Robert U
2016 以来アクティブ
no additional public information
Programming Languages:
MATLAB
Spoken Languages:
English, German
MATLAB
Spoken Languages:
English, German
MATLAB Central Community 20 Year Anniversary Treasure Hunt participant badge
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Contribute at least one answer each month for 12 consecutive months
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Answer 3 questions that were unanswered for more than 30 days
Awarded to Robert U on 25 Sep 2019
20 of your answers have been accepted
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Solve all the problems in Cody Challenge
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Solve a problem for the first time
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Provide your first answer ever to someone else's question
Awarded to Robert U on 20 Jul 2017
Content Feed
解決済み
The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...
約24時間 前
回答済み
Using symbolic variables, how do you expand polynomials to show complex roots in an equation
Hi bob, I guess it's a transfer function and you are looking for poles and zeros. syms s Num = 10^4*(s+5)*(s+70); Den = s*(s...
Using symbolic variables, how do you expand polynomials to show complex roots in an equation
Hi bob, I guess it's a transfer function and you are looking for poles and zeros. syms s Num = 10^4*(s+5)*(s+70); Den = s*(s...
9日 前 | 0
| 採用済み
回答済み
multiple graphs in one script
Hi basim almutairi, Simplify your life and use handles (start here: graphics-objects): figure handles, axes handles, ... Handl...
multiple graphs in one script
Hi basim almutairi, Simplify your life and use handles (start here: graphics-objects): figure handles, axes handles, ... Handl...
19日 前 | 0
回答済み
I don't know how to avoid eval
Hi Wan Ji, you can use cell-arrays. You don't need to assign variables with different names to multiple outputs. function p = ...
I don't know how to avoid eval
Hi Wan Ji, you can use cell-arrays. You don't need to assign variables with different names to multiple outputs. function p = ...
22日 前 | 2
回答済み
How to set common colorbar for multiplots?
Hi UTKARSH VERMA, have a look at caxis(): [x, y] = meshgrid(0:0.1:1,0:0.1:1); z = rand(11,11,24); minColorLimit = min(min(...
How to set common colorbar for multiplots?
Hi UTKARSH VERMA, have a look at caxis(): [x, y] = meshgrid(0:0.1:1,0:0.1:1); z = rand(11,11,24); minColorLimit = min(min(...
24日 前 | 1
| 採用済み
回答済み
How to converting cell to matrix for image based classification?
Hi Nikhat Ali, Please have a look into documentation fitcecoc(). The way you call the function is not working since data format...
How to converting cell to matrix for image based classification?
Hi Nikhat Ali, Please have a look into documentation fitcecoc(). The way you call the function is not working since data format...
24日 前 | 0
| 採用済み
回答済み
Matrix of transfer functions
Hi Davood Raoofsheibani, you can define arrays of transfer functions similar to numeric arrays by using tf(): % define array ...
Matrix of transfer functions
Hi Davood Raoofsheibani, you can define arrays of transfer functions similar to numeric arrays by using tf(): % define array ...
3ヶ月 前 | 0
回答済み
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...
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...
3ヶ月 前 | 1
| 採用済み
回答済み
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...
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...
4ヶ月 前 | 0
| 採用済み
回答済み
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,...
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,...
6ヶ月 前 | 0
回答済み
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...
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...
7ヶ月 前 | 0
回答済み
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...
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...
7ヶ月 前 | 0
回答済み
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 ...
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 ...
8ヶ月 前 | 0
| 採用済み
回答済み
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: << ...
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: << ...
8ヶ月 前 | 0
| 採用済み
回答済み
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...
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...
8ヶ月 前 | 0
| 採用済み
回答済み
plot repeating x values
Hi Christopher Tran Rojas, you have to replace the xTickLabel-Strings. Otherwise an increasing value vector is expected. Plus, ...
plot repeating x values
Hi Christopher Tran Rojas, you have to replace the xTickLabel-Strings. Otherwise an increasing value vector is expected. Plus, ...
11ヶ月 前 | 0
回答済み
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...
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...
12ヶ月 前 | 1
回答済み
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/...
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/...
12ヶ月 前 | 1
| 採用済み
回答済み
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...
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...
約1年 前 | 0
回答済み
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...
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...
約1年 前 | 0
回答済み
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...
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...
約1年 前 | 0
| 採用済み
回答済み
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...
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...
約1年 前 | 0
回答済み
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...
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...
約1年 前 | 0
回答済み
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 <...
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年以上 前 | 0
回答済み
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...
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年以上 前 | 0
回答済み
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...
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年以上 前 | 1
回答済み
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 ...
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年以上 前 | 0
| 採用済み
回答済み
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...
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年以上 前 | 0
回答済み
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 ...
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年以上 前 | 0
