# Robert U

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**Content Feed**

Matrix of transfer functions

Hi Davood Raoofsheibani, you can define arrays of transfer functions similar to numeric arrays by using tf(): % define array ...

21 days ago | 0

Convert a Complex Number to exponential real

Hi Jogger, have a look at Euler's formula (https://en.wikipedia.org/wiki/Euler's_formula). x = 2 + 1j * 5; r = sqrt(real(x)^2...

2 months ago | 1

| accepted

Different rotations of XLabels

Hi Julie, One way to rotate single XTickLabel Strings is to replace them by text(). Advantage over annotation() is that the tex...

2 months ago | 0

| accepted

How to shift entries in a vector by the value of the number in that entry?

Hi Tim David, you can apply circshift() to the data. T = [0, 0, 4, 0, 7, 0, 0, 5, 0, 9]; shiftme = @(A,nShift) circshift(A,...

5 months ago | 0

use vector as input

Hi Vincent Degonda, Your for-loop call is not providing what you expected. Your input variable is a vector already. dpb tried t...

5 months ago | 0

Pass a structure to a function

Hi George Bashkatov, First of all: Do not use global variables if not absolutely necessary. There are hundreds of threads argui...

5 months ago | 0

Does Matlab solver allow integration?

Hi Craig Dekker, please, have a look at the documentation symbolic int(): syms t L R Vo WR = R*((Vo/R)*exp(-t/(L/R)))^2 iWR ...

6 months ago | 0

| accepted

How to keep decimal float point only

If it is just for display you can specify the output format in fprintf. a = 323.153; fprintf('<< a = %.0f.\n',a) output: << ...

6 months ago | 0

| accepted

How to join a double variable and a strucure variable to plot a heat map ?

Dear Niraj Bal Tamang, According to documentation heatmap() supports tables among others. Working with tables is very convenien...

6 months ago | 0

| accepted

plot repeating x values

Hi Christopher Tran Rojas, you have to replace the xTickLabel-Strings. Otherwise an increasing value vector is expected. Plus, ...

9 months ago | 0

Frequency domain and Shannon limit

Hi long le, Matlab documentation is quite nice since it provides several examples on key topics. One possibility to transform t...

10 months ago | 1

Catching a warning to avoid matrix singularity

Hi Mostafa Nakhaei, quite similar to what you describe is shown in the documentation: https://de.mathworks.com/help/matlab/ref/...

10 months ago | 1

| accepted

How can I get an upright mu in math with latex interpreter?

Hi Philipp Rehlaender, It seems, there is no straight-forward way to do that in matlab figures. Nonetheless, there are work-aro...

11 months ago | 0

Magnitude and Phase response of a Lowpass filter

Hi Suvvi Kuppur Narayana Swamy: The function angle() is calculating the phase angle of a complex number. Since all values are r...

11 months ago | 0

Interpolating at vertices of a mesh

Hi Sanwar Ahmad, for interpolation between meshes you can have a look at the built-in function scatteredinterpolant(). More in...

12 months ago | 0

| accepted

How to estimate the parameter in a customized transfer function

Hi Lihao Zheng, first of all you can convert the two forms from one to another. Second it is possible to define transfer functi...

1 year ago | 0

filesep for window '\', which may cause sprintf doesn't work for some '\%d' string, how can i avoid ?

Hi Huang Chi-En, please refer to sprintf-documentation; special characters might need different syntax. Since backslash is an e...

1 year ago | 0

How do I add a class to a class

Hi Alok Virkar, another approch making use of object arrays which might be more convenient in use: rocket.m classdef rocket <...

1 year ago | 0

How do I add a class to a class

Hi Alok Virkar, There are several possibilities to fullfill the described functionality. But first there are issues with your c...

1 year ago | 0

Program not calculating correct value in output file

Hi Joseph Edelman, it seems as if line 52 produces complex numbers for HF. In consequence the values of DELQ are complex as wel...

1 year ago | 1

Low pass filter design

Hi Toygar Ozel, have a look at the step response of your filter, e.g. using filter designer. You can determine easily that the ...

1 year ago | 0

| accepted

Merge numeric values of 2 columns into 1

Hi Andrea Boa, probably your import function is not correct regarding either format or delimiter, or both. The following functi...

1 year ago | 0

How to standardize the colormap of every figure created from different set of data

Hi NUR AMIRA ZULKIFLLI, you can supply own colormaps to several plots. You might want to look into imagesc() since it provides ...

1 year ago | 0

How to graph multiple points onto one graph?

Hi Brian Len, you might have some troubles with syntax. Have a look at the very good documentation: https://de.mathworks.com/he...

1 year ago | 0

| accepted

how can i change the Color of the Row (uitable) when if==0? Die farbe der reihe im IUtable soll sich öndern wenn if ==0

Hi Torsion27, using uifigure and uitable there is an easy-to-apply solution on your data. WIthout going through your code I rec...

1 year ago | 0

Replacing Values Between a 0 and a 1 in a Vector

Hi Daniel Steyer, this code snippet should provide the requested functionality. cIn = cellfun(@num2str,num2cell(A),'UniformOut...

1 year ago | 0

| accepted

setting a variable to the input

Hi Jian Chen, The functionality that you describe cannot be done. Using object oriented programming the functionality could be ...

1 year ago | 0

Hat on letter on x/ylabel WITHOUT using LaTeX?

Hi Minas Emiris, convert the circumflex from unicode to string via sprintf (see here, unicode table for combining characters fo...

1 year ago | 2

Using Levenberg-Marquardt algorithm in the optimization

Hi RAPHAEL OWENS, there are several solvers and methods available. One of the available functions in Matlab is lsqcurvefit(). B...

1 year ago | 0

| accepted

for loop - Array indexing problem

Hi Arnar Þór Ólafsson, you can use any vector to run for-loops. You can assign the values in the order as you wish. It might be...

1 year ago | 0