# Zach

Active since 2011

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Question

Streamslice on a manifold
Is it possible to draw a 2-dimensional *streamslice* on a manifold. I have my state space being a cylinder, and was wondering if...

10 years ago | 0 answers | 0

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Question

Solving time shifted differential equations
In my efforts to model traffic flow something that is interesting to consider is reaction time. I was looking at trying to model...

12 years ago | 1 answer | 0

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Question

Solving Matrix differential equations
I'm looking to solve a system of the type dxdt=A*x where dxdt and x are 1xn vectors and A is an nxn matrix. I know I can use som...

12 years ago | 2 answers | 0

### 2

Question

How to similuate a coin flip with probablility p
How do I simulate getting a result, either 0 or 1, with probability p. So if p=0.5 I should get an output of 0 half of the time,...

12 years ago | 4 answers | 1

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Question

Deleting a row or column of a matrix
I have a Matrix but I only need the first 20 columns of the matrix. I was wondering if there was a way to delete the rest of the...

13 years ago | 2 answers | 0

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Question

Controllability Gramian
I have a system of the form xdot= Ax + Bu. I have my A and B matrix defined. But I'm having a bit of trouble using the controlla...

13 years ago | 1 answer | 0

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Question

Ordering the closest points to a certain point
I have a randomly generated set of k points on a graph. I'm trying to order each points distance in reference to the other. Each...

13 years ago | 1 answer | 0

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Question

How do I get MATLAB to do overlapping plots, ie. not erase the old plot when adding to it?
I'm creating a GUI that gets a 'robot' to map out an area, so I need the robot to draw a circle at every different time step to ...

13 years ago | 1 answer | 0

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Question

Static Text GUI
Is there any way to put more than just regular text in a static text box, such as subscripts, superscripts or texts like x ̇ <==...

13 years ago | 1 answer | 0

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Question

GUI text box - Replacing a word entered in the text box.
I have a textbox in my GUI right now and I want the students to input something of the for "10*x(n)" , but for the code to work ...

13 years ago | 1 answer | 0

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vector composition
nevermind, got it figure out! g=[u v w];

13 years ago | 0

| accepted

Question

vector composition
If I have several vectors such as u=[x1 x2], v=[x3 x4], w=[x5 x6] is there anyway I can combine them to get g=[x1 x2 x3 x4 x5 x6...

13 years ago | 1 answer | 0

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Question

Multiple initial conditions differential equations
Is there a way to solve multiple initial conditions in the same ode solver?

13 years ago | 1 answer | 0

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Question

Creating an ordered list of vectors
I'm looking to create a list of vectors arbitrary in length. I was looking for something along the lines of: iterations=___ % ...

13 years ago | 3 answers | 0

### 3

Question

GUI Text box
In my GUI I have a text box where the input looks like x(n)=5*rand(1,1)+x(n); , In my m-file code I get the written statement fr...

13 years ago | 2 answers | 0

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Question

matrix plotting
If I have a matrix x=[1 2 3 4] and a vector y=[1 4 9 16] and make the matrix z=[x; y] what is the equivalent matrix plot of z to...

13 years ago | 1 answer | 0

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Question

Vector dependance
If I have two vectors x and y, and then create a matrix z=[x;y], is there any way that changes made to z affect the changes to x...

13 years ago | 1 answer | 0

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Question

GUI Creation
Hey I'm creating a GUI for a new engineering course. The GUI is for a project that gets agents to go around in a circle. Ultimat...

13 years ago | 2 answers | 1

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Question

School Project
Hi I'm doing a school project who's end goal is to take randomly placed 'agents' and eventually get them to follow each other in...

13 years ago | 1 answer | 0