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Brendan Görres


Last seen: 3 years ago |  Active since 2018

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

3 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Question


Surface Roughness Metrology Tool according to ISO 25178
Hi everyone, I am looking for a Matlab Tool/Function that provides surface roughness values (Sa,Sz,W), out of an input vector t...

4 years ago | 0 answers | 0

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Plot range of values in a bar graph
I am looking to create a bar graph that outputs a certain range of values, for example the minimum to maximum temperature of a B...

4 years ago | 2 answers | 0

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answers

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Using for loop to extract data from a matrix
I am trying to etract certain data from a matrix into a single row vector with the length of the vector depending on the number ...

4 years ago | 1 answer | 0

1

answer

Question


Import connected cell values into an array
Hey guys, I am trying to import certain data from a 1756x2 cell array "aParts" into a vector. The cell array contains element...

4 years ago | 0 answers | 0

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Question


Why do I get same plotting results for different inputs?
Recently I am trying to solve a system of equations with ode15s. The goal is to calculate the Ascent trajectory of a Rocket with...

5 years ago | 0 answers | 0

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answers

Question


Solving Equations of motion with ode15s
Recently I am trying to solve a system of equations with ode15s. The goal is to calculate the Ascent trajectory of a Rocket with...

5 years ago | 0 answers | 0

0

answers

Question


Proper set up of fmincon including ODEs
I am actually trying to understand how the fmincon function is used in a little more complex way(including solving ODE). So I th...

6 years ago | 0 answers | 0

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Too many Input arguments
I am trying to optimize the attached problem, but I always receive these errors Error using objfuntest>@(X)ODEtest(X,g0,Isp,thr...

6 years ago | 1 answer | 0

1

answer

Question


Solve system of differential equations with embedded non differential equation
I have a system of 5 differential equations that I want to solve. The problem is that 2 of these equations contain a value alpha...

6 years ago | 1 answer | 0

1

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Question


Solving 2nd order differential equation using ode45
I am trying to solve this equation x=0.5*x''*t^2; Initial guess x(0)=0;%starting point x''(0)=0;%starting acceleration So t...

6 years ago | 1 answer | 0

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Question


Is there an Optimization Tool that returns a function?
Hey:) So this is my problem: I want to maximize the final mass of an ascending rocket into an orbit by controlling the traject...

6 years ago | 1 answer | 0

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Question


Failure in initial nonlinear constraint function evaluation. FMINCON cannot continue.
Hey Guys, My goal is to optimize the EoM that I implied in the constraint file, so that the 5th EoM (dmdt) gets as low as possi...

6 years ago | 1 answer | 0

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Question


How do I correctly use the Syntax of fmincon?
I am trying to optimize a flight path. I have the following equations of motions: dydt=(thrust*sin(alphat)/m*v)-gh*cos(y)-v*cos...

6 years ago | 1 answer | 0

1

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Question


Which Optimizer should I use?
Currently I am working on a code that optimizes the flight path of an ascending rocket to a final orbit in terms of mass reducti...

6 years ago | 1 answer | 0

1

answer

Question


Low Level Graphics Error
After running my code MatLab experiences a low Level Graphic Error. If I open the "opengl info" function Matlab says Software='f...

6 years ago | 1 answer | 0

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Question


Solve differential equation Systems with ODE45
I want to solve a differental equation system with ODE45. close all;clc; %basic planet/moon Parametres% re=6378e3; ...

6 years ago | 2 answers | 0

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