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openExample('simscapeelectricalsps/GridConnectedPVArrayExample')
In previous releases (before R2023b) the command to invoke that example is ee_dual_active_bridge_control This requires Simscap...

8ヶ月前 | 2

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Struggling to Solve 2nd Order ODE with Multiple Initial Values
syms R(r) eqn = diff(R,2) == R-R^3-(1/r)*diff(R); [eqs,vars] = reduceDifferentialOrder(eqn,R(r)) [M,F] = massMatrixForm(eqs,v...

8ヶ月前 | 0

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Function that makes Anonymous Functions
When an anonymous function is created and the function has reference to variables that are not named parameters, then MATLAB ins...

8ヶ月前 | 0

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Converting string scalar to written code
You can write text to a file using writelines() or by using fopen() / fprintf() / fclose(), or by using fopen() / fwrite() / fcl...

8ヶ月前 | 1

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Starting with all symbols, ending with mixed symbols and number?
syms a b x %Expression y = (a/b)*x; newy0 = subs(y, [a b], [2 3]) newy1 = subs(y, [a b], sym([2 3], 'd')) newy2 = vpa(subs...

8ヶ月前 | 0

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An issue with matlabFunction
matlabFunction can produce vectorized code only if all of the following are true: the expression is scalar for scalar inputs t...

8ヶ月前 | 0

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how to define greek letter as syms in matlab?
MATLAB does not permit using greek characters as variable names. \ expressions cannot be used as variable names. However if yo...

8ヶ月前 | 1

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Fitting a nonlinear model in Matlab
num_samples_per_patient = 10000; %... signals = randn(num_signals, num_samples_per_patient); signals (and so X{1}) is goi...

8ヶ月前 | 0

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Hello, I'm trying to plot a normalized wave function of a free particle. My problem is normalizing the function. But get nothin. I use the following values, (10,100,10,10)
psi_i = (sin(k*Dx*(i+1)) + sin(k*Dx*(i-1))/(2 + (Dx^2)* (2*m/h_bar^2))); Unless your m is non-scalar, or your Dx is a n...

8ヶ月前 | 0

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How to calculate the area of this object in an image?
"area" could potentially refer to a physical quantity rather than just a pixel count. In order to calculate as a physical quant...

8ヶ月前 | 0

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How is the streamline function implemented?
streamlines() is implemented by calling stream2() or stream3() to figure out where the lines go. Then it just draws the lines. ...

8ヶ月前 | 0

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for loop inside while loop
count = 0; iters = 0; while count < 100 iters = iters + 1; a = randperm(100,20); for i=1:length(a) i...

8ヶ月前 | 0

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what does A/b mean when solving matrix Ax=b
If you have A*x = b then x = A\b is very likely what you need But if for some reason you want to know what meaning A/b would ha...

8ヶ月前 | 0

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Running Matlab in the linux background using nohup
I suspect that in your shell, matlab is an alias rather than an executable file on your path. For example on Mac, you would hav...

8ヶ月前 | 1

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How to solve the elements are different between X0 and H in quadprog
The initial value parameter, x_start in this context, must be a vector .

8ヶ月前 | 0

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Matlab Solve and simplify functions not working
V1 = -(760*(348475767795489804396578940311480912*3^(1/2) + 168032379110159424438402050627659277))/(3*(38588796620235615516044318...

8ヶ月前 | 0

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Can Matlab Home run on a Persistent Live Ubuntu USB Stick Operating System?
It is certainly possible to install MATLAB onto a removable drive, whether that drive is spinning rust, or SSD, or USB keychain ...

8ヶ月前 | 0

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Help with matlab Homework
As I identified in https://www.mathworks.com/matlabcentral/answers/2058504-need-help-with-matlab-homework#answer_1368659 you sh...

8ヶ月前 | 0

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How to open new command window?
https://www.mathworks.com/matlabcentral/fileexchange/48593-save-entire-command-history-updated-fast can be used to save the comm...

8ヶ月前 | 0

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How can evaluate the integral (r*bessilei(1,k*r)) dr, k is a constant?
syms k r solution = int(besseli(1, k*r), r)

8ヶ月前 | 0

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How to add calculated column to existing matrix in for loop
r2 = 40/1000; r3 = 120/1000; r4 = 70/1000; r5 = 60/1000; %t = linspace(0,5,500); t = (0:1:5); % 50 steps N = le...

8ヶ月前 | 0

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Why do I receive the error while running the code?
[ode1, ode2, ode3] = dsolve(eq1, eq2, eq3, 'u(x0) == u0', 'u(xn) == vn', 'w(x0) == w0', 'Dw(xn) == 0'); MATLAB is not able to s...

8ヶ月前 | 0

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I need help learning how to input a code of subdividing intervals equally
linspace Caution: linspace takes an parameter that is the number of points involved, not the number of intervals involved. The ...

8ヶ月前 | 0

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Is normalization necessary for input and output data in an Artificial Neural Network (ANN)? Does it impact the network's performance?
Is normalization necessary for input and output data in an Artificial Neural Network (ANN) No, it is not necessary. Does it im...

8ヶ月前 | 0

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How to use a global variable when using ode45()?
The first parameter to the ode function, often referred to as t, is mostly not an integer (but might turn out to be an integer b...

8ヶ月前 | 1

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Need help with Matlab homework
data = readmatrix("products inventory.xlsx"); You used readmatrix() to read from a .xlsx file. When readmatrix() works, the out...

8ヶ月前 | 1

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Why does abs cause bad matlabfunction evaluation?
You are taking the derivative of abs(), but abs() does not have a continuous derivative. You have the sub-expression abs(((x - ...

8ヶ月前 | 1

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Access property of class object found by "whos"
What you are looking for is VALUE = evalin(caller, s(matches).name + ".LastUpdate") We do not recommend this, however. If you...

8ヶ月前 | 1

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Unable to meet integration tolerances without reducing the step size
[t, u] = ode15s(@(t, u) MyODEs(t, u, Nx, dx, f, c, D), tspan, u0,options); ode15s is defined as passing a scalar value as the f...

8ヶ月前 | 0

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Interpolation across only 1 dimension for a multi-dimensional array
Use interp1(). The first input must be a vector; the second input can be an array of any size; permute() it so that you are inte...

8ヶ月前 | 0

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