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# TastyPastry

Active since 2015

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Programmatically performing "Expand axes to fill figure"?
You can grab the axes handle with something like h = axes; Now, when you finish plotting on the axes with the handle h, ...

5 years ago | 1

Solved

Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

5 years ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

6 years ago

Question

How to extend a row vector down in increasing values?
Say I have the vector a = [4 5 6]; How can I make the vector into [4 5 6 5 6 7 6 7 8 7 8 9 ...] ...

6 years ago | 1 answer | 0

### 1

Installing MATLAB 2016a creates blue screen and stops Windows from booting
That error usually is caused by faulty RAM. Have you tried running memtest86? You should try it with one stick of RAM at a time....

6 years ago | 0

Question

Cannot print a figure using print()
Currently using the lines set(fig,'paperpositionmode','manual'); set(fig,'paperorientation','landscape'); set(fig,'pa...

6 years ago | 1 answer | 0

### 1

How to read a text file and split up into several text files saving with name successively.?
Well if you know your data has exactly the same number of points per experiment or you can obtain how many points there are per ...

6 years ago | 0

Question

Is there a way to extract specific fields from a structure?
I have a 1x1 structure with a large number of fields of which I'd like to extract some subset. I don't want to have to use ...

6 years ago | 3 answers | 0

### 3

how can I sort the arrays according to example I explained below?
[Result,ind] = sort(Result); CoEff = CoEff(ind,:); Result = Result';

6 years ago | 1

How to store info to 'handles' in a local function in GUIDE?
Try changing the single input call of guidata() to handles = guidata(hObject);

6 years ago | 0

Let's say your input line is stored in data: in = strsplit(data); st=struct(in{1},in{2},in{3},in{4},in{5},in{6});

6 years ago | 0

How to create a checker box image of white and black pixels without using inbuilt function?
myIm = uint8(zeros(rows,cols)); myIm = cat(3,myIm+255,myIm,myIm); imshow(myIm);

6 years ago | 0

Solved

Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

6 years ago

Plot in a figure of a gui and simultaneously open a new figure
You can switch the focus between an axes and figure by calling them with an output, the figure handle, and using the axes() and ...

6 years ago | 0

Your for loop declaration is wrong. Needs to be: i=1:129 Try using textscan(), which can take in a file and a format and...

6 years ago | 0

I am new to Matlab and i am searching for the correct code to make a plot push button into GUI after loading data from a file (another push button) .The plot i wanna do is the following but i stuck in callback functions etc
So you need two callback functions in order to do this. The first callback will load your data and the second will plot your dat...

6 years ago | 0

How to apply fprinf for matrix
fh = fopen('newFile.txt','w'); for i=1:size(myData,1) fprintf(fh,'%d %d %d\n',a(i,1),a(i,2),a(i,3)) end

6 years ago | 2

Question

Can I dynamically change a structure name
I have a function which takes in multiple .mat files, reads part of them and consolidates them into a cell array. Currently m...

6 years ago | 1 answer | 0

### 1

There's a function csvread() which only works on numeric data. The other way you can do it is to use textscan(). Both of thos...

6 years ago | 0

Solved

Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

6 years ago

Solved

Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

6 years ago

Trouble displaying uicontrol text when it's a decimal
When I run your code, the number doesn't show up. This is because your uicontrol() textbox isn't wide enough. I change the 'posi...

6 years ago | 1

| accepted

Why does Matlab use 'log' instead of 'ln'?
I mean conversely, you could argue why do we use ln() when log() without a specified base could be used as the natural log. Ther...

6 years ago | 0

How to plot using semilogy
<http://www.mathworks.com/help/matlab/ref/semilogy.html The documentation on the function provides the information you're lookin...

6 years ago | 0

How to delete data from GUI uitable with a push button?
Set a pushbutton callback to edit the data in a uitable. You'll need a way to access the handles of the figure your uitable is c...

6 years ago | 0

| accepted

How can i set dynamic axis limits in GUI?
Make sure wert_x is greater than 0, get rid of the single quotes around the vector. The 'xlim' property of an axes is a numeric ...

6 years ago | 0

From how I understand the predefined user input GUIs in Matlab, it's difficult, if not impossible to change them. However, they'...

6 years ago | 0

You can do something like this: t = datestr(datetime('now','TimeZone','local','Format','d-MMM-y HH:mm:ss Z')); This will...

6 years ago | 0