# Jorg Woehl

### University of Wisconsin-Milwaukee

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**Feeds**

Strange behaviour with uigetfile in APPDesigner (not observed in GUIDE)

I have just published a simple workaround for these focus issues, which -- as The MathWorks acknowledges -- still have "currentl...

ungefär en månad ago | 0

Appdesigner uigetfile focus error

I am not sure if this answers your question but judging from the title and your code it may...: check out my File Exchange contr...

ungefär en månad ago | 0

How to make uigetfile window pops-up in front of my app (designed in appdesigner)?

I have just published a simple workaround for these focus issues, which -- as The MathWorks acknowledges -- still have "currentl...

ungefär en månad ago | 0

Uigetfile will make app be behind another windows.

I have just published a simple workaround for these focus issues, which -- as The MathWorks acknowledges -- still have "currentl...

ungefär en månad ago | 0

Appdesigner window ends up in background after uigetfile

I have just published a simple workaround for these focus issues, which -- as The MathWorks acknowledges -- still have "currentl...

ungefär en månad ago | 0

Multi-batch csv processing error

Hi Denxybel, the main problem lies in the readtable statement. Althought the documentation states that "by default, readtable cr...

mer än 3 år ago | 0

| accepted

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 =...

mer än 3 år ago | 0

| accepted

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...

mer än 3 år ago | 0

| accepted

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)

mer än 3 år ago | 0

| accepted

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...

mer än 3 år ago | 1

| accepted

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...

mer än 3 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 ...

mer än 3 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...

mer än 3 år ago | 0

| accepted

Convert a structure array to a list

c = struct2cell(sol); ilaplace([c{:}].')

mer än 3 år ago | 0

| accepted

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...

mer än 3 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...

mer än 3 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...

mer än 3 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...

mer än 3 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...

mer än 3 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 ...

mer än 3 år ago | 0

| accepted

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 ...

mer än 3 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 ...

mer än 3 år ago | 1

| accepted

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...

mer än 3 år ago | 0

| accepted

Display same image with different rotations

I assume you are talking about 2D images: % prepare an image but hide it initially (for better timing) h = imagesc(peaks, 'Vis...

mer än 3 år ago | 0

Combining Two plots with different with the same y axis and different x axis length

If the widths of your two plot boxes have an integer ratio (such as 4:1), you can use tiledlayout to do this. First create one r...

mer än 3 år ago | 0

How do I write a code to rearrage the colors in an RGB color array?

The third dimension of your 229x600 image contains the rgb values for each pixel: image1(:,:,1) is the red channel, image1(:,:,2...

mer än 3 år ago | 1

| accepted

Finding the sum of the first n primes and to use a while function

There are two issues in your code: You are testing if i is not a prime number, when you actually want to test whether it is a p...

mer än 3 år ago | 0

MATLAB Figure and LATEX

I'm not sure what the issue is, but your figure displays just fine when I save it to a png file (my preferred graphics file form...

mer än 3 år ago | 0

Merging two arrays of two different types

You are combining double values (from a) with character values (from b), which yields a character array according to MATLAB's cl...

mer än 3 år ago | 1

| accepted

How Can I Show a txt File in a GUI ?

A text area would be the way to go, as it will show a scroll bar and wrap text if the content of the textfile is larger than the...

mer än 3 år ago | 0

| accepted