# Jiri Hajek

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**Content Feed**

How can I randomly excuted for loops inside MAIN FOR LOOP instead of run them in ordered ?

Hi, use randperm function to generate the random ordering. growingOrder = 1:10; randomOrder = growingOrder(randperm(length(gr...

2 months ago | 1

How to divide many lines ?

Hi, since your oibjective is to split all existing lines, its sufficient to: Get coordinates of the midpoints in all existing l...

2 months ago | 1

How to write this fuction in Matlab? I have an example code in Python

Hi, your function contains four parameters, so the python code is incomplete. You can do this several ways in MATLAB, classic sy...

2 months ago | 1

copying matrix values based on a specific value in another column

Hi, for this, se use logical indices in MATLAB: A=[1 1 1 1 2 2 2 2 3 3 3 3]'; B=[3 4 6 7 8 9 0 12 4 5 6 8]'; C=[A B]; selected...

2 months ago | 0

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How can I make MATLAB recognize multiples?

HI, you can utilize the rem or mod functions, which give you remainder after division. There are slight differences between the ...

2 months ago | 1

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Link multiple edit fields in app designer

Hi, you can use a callback on the first edit field (ValueChangedFcn). In this callback function, you simple assign the new value...

2 months ago | 0

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Connecting two Matlab scripts under one loop

Hi, I'm responding to your request "I want to instruct the program to terminate when the first part's ccondition is not met ". Y...

2 months ago | 1

Interp1 is not woking

Hi, as you have already noticed, there is no good general extrapolation method, which you seem to have expected. That is why the...

2 months ago | 0

Shaded Plot of multiple curves

Hi, look at the plot properties. You can set color, width, etc. of any of the graphs as desired. https://www.mathworks.com/help...

2 months ago | 0

Defining and plotting a piecewise function of irregular interval

Hi, you need to check your code... In your first syntax, you have a size mismatch of x1 and y1. You may use the "ones" function ...

2 months ago | 0

Automatic positioning of text on the chart

Hi, you can get the desired behaviour using annotation (see https://www.mathworks.com/help/matlab/ref/annotation.html).

2 months ago | 1

How to add multiple variables to a structure

Hi, eval is indeed completely unnecessary for your assignment.To create a new field in a structure, for which you have a name de...

2 months ago | 1

Put vectors with different length into NaN vectors with allways the same length

Hi, the for loop is not required, you can achive the same assignment simply by: V1(1:length(x),1) = x;

3 months ago | 1

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Nx4 Table of randi(1,M) so that the columns are not equal and each number only repeats P times

Hi, I think you can use an algorithm which essentially mimics your prescription like the following code snippet. There is just t...

3 months ago | 0

Sort cell array with matrix

Hi, in order to achieve what you need, you have to perform few steps. % Extract numeric vector containing just the value used ...

3 months ago | 0

How to Reassign Wrong cluster Values.

Hi, your clusters contain just matrices organized in four columns, so you can easily e.g. put two of them together (concatenate ...

3 months ago | 0

solving two-variable matrix function

Hi this can be done using inline function very efficiently like this: fh=@(x,y)[x+y,x*y]; fh(2,-2)

3 months ago | 1

How to add zeros diagonally in a matrix?

Hi, MATLAB has functions that can extract upper and lower triangular parts of a matric, rest is just adding them into a zero pre...

3 months ago | 0

Adapt my colorbar to a specific value

Seems like you need to focus on colormap, that's the function which defines your color scale. Or maybe just change the scale for...

3 months ago | 0

Combine multiple columns into one column

Hi, I believe you are almost there... To make the discussion simple, let's consider just one of the filenames. You need to make ...

4 months ago | 0

How to changes X Y coordinate System and get value point?

Hi, you need to use matrix transformations of coordinates as described e.g. here: https://en.wikipedia.org/wiki/Kinematics#Matri...

4 months ago | 0

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Generate a random logical vector of a given size with a given number of true values?

Hi, ince the number of true values is known beforehand, the problem may be translated as just picking random positions, where to...

4 months ago | 0

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Calculate values inside a nested loop with different steps and store them in the same variable.

Hi, you can use any special vector of indexes (natual numbers) like this: j = [1:10,15:5:50]; for i=j C(i)= sum(x>i); e...

4 months ago | 0

can any one tell me why that function can not run??

Hi, you obviously did not do any debugging. Your attempt at coding has several issues, but you can easily rectify them if you go...

4 months ago | 0

How to properly augment a cell vector to a matrix doubles and output on excel?

Hi, you need to get acquainted with tables. They enable you to do exactly what you need.

4 months ago | 0

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how to add specific columns in table (in verse)

Hi, you've righly spotted the subtle difference parentheses vs curly braces ("Curly braces, {}, returns an array concatenated f...

4 months ago | 0

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how to find the position of a char matrix where the value is equal to an another matrix

Hi, for this purpose you can use ismember function.

4 months ago | 0

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A figure created within a for loop is not plotted (only the last one is shown)

Hi, you need to use the hold function after you display the first curve.

4 months ago | 0

How to obtain output from function always as cell array even though it would be of size 1

Hi, since you are unsure about the type of a variable, you can solve this by adding a condition: for i = 1:N if iscell(ou...

4 months ago | 0

How do I connect two points from my Adjacency Matrix that are k distance away from each other and display it in my graph?

Hi, it seems you have mixed up two concepts together. The meaning of a nonzero element (i,j) in the adjacency matrix is that con...

4 months ago | 1

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