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# Jorg Woehl

### University of Wisconsin-Milwaukee

Last seen: 13 dagar ago Active since 2015

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

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MATLAB Basic: rounding IV

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MATLAB Basic: rounding III

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MATLAB Basic: rounding II

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

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Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

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getOSfont
Name and size of the system user interface font (default system font)

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points2axes
Conversion factors between points and axis units

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detectOS
Name and version number of the operating system

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Vectors
MATLAB toolkit for the creation of scientific drawings and illustrations

Multi-batch csv processing error
Hi Denxybel, the main problem lies in the readtable statement. Althought the documentation states that "by default, readtable cr...

ungefär 2 år ago | 0

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how to identify a string in an external text file and save the text of the two following lines in arrays, by delimiters
% open textfile fid = fopen('myfile.txt'); % read line by line until the pattern is found pattern = 'A C G Y R E'; tline =...

ungefär 2 år ago | 0

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delete NaN values from Matrix & use Matrix for other operations
% Sample arrays A = [1; 2; 3; 4; NaN; 6; NaN; 8; 9; 10]; B = [NaN; 12; 13; NaN; 15; 16; 17; 18; 9999; 20]; We want to get rid...

ungefär 2 år ago | 0

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How to substract a loop from the first 10 cell values of the loop?
Would this work? X(2,n) = X(1,n) - X(1,mod(n-1,10)+1)

ungefär 2 år ago | 0

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Find location of exact string
regexp(data, '\<sine delta 2') The \< indicates that the search string must occur at the beginning of a new word - see MATLAB r...

ungefär 2 år ago | 1

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Find location of exact string
Starting with R2020b, you can use pattern with strfind, which allows you to only find matches if they are preceded by a nonlette...

ungefär 2 år ago | 0

a function generating a square matrix
A = [11, 12, 13, 14; 21, 22, 23, 24; 31, 32, 33, 34; 41, 42, 43, 44] A comma (optional) starts a new column in a matrix, while ...

ungefär 2 år ago | 0

How make mutiple plots in one plot
The issue is that you are opening your files in the first loop, one after another, but only the last opened file will be process...

ungefär 2 år ago | 0

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Convert a structure array to a list
c = struct2cell(sol); ilaplace([c{:}].')

ungefär 2 år ago | 0

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How to output a for loop as a table with each iteration and result displayed
Hi Jorge, First preallocate your table (outside the loop) according to the number of years in your list: T = table('Size', [nu...

ungefär 2 år ago | 0

ode45 for non linear ODEs
The solution below follows closely the "Solve Nonstiff Equation" example in the ode45 documentation. We first need to write an...

ungefär 2 år ago | 0

Extract x,y,z coordinates from figure
Hi Aidan, let's take the peaks surface plot as an example for a 3D surface plot. We create a table from the surface data and wri...

ungefär 2 år ago | 0

When i covert a structure to cell array, my fieldNames disappear
Shambhavi, you can use fieldnames to extract the fieldnames from your structure and add it to the end of your new cell array. Fo...

ungefär 2 år ago | 0

Invalidate user entry by using isnan or isempty function
str2double returns NaN (not-a-number) when it cannot convert text to a number. You can therefore simply use isnan to test if a n...

ungefär 2 år ago | 0

Combinations of array rows with exclusion
This answer does not have any of the duplicates that are present in my previous answer: A = [20 10;20 15;20 30;22 15;25 10; 30 ...

ungefär 2 år ago | 0

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Combinations of array rows with exclusion
OK, so how about this? A = [20 10;20 15;20 30;22 15;25 10; 30 10]; cellArr{1} = deleteOneRow(A); for i = 2:size(A,1)-4 ...

ungefär 2 år ago | 1

Code for action when ui toggle button is pressed
Yes, that's indeed the problem - the selected button never changes because you only have one button in the button group, so the ...

ungefär 2 år ago | 1

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error on using fplot
Your solution usol contains two symbolic variables, x and d, but fplot can only deal with functions of a single variable. I supp...

ungefär 2 år ago | 0

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