Community Profile # Jiri Hajek

Last seen: 4 maanden ago Active since 2022

#### Statistics

All
• • • • • #### Content Feed

View by

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...

4 maanden 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...

4 maanden 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...

4 maanden 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...

5 maanden ago | 0

| accepted

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 ...

5 maanden ago | 1

| accepted

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...

5 maanden ago | 0

| accepted

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...

5 maanden 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...

5 maanden ago | 0

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

5 maanden 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 ...

5 maanden 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).

5 maanden 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...

5 maanden 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;

5 maanden ago | 1

| accepted

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...

5 maanden 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 ...

5 maanden 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 ...

6 maanden 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)

6 maanden 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...

6 maanden 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...

6 maanden 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 ...

6 maanden 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...

6 maanden ago | 0

| accepted

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...

6 maanden ago | 0

| accepted

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...

6 maanden 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...

6 maanden 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.

6 maanden ago | 0

| accepted

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...

6 maanden ago | 0

| accepted

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.

6 maanden ago | 0

| accepted

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.

6 maanden ago | 0