how to ascribe two values to a parameter such that it will be time dependent
You can pass an extra parameter to RiceG1 function using an anonmymous function. In your driver function add % extra anonimous ...

1 year ago | 1

Can someone help me implement my Kuramoto Model with time delay please?
Your function requires additional parameters. One way to pass them is to use an anonymous function as extra layer % params N =...

1 year ago | 0

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Euler's method in matlab
Any ODE solver gives the unknown function(s) as result, not its derivative. So, yes, your results are x and y. Note that in you...

1 year ago | 0

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for loop/periodic implementation for number or arrays?
If you want to force the max and min values of your vectors, you can preprocess them x0(x0 < 1 & x0 > nx+1) = 1; If the bounda...

1 year ago | 1

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How to get this while cycle?
if B and C are matrices, make them vectors using : while any(abs(a_0-a) > 1e-6) || any(abs(B_0(:)-B(:)) > 1e-6) || any(abs(C_0(...

1 year ago | 1

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how to find out node coordinates for a simple quad element?
It depends on your data structure: now your qeustion is rather vague. Assuming that you have the node coordinates in the Nx3 ar...

1 year ago | 1

Hwo to normalize a Matrix ?
Following the formula of the OT the normalization has to be done according to the max and min of each row. Note that the matrix ...

1 year ago | 2

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Solving nonlinear DE by reduction of order on matlab
There are some typos in your description of the problem. Here the correct version % your ODE - note that (y(1) and y(2) are exc...

1 year ago | 0

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creating array based in another array
Here a possible solution, where all arrays you want are in the columns of matrix a2 % number of entries in array 1 n = 5; % c...

1 year ago | 0

Warning: Matrix is singular to working precision.
The matrix is singular because the first three rows are linearly dependent. For example you can obtain row 1 as I guess there...

1 year ago | 0

how can i let all number in matrix X between 0~1?
If you want to scale your output in [0 1] you can use this X1 = (X-min(X))/sum(X-min(X)); in fact >> sum(X1) ans = ...

1 year ago | 0

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how to shift the plotting graph?
Not sure if it is what you want, but you can change the x-axis limits in this way: set(gca,'xLim',[5 20]) to show the portion ...

1 year ago | 0

Question

Real time GMRES convergence and stop callback
Dear Matlab users, I usually solve large linear problems using gmres. These simulations could last for several tens of hours. T...

1 year ago | 0 answers | 0

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Population growth in 7 years
Below you can find the output of the following code % rate r = 0.0063; % years t = 7; % initial population a = 5e6; t =...

1 year ago | 1

Question

Problem with Simscape variable visibility
Hi all, I have created a simulink model of a circuit using simscape electrical elements. I have also created two callbacks, Ini...

2 years ago | 1 answer | 0

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how to find parallel of resistors
Maybe it's too late for the OP, but for the records, I usually use an anonymous function with multiple inputs % ananymous paral...

2 years ago | 0

Nonlinear equation numerical solution
% params C = 1.2; D = 9420; E = -2.0; B = 0.1973; y0 =...

2 years ago | 0

Plotting a taylor series function of x^(1/3) centred at x=1728
One option is to use the built-in taylor function in symbolic math toolbox. If you want to use your strategy, there are some is...

2 years ago | 0

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Memory efficient alternative for meshgrid?
This is how to make the three-loop version analogous to the meshgrid version % some dummy values N = 300; x = linspace(1,10,N...

2 years ago | 0

Sorting Equal Elements of Matrix into Groups in Cell Array
I had the same problem to detect isolated nodes in a graph: conncomp is the matlab command that gets the job done: % create the...

2 years ago | 0

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Error using / Matrix dimensions must agree...
f is a vector, as well as W. So you must use the dotted version of the division (that is ./ that performs the operation elementw...

2 years ago | 0

Question

Copy Matlab Command Window without diary
Hi everyone, I would like to add an optional function command at the end of a script that logs the command window to a file. I...

2 years ago | 2 answers | 0

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Is it possible to create a program on matlab that's works on android?
Sort of https://it.mathworks.com/help/supportpkg/android/run-on-target-hardware.html?s_tid=CRUX_lftnav

2 years ago | 0

How to improve my code speed (for loop)
By profiling, the most computational intensive operations are x=T*(probe-ut)'; y=T*(gallery-ut)'; That calculation is inside ...

2 years ago | 0

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How to optimize only 2 variables in an objective function with 3 variables?
In this case you can set the upper and lower bound for that specific variable to the same value. Maybe it is not efficient but i...

2 years ago | 0

How to optimize only 2 variables in an objective function with 3 variables?
Why don't you remove theta from your objective function definition and call different_function inside function? function object...

2 years ago | 0

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How to change a column vector into a square a matrix?
Not as elegant as it could be but it works, especially for small matrices % matrix dimension n = 3; % your entries (here du...

2 years ago | 0

Calculate acceleration from velocity and time fron excel
acceleration = diff(data.Velocity)./diff(data.Time); Note that this vector has one entry less than the original ones, so you ma...

2 years ago | 0

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