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Use vpasolve to solve iterations of the same function when the number of iterations is N
One way is to define a function that takes F, N, and z as arguments and iterates N times to construct F(F(...F(z)...))-z. Then c...

1 year ago | 0

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I am trying to generate code for plotting anti fractals and getting error
Picking z0=c instead of z0=0, correcting the definition of R_base to have 2/theta instead of 2*theta, decreasing the max number ...

1 year ago | 0

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Answered
I am taking two excel files with similar x value data and want to plot the y values of one of the plots with different colors based on if the second file reads 0 or 1.
warning off all unzip('Data1.zip') unzip('Data2.zip') data1 = readtable('Data1.csv'); data2 = readtable('Data2.csv'); g...

1 year ago | 0

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is it possible to mark significance levels using heatmap?
As far as I know, there is no built-in option to conditionally alter the heatmap data labels, but what you can do is create a he...

1 year ago | 2

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readmatrix collapses blanks/NaNs, but I want to keep those empty cells
Use 'EmptyLineRule','read' to keep the lines that are all-NaN. Using only that option, all sample files are read correctly: ful...

1 year ago | 0

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Answered
How to remove some xticklabels (but still keeping all the xticks)?
x = 1:100; y = exp(-0.1*x); plot(x,y) ax = gca; ax.XTick = 0:10:100; ax.XTickLabels(1:4) = {''};

1 year ago | 1

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Answered
Suppressing braces and single quotes of a string matrix
C = { ... ['V1 = 1.01' char(8736) '0' char(176) ' pu']; ... ['V2 = 0.92675' char(8736) '-5.7691' char(176) ' pu']; ......

1 year ago | 0

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Why does pcolor adds a flat lines during a data gap instead of white space?
load FPDO.mat load E_log.mat load T_.mat T_ = T_lepi; The problem is that T_ and E_log are not monotonic: figure subplot(2...

1 year ago | 0

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Answered
How to plot the continuous linear graph of y(n) + y(n-1) + ... + y(1)
y = [2 -1 1 2 -1 -2 -1 2 3 -2 1]; plot(0:numel(y)-1,cumsum(y),'.-')

1 year ago | 0

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Answered
How do I convert a symbolic expression to a string?
Here are a couple of options: syms x % the arbitrary expressions phi_1 = x; phi_2 = x^2; % example plot example = [1:1...

1 year ago | 1

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Boxplot divided by color with combined labels
I gather that you want to have the boxes filled as in Alternative 1 and the x-ticks and labels as in Alternative 2. See if usin...

1 year ago | 1

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Answered
How to put a colorbar between the columns in tiledlayout?
One solution is to use nested tiledlayouts; in this case a 1x2 tiledlayout containing two 3x1 tiledlayouts. figSlices = figure(...

1 year ago | 0

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Answered
How do I add space between any specific word in string
str = 'double function_name(double name1, float name2, double name3)' newstr = strtrim(strrep(regexprep(str,'([,])',' $1 ')...

1 year ago | 0

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Help organizing legend for bar graph
str is a column vector, so use semicolons (instead of commas) to append new elements str = [str;"went to patch 1 and found food...

1 year ago | 0

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Answered
How to choose 60 unique coordinates ('A') from 600 coordinates('B'), nearest to 60 other coordinates('C')
C = rand(60,2); B = rand(600,2); [~,idx] = min(sum((permute(C,[1 3 2])-permute(B,[3 1 2])).^2,3),[],2); A = B(idx,:); fi...

1 year ago | 0

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I am unable to successfully pass data in a multiwindow app. Can someone help me understand where I am going wrong?
See if the attached updated mlapp files work the way you intend and the code makes sense.

1 year ago | 0

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Answered
Changing the colours in heatmap for specific ranges in values
Here's one way: xvalues = {'0 cm','1 cm','5 cm','10 cm','15 cm','20 cm','24 cm','25.3 cm'}; yvalues = {'30 mm','25 mm','20 mm'...

1 year ago | 0

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Answered
Use specific variable from index to plot answer of equation
If you want to calculate delta_rfO for all combinations of the specified values of T, Q, and Beta, you can permute (or transpose...

1 year ago | 0

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Answered
Why do I receive error "Not enough input Argument"? Error in CreatePoints (line 7) plotPoints = linspace(lowValue, highValue, 5);
You need to provide inputs to the function when you run it, i.e., you cannot just click on the green Run button because that doe...

1 year ago | 1

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Help with 6.1.1: Array resizing: Removing elements. in Zybook
pendingTasks is passed as input to the RemoveTasks function, so you shouldn't redefine pendingTasks inside the function. That i...

1 year ago | 1

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Answered
Find index of rows in tables with two conditions doesn't work using &&
Use & to operate on non-scalar arrays: indx = find(T.YPosNanometer == 0 & T.ZPosNanometer == 0)

1 year ago | 0

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Answered
surface & colormap with "thermometer" map
Seems fine. N = 255; cmap = uint8([N*ones(1,N), N:-1:0; 0:N-1, N:-1:0; 0:N, N*ones(1,N)].'); figure z = peaks(200); surf(...

1 year ago | 0

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Answered
Multiply different sized arrays by cycling smaller array
Perhaps one of these is what you describe: a = [1,2,3]; b = [4,5,6,7,8]; c = a.'.*b c = a.*b.' c = reshape(c,1,[])

1 year ago | 0

Answered
Concatenating multiple struct fields into a single matrix or array but maintaining dimensions
For demonstration, first I create a similar struct, with 3 fields in A.B.C: N = 3; args = [compose('name%02d',1:N); permute(nu...

1 year ago | 0

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Answered
Receiving Errors with this code
% Define range of PID gains to explore Kp_range = 0:0.1:5; Ki_range = 0:0.1:1; Kd_range = 0:0.1:0.5; % Define setpoint tem...

1 year ago | 0

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How to accelerate the running speed of this code?
Here's an approach that may or may not be faster (depending on the size of your array X) and may or may not run (depending on th...

1 year ago | 0

Answered
Not able to use imread on images in subfolders
Take the first two outputs from uigetfile (the second output is the location of the selected file), and construct the full path ...

1 year ago | 1

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Answered
Mean of selected range of a matrix based on a range of values from another matrix
load('data_my.mat') T = table(month,sa,ta,sig); % only sig 27.4 to 27.5 idx = sig >= 27.4 & sig < 27.5; G = groupsummary...

1 year ago | 2

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Answered
MATLAB Giving "Dot indexing is not supported for variables of this type" Error When Attempting To Use Subs Function
You have a period in the last line where you should have a comma. That is, "y1.z1" should be "y1,z1".

1 year ago | 0

Answered
Mean values of matrix elements corresponding to increment of fixed column values
A = [0 1; 3 2; 1 3; 7 4; 2 5; 11 6]; dx = [0.5:2:6.5]; dy = groupsummary(A(:,1),discretize(A(:,2),dx),'mean')

1 year ago | 0

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