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Wesser


Last seen: 1 year ago Active since 2020

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monte carlo from lognormal distribution?
Hi, I know how to select from a normal distribution...for example: Cons = unifrnd(0,800); But how does one select from a l...

1 year ago | 2 answers | 0

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answers

Question


How to concatenate columns of varying lengths, generated by a for loop, into a matrix?
How to concatenate columns vectors of varying lengths, generated by a for loop, into a matrix? num_sim = 1000; %1000 m...

1 year ago | 1 answer | 0

1

answer

Answered
textscan of mixed data type data file
So I originally had the script as below. It works perfectly when all the Obs_Node.out files have the same number of rows. But ...

1 year ago | 0

Question


Second to last row?
I'm created a function to read output files of varying length. However I want the function to read the data until the second to...

1 year ago | 2 answers | 0

2

answers

Question


Coalesce data from 1000 monte Carlo simulations with different data file lengths?
Hi all, I'm trying to coalesce data from 1000 monte Carlo simulations of contaminant infiltration into the ground. Each Monte C...

1 year ago | 2 answers | 0

2

answers

Question


Number generator for 0.00006 to 30 range
I am attempting to run monte carlo simulations and wanted a random number between the end members of 0.000069 and 30 to populate...

1 year ago | 2 answers | 0

2

answers

Question


How to remove a slash from fullfile?
I want the file path for wtf to read: 'C:\Users\jessi\Desktop\HydrusMC\Simulations\MC_1\Obs_Node.out' but with the code as scri...

1 year ago | 2 answers | 0

2

answers

Question


Error with fgetl....why?
Matlab keeps giving me a hard time: "Error using fgets Invalid file identifier. Use fopen to generate a valid file identifier....

1 year ago | 1 answer | 0

1

answer

Question


How to close a dos window after a .exe is finished running?
When I run the .exe outside matlab i have to press enter to close the dos window. It is only then that I can re-run the .exe fo...

1 year ago | 3 answers | 0

3

answers

Question


How to open file, clear content, rewrite conent and close.
Hi, I'm trying to open a .dir file (same as a .txt file) clear the content, rewrite the content and then close. The content is...

1 year ago | 2 answers | 0

2

answers

Question


execute .exe in subdirectories?
Hi, The .exe I am using doesn't work well when calling files outside its current working directory. So I have copied the .exe...

1 year ago | 1 answer | 0

1

answer

Question


can't get sequential .exe execution to occur in matlab
Hi, I'm trying to copy a reference file LEVEL_01.dir to a number of number of sub directories and then change the content of LE...

1 year ago | 1 answer | 0

1

answer

Question


Can't get matlab to run a .exe file...
Here is my code: clear all; clc; %Solute transport parameters in row 47 of SELECTOR.IN file SolTrans=[0.035 0 1 0.0479 0 0 0...

2 years ago | 1 answer | 0

1

answer

Question


fgetl - still a valid function?
I am trying to adapt someonelse's old (~2010) code for my use (run monte carlo of another program) . The old code uses the funct...

2 years ago | 1 answer | 0

1

answer

Question


How to couple Matlab to other model for monte carlo simulations??
Hi, I am using Hydrus to simulate 1D unsaturated water flow. I would like to create a matlab file that can call the hydrus .e...

2 years ago | 1 answer | 0

1

answer

Question


How to implement Bayesian data analysis following a simple monte carlo application?
Thanks for taking the time to read this and for possibly lending some help! I have made a toxicokinetic model that has three pa...

2 years ago | 0 answers | 0

0

answers

Question


How to segregate data?
I have a dataset of people's (columns) residential history over time (rows, years). numbers 1-3 mean the person lived in one ...

2 years ago | 1 answer | 0

1

answer

Question


Conditional Scatter plotting based on third data set
The b[e]low matrix represents 5 people (columns) over time (each row is a year). I'd like to generate some script that, returns ...

3 years ago | 2 answers | 0

2

answers

Question


Plotting multiple boxplots in same window...array for each boxplot is not the same length...causing error
Hi, I'm trying to plot multiple boxplots in the same figure, but the column vectors associated with each boxplot are not the s...

3 years ago | 1 answer | 0

1

answer

Question


How to stack histograms
Hi, I'm trying to stack histograms but I'm not having any luck. I would like the data for Security (in blue) to plot along the...

3 years ago | 1 answer | 0

1

answer

Question


Don't want box plots to overlap...
Hi, I'm trying to get two boxplots to plot next to each other and NOT overlap (as is the case with the below code). I would a...

3 years ago | 1 answer | 0

1

answer

Question


Conditional histogram plotting help
Hi, I'm trying to figure out how to plot only certain output data if certain conditions are met. I have a 10000x207 matrix. E...

3 years ago | 0 answers | 0

0

answers

Question


Save Monte Carlo output
This is probablly a silly question, and I'm missing the obvious, but how does one save the output of monte carlo iterations, wit...

3 years ago | 1 answer | 0

1

answer

Question


How to reference points in time in a matrix?
I have 4 columns of time-series data ranging from t=1 to t=10. I am interested in WHEN each time series become greater than zer...

3 years ago | 1 answer | 0

1

answer

Question


Recursive line dysfunction and indexing question
Hi, I think this would fall under recursive function dysfunction but I'm in the weeds right now so I might be off with my title...

3 years ago | 0 answers | 0

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answers

Question


Help with running a Monte Carlo please...and another question :)
Hi there, My code is broken up into the following segments: Lines 7-54 : import data and preallocate for later matrices Lines...

3 years ago | 1 answer | 0

1

answer

Question


Index exceeds the number of array elements (1) ERROR - not sure why.
I keep getting this error...but don't know why! It's a simple addition equation...for a series of vectors. My code and excel d...

3 years ago | 1 answer | 0

1

answer

Question


How to reference a previous step in a for-loop? ALSO how to trigger a loop to stop?
Hi, I have the following equation: for t=1:length(TimeXaxis) C(t) = D(t-1) + I(t) * 0.91 / Vd(t) - E(t-1) end that I ...

3 years ago | 1 answer | 0

1

answer

Question


How do you get matlab to import/read a column vector of strings or characters??
How do you get matlab to import a column vector of strings or characters?? [zone]=xlsread('Tox_model.xlsx',2,"E5:E10"); E5-E...

3 years ago | 1 answer | 0

1

answer

Question


the results from one timestep feed into the subsequent timestep?
Hi, I have the following equaiton: dCs(t)=(I*Ea/Vd)-(Ke*Cs(t)); This is a single compartment toxicological model. ...

3 years ago | 1 answer | 0

1

answer

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