is the case, you get an algebraic equation for omega = der(theta): Write the first...
4 Monate vor | 0
| akzeptiert
Find x values where y values are the same from a set of data.
First column is voltage from D8 (multiplied by 1e-8), the following columns are the times this voltage repeats in D2 afterwards....
4 Monate vor | 1
| akzeptiert
fegeometry telling my I have infs or nans when I do not
You already checked most of the following possible issues. Checking for very large/small values instead of NaN/Inf, checking for...
4 Monate vor | 0
Anyone who can help on the bvp4c code?
Reducing the Deborah number gives smooth results. I guess 1-De*max(f)^2 (i.e. the factor in front of f''') should remain posit...
4 Monate vor | 0
| akzeptiert
persistent variable from previous run is not deleted during a new run of my .m file
Using two .m-files instead of only one script seems to solve the problem according to https://uk.mathworks.com/matlabcentral/an...
4 Monate vor | 0
Implicit finite difference scheme in MATLAB for 1D Mobile-Immobile Model (MIM) with linear sorption and degradation
Substitute the right-hand side of the equation for the Immobile Region for the expression theta_im*R_im*dC_im/dt in the equation...
4 Monate vor | 0
