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Ross Hanna


Last seen: 5 years ago |  Active since 2017

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installing matlab and simulink on pi - 'verifying sudo user privilege failed'
hi there, i am trying to install matlab and simulink on my raspberry pi, but i keep getting the error 'verifying sudo user priv...

6 years ago | 1 answer | 0

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answer

Question


two plots are linked by an unwanted line - animated line
Hi all I am using animatedline to create an animation of a camshaft rotating and moving the bucket which sits on the valve. I...

6 years ago | 1 answer | 0

1

answer

Question


Include a second file in a script using logical indexing
Hi all I am creating a script to calculate the NOX output of an IC engine using Pressure Volume data. Unfortunately i cannot sh...

6 years ago | 1 answer | 0

1

answer

Question


connecting input signal and addition block to single gain block
Hi there I am trying to place an input signal (the height of a physical bump that a motorcycle is riding over) into a gain bl...

6 years ago | 1 answer | 0

1

answer

Question


how to create 1-(cos(x))^2 input to simulink mass spring damper system
hi there. I am currently trying to develop a simulink model to describe a quarter car model (dual mass spring damper) with a cur...

6 years ago | 0 answers | 0

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answers

Question


How to add known value of position to an ode45 acceleration problem
Hi there, Once again i am struggling with MATLABS ODE functions. I am using the differential solvers to find the acceleration...

6 years ago | 1 answer | 0

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answer

Question


Output argument "dydt" (and maybe others) not assigned during call
Hi everyone, I am trying to solve a second order differential equation, after finding the first orders using odeToVectorField...

6 years ago | 1 answer | 0

1

answer

Question


how to index next element in a vector/ row in a table
Hi all Sorry for such a simple question. I am trying to average some data, and i need a way to write in code; while the ve...

6 years ago | 1 answer | 0

1

answer

Question


how to find y values from smoothing spline curve fit and new x values
Hi there First of all, i'm unsure whether this question is sufficiently different enough to warrant a new post, if not, apolo...

6 years ago | 0 answers | 0

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answers

Question


Finding average value of multiple Y values for a single x value
Hi all I am doing some work with suspension dampers and trying to model them. To do this i have put a damper on a suspension ...

6 years ago | 2 answers | 0

2

answers

Question


How to solve system of second order differential equations
Hi there everyone. I am trying to solve a system of second order differential equations for a mass spring damper as shown in ...

7 years ago | 1 answer | 0

1

answer

Question


How to make output single column in the same line as your calculation
Hi there. Whether my google and matlab searching is just crap or it hasn't been asked i can't find the answer to the above quest...

7 years ago | 2 answers | 0

2

answers

Question


listlib::insertAt will not work in script
Hi there. I am trying to add a zero at the top of my vector so i can minus one vector from the other. Stating the reason may hel...

7 years ago | 1 answer | 0

1

answer

Question


how to get matlab to differentiate in increments of 1 rather than 0.01
Hi there. I am trying to use forward velocity data from a motorcycle to find the suspension position. When doing this i need the...

7 years ago | 0 answers | 0

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answers

Answered
diff(x) is different to diff(fit)
Thanks for the very quick answers! The sgolayfilt worked best as fft was giving complex answers. however, how do you decide what...

7 years ago | 0

Question


diff(x) is different to diff(fit)
Hi there. I have got some data from a wheel speed sensor on a motorcycle and i am trying to process it to get the driving force....

7 years ago | 3 answers | 0

3

answers

Question


how to find value of y from a graph with a known x value
Hi There I already have another question up on this subject but i think i may be over-complicating what i'm trying to ask. I...

7 years ago | 1 answer | 0

1

answer

Question


How to find average of two lines on a graph
Hi there. I am doing some research into computing suspension characteristics of motorcycle suspension. We have used a suspens...

7 years ago | 1 answer | 0

1

answer

Question


how to bypass error of assume being undefined - Undefined function 'assume' for input arguments of type 'logical'
Hi there. i have only just recently posted on this forum as i had an issue with getting an actual answer from "solve". i fixed t...

7 years ago | 1 answer | 0

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answer

Question


Warning: The solutions are parameterized by the symbols: z
Hi There This is my first time posting, as i am new to matlab, so apologies if i have missed some etiquette that i know there...

7 years ago | 1 answer | 1

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