# Robert U

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**Programming Languages:**

MATLAB

**Spoken Languages:**

English, German

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**Content Feed**

Merge two .fig figures side by side by connecting yaxes in matlab

Hi Apashanka Das, you can copy objects from figure to figure using copyobj(). A bit tricky is to write a generally working code...

5 months ago | 0

| accepted

How to find the error between two plots and plot the error in same diagram

Hi Abdul Sajeed Mohammed, here some example that is close to what you do: % example data params (circular trajectory) R = 100...

6 months ago | 0

| accepted

Finding root using Fixed point method

Hi Aryan Efty Sham, Have a look in the community forum. The method has been discussed several times already, e.g. https://de.ma...

6 months ago | 0

Replace a syms command

Hi Sarah Gomez, I am not quite sure whether I understood you question correctly, but removing the syms j command is not suffici...

6 months ago | 0

How do I plot an equation with multiple Iterations.

Hi Heather Worth, you can store x1 each iteration in a vector and plot the vector at the end of the calculation. lambda=6.544;...

6 months ago | 0

How to display a number in a scientific notation in the plot?

Hi Vikash Pandey, have a look at the function num2eng from Mathworks File Exchange. You can change easily the tick label: fh =...

7 months ago | 0

How can I change a pixel image from black and white to red & blue

Hi Yik lok Chan, one way to do so is to utilize colormap()-command: corn_gray = imread('corn.tif',3); imshow(corn_gray) ...

9 months ago | 0

How to give a piecewise function as input

Hi Mehul kumar, Please, have a look here: https://de.mathworks.com/matlabcentral/answers/359268-making-ramp-and-unit-step-funct...

9 months ago | 0

save rows from an array

Hi samuel herrera, I guess, you would like to store the content of the cell array vo in vp1 and vp2, respectively. You have to ...

9 months ago | 0

Unintended plot while using the cylinder function

Hi Kevin Hanekom, it seems your vector PStress has two colums which are both interpreted as radius by the function cylinder and...

10 months ago | 0

| accepted

Solved

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...

11 months ago

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...

11 months ago | 0

| accepted

multiple graphs in one script

Hi basim almutairi, Simplify your life and use handles (start here: graphics-objects): figure handles, axes handles, ... Handl...

11 months ago | 0

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 = ...

11 months ago | 2

| accepted

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(...

11 months ago | 1

| accepted

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...

11 months ago | 0

| accepted

Matrix of transfer functions

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

1 year 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...

1 year 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...

1 year 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,...

1 year 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...

1 year 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...

1 year 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 ...

1 year 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: << ...

1 year 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...

1 year 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, ...

2 years 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...

2 years 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/...

2 years 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...

2 years ago | 0