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How to convert Matlab cell array into Python numpy array?
In matlab, I generate a random # of images of the shape (130,100) and save them one by one in a cell array. I then need to impor...
fast 2 Jahre vor | 1 Antwort | 0
1
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How to convert Matlab Cell Array into Python Numpy Array?
In matlab, I generate a random number of images, each of the shape (130,100). In this case, the number of images generated was 9...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to output maximum displacement from this topology optimization function?
I'm using this 'top99neo' topology optimization code to generate structures: top99neo . The code generates a compliance value,...
fast 2 Jahre vor | 0 Antworten | 0
0
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How can I smooth out the voids/holes created with topology optimization algorithm?
I'm using this 'top99neo' topology optimization code to generate the following structures: top99neo As talked about in the pape...
fast 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Matlab function (fsparse) from github produces an error- why?
So, I'm calling the function "top99neo.m" from this research paper: https://www.topopt.mek.dtu.dk/Apps-and-software/New-99-line-...
etwa 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Plotted image is clear but saved image is blurry- why?
I'm using the 99 line topology optimization code (found here -click the link "top.m"). When I run the following code in a sepa...
mehr als 2 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
Why does modified 99 line topology optimization code outputs blurry images?
Hello, So, I modified the 99 line topology optimization code found here , so that it has the following boundary conditions (see...
mehr als 2 Jahre vor | 0 Antworten | 0
0
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How to generate a matrix of random decimal values from -1 to 1?
I want to generate a 8x10 matrix full of random decimal values from -1 to 1, each with EXACTLY 6 decimal places (i.e 0.523483, -...
etwa 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to convert "64x128 single" into "64x128 double"?
I imported an array from python with this shape: (5, 25, 64, 128, 1) It's 5 sets of 25 images that are 64x128. I tried plotting ...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to define multiple constraints for fmincon?
Hi, I'm trying to minimize the formula below. I've done most of the code except I can't quite figure out how to account for the ...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to convert a matrix into a vector that has each row as an array?
For example, say that I have this matrix: [a b c d; e f g h; i j k l] To use in python (and to save as .npy), I need the foll...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Error when calling a jupyter notebook file from matlab
So, I'm trying to run a jupyter notebook file from a matlab script: status = system("runipy K-meansCBeam.ipynb") *runipy i...
fast 4 Jahre vor | 1 Antwort | 0
1
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How can I run a jupyter notebook script from matlab?
I already tried running matlab from jupyter using Oct2Py but it didn't work (error after error). So, I'm wondering if I can use...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to convert image file name "1.jpg" into a string or # in a list, list= [1]
SIMPLE QUESTION: How to convert a image file name "1.jpg" into a string or # "1"? Ignore what's below (unless you have the time...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to save images from for loop to use for machine learning algorithm?
I have a for loop that generates a different image each time it loops. I want to save each of these images to input them into a...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to save each image generated in a for loop?
for i=1:20 volume=randi([2 10], 1,1) location=randi([10 100], 1, 1) imagegenerator(volume,location) end ^...
fast 4 Jahre vor | 2 Antworten | 0
2
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Unrecognized function or variable 'phload.'
numdesigns=5 nelx=30; nely=30; for i=1:numdesigns volfrac=round((.3+(.8-.3)*rand(1,1)),1); %random # from .3 to .8 ...
fast 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to automatically add/subtract lines of code into a matlab function for several iterations?
So, I have this topology optimization function (models a beam problem with supports/loads on it). It takes 5 input variables a...
fast 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
How to fit a lorentzian function to this raw data?
My research mentor asked if I could help him curve fit the Lorentzian to some raw data. Disclaimers: 1) I have no experience wi...
mehr als 5 Jahre vor | 0 Antworten | 0
0
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Simpson's Rule to find total work
If I'm given time=[0,#,#,#,#,#] and velocity=[#,#,#,#,#,#] and Force=[#,#,#,#,#,#], how could I use Simpson's rule to find t...
mehr als 6 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Trapezoidal rule to find total work?
I'm given 6 values for time, Force, and velocity. And I'm told to find total work with trapezoidal rule. (first time value is ze...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Least squares Exponential fit using polyfit
Let's say I'm given x=[11,60,150,200] and y=[800,500,400,90] These are just random numbers (but imagine the solution is in the ...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Why can't I put two equations in one function file?
function a,b=myfunction(x) a= @(x) 5-5*exp((1/3)*x) + (16- x^2)^(1/2) b= @(x) (-5/3)*exp((1/3)*x) - (16- x^2)^(-1/2) ...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
bisection method disadvantage?
So, I wrote code for a function to find its roots using the bisection method. I used initial guesses x=4 and 6, knowing that the...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
false position method to find zeros, not plotting zeros
Can someone tell me why this code is not finding/ plotting the roots for my function? I created a plot for function. Then, I wr...
mehr als 6 Jahre vor | 0 Antworten | 0
0
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function that accepts vector
Can someone explain why I must use ".^" in the first function but then ".*" in the second? (for both to accept vectors and scala...
mehr als 6 Jahre vor | 0 Antworten | 0
0
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Function won't accept vector
function result = g(x) result= (2*x*exp(cos(6*x))*exp(-x)) + 15 " Error using * Inner matrix dimensions must agree." ...
mehr als 6 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
bisection method error between approximation and actual root
Does anyone know what this question is asking? "How many iterations of the bisection would be needed to ensure that the error b...
mehr als 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
subscript indices error with function file (bisection method)
function result=guess(x) xleft=x(1,1); xright=x(1,2); f(x)= x.^3 - 4.9*x.^2 +6.76*x-2.013 if f(xleft)*f(xright)<0 ...
mehr als 6 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Determine if valid initial guess for closed numerical method
If I'm given a function f(x), how can I determine whether say [0 1] or [1,2 ] are valid initial guesses for a closed numerical m...
mehr als 6 Jahre vor | 1 Antwort | 0