Alex

University of Toledo

Active since 2011

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Creating user defined variables and solving systems with a script
Hi all, been a while since I needed a question answered, so here goes: I am creating a script that is used to solve a system ...

nästan 12 år ago | 1 answer | 0

1

answer

Question

Working backwards from a command window
Hey all, I had a strange question that I couldn't find an answer for, perhaps I could get some help here? A friend of mine wa...

mer än 12 år ago | 1 answer | 0

1

answer

Question

Help with a MuPAD error please
Hi, I'm trying to run a program I put together, but I keep encountering a MuPAD error partway through. The program is exactly t...

mer än 13 år ago | 1 answer | 0

1

answer

Question

MuPAD error
Hey all, I've been debugging this code for a while now, but I can't for the life of my find out what's wrong with this. When...

mer än 13 år ago | 0 answers | 0

0

answers

Question

Understanding data structures.
Hey all, I have a question about the data Matlab is presenting me with. When I run a program I have created, Matlab outputs t...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Help iterating
Hey all, I've been working with a program that uses data from a spreadsheet, and solves an equation for each row of data. I ...

mer än 13 år ago | 0 answers | 0

0

answers

Question

Troubleshooting tips
Hey all, I'm creating a function to pass to fsolve, to be solved in terms of V. When I run my program, however, Matlab retur...

mer än 13 år ago | 1 answer | 0

1

answer

Submitted

Solution of n and k for two layers
The purpose of this function file is to create a function to pass to fsolve.

mer än 13 år ago | 1 download |

0.0 / 5

Question

fsolve inputs
Hey all, I'm trying to pass some equations to fsolve, but I'm getting nothing but errors. I have 3 complex equations, and to ...

mer än 13 år ago | 2 answers | 0

2

answers

Question

Passing data to fsolve
Hey all, I'm trying to pass some equations to fsolve, but I'm getting nothing but errors. I have 3 complex equations, and to...

mer än 13 år ago | 0 answers | 0

0

answers

Question

fsolve with symbolics
Hey all, I've been working on some code, and I have two questions: 1) If I'm using fsolve, and one of my guesses is zero, wi...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Defining variables for fsolve
Hey all, quick question: I've been trying to pass along data to an fsolve command all morning, but I keep running into errors...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Finishing a calculation
Hey all, I've been analyzing lots of data recently, and thanks to everyone here, I've made great progress in learning Matlab and...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Could someone please explain...
...the following error? I've looked in the help files and in previous questions to no avail. I am setting up an iteration as f...

mer än 13 år ago | 2 answers | 0

2

answers

Question

Why is this variable "undefined"?
Hey all, here's my code: %This forgram will take 4 solutions of n1 and solve them. y = 250; n0 = 1; n2 = 1.69; k2 ...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Solve not working properly?
Hey all, I'm running a bit of code to solve for a variable in an equation. Here are the specs: theta = (2.*pi().*n1.*d...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Need some clarification
Hey all, I've got some code that's trying to solve a system of 6 equations using fsolve. It runs a loop, because the six equati...

mer än 13 år ago | 1 answer | 0

1

answer

Question

What causes this variation?
Hey all, I've got to nearly identical programs, and one of them works while the other doesn't. When I run: data = csvread(...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Matlab Limitation?
Hey all, I've been performing some calculations with Matlab, and I've been getting unexpected results. I've been trying to calc...

mer än 13 år ago | 1 answer | 0

1

answer

Question

iterating A Function
Hey all, quick question: Say I have some data: a,b,c 2,3,4 5,6,7 8,9,10 And an equation: 0=((a-b)./c)-R an...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Running an Iteration for single variable.
Hey all, I've been using a closure loop with fsolve to crunch data. The below code took 3 rows of data from a .csv, and plugged...

mer än 13 år ago | 0 answers | 0

0

answers

Question

Outputting Data in Excel
Hey all, I'm running the piece of code here: data = csvread('data.csv'); assert (mod(size(data, 1), 3) == 0, ... ...

mer än 13 år ago | 2 answers | 0

2

answers

Question

Solving Highly Irregular Non-Linear Equations
Hey all, I'm trying to solve a system of 3 highly irregular nonlinear equations using Matlab, but the solutions I get are not th...

mer än 13 år ago | 2 answers | 0

2

answers

Question

Defining Variables
Hi, I'm a fairly new user of Matlab, and I set up a list of variable definitions like so: n0=1; n21=1.694; n22=1.7046; ...

mer än 13 år ago | 1 answer | 0

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answer

Question

Altering Default MaxFunEvals
Hi, I'm having trouble altering the default number of evaluations (300) of an fsolve. My .m file looks like this (function omit...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Importing data at a regular interval for analysis
Say I have an array in a .csv file like this: a,b,c,d,e,f 20,1,10,100,1000,100 21,2,20,200,2000,200 22,3,30,300,3000...

mer än 13 år ago | 2 answers | 0

2

answers

Question

using .csv files with Matlab
Say I have an array in a .csv file like this: a,b,c,d,e,f 20,1,10,100,1000,100 21,2,20,200,2000,200 22,3,30,300,3000...

mer än 13 år ago | 1 answer | 0

1

answer

Question

Plotting help
Hi, I'm pretty new to Matlab, and I tried to execute this script: eq1 = '((((1.5-(x-(i*(y))))/(1.5+(x-(i*(y)))))+((((x-(i*y))...

ungefär 14 år ago | 1 answer | 0

1

answer