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How to plot polar curve in both upper and lower half region?
Change Polar Axes Limits By default, negative values of the radius are plotted as positive values in the polar plot. Use rlim t...

3年以上前 | 0

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changing the structure of a matrix according to a characteristic matrix
Use elementwise (.) operator : Xa=[0 1 1;0 0 1;1 1 1] b=[9 8 7;3 2 7;4 5 3] b.*Xa

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how to import average and maximum data from excel sheet .
[~,Num,Data]=xlsread('solar02.xlsx'); %Average values greater than zero Average = mean(Data(2:end,3)>0); %Maximum max(Averag...

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Simulink Matlab Function Block Error
To run mex function you need c-compiler. simply open command window and type: mex -setup If c compiler is available this comma...

3年以上前 | 1

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Transforming a script into a function with multiple inputs
%load data myfilename = 'Example.csv'; month = 1; trial(myfilename, month); function trial(myfilename, month) data=readta...

3年以上前 | 0

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how do I apply an if statement to each row of a column vector?
Try this: R = [0.1:0.1:1]; step=zeros(1,length(R(:))); for n=1:length(R(:)) if R(n)<0.5 step(n)= -1; elsei...

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Loading in a for loop
You can use 'int2str' for i=1:400 run_i=['C:\Users\unknown\run_',int2str(i)]; end %or for i=1:400 run_i=strcat('C:...

3年以上前 | 0

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Make a movie from series of Fig file
Try VideoWriter video = VideoWriter('Movie.avi'); open(video); folder = 'D\Folder'; str = int2str(i); for i=1:N Image...

3年以上前 | 0

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How to read multiple image directory with for loop
1 option could be: if i>9 str = strcat('\','image_00',str,'.png'); end

3年以上前 | 0

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Nested If Statement HELP
Use elseif: prompt = ' enter a value between 0 and 100 ' ; x = input(prompt) ; if x >= 90 && x <= 100 disp (' Grade is A...

3年以上前 | 0

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Iteration output won't show in a plot
Try this: format long; disp('Number of Iterations Approximate Value') xData=1; n=1; fprintf('\n%d ...

3年以上前 | 1

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Plot multiple histogram within 1 function
[~,ErrorLength]= size(out); for i =1:ErrorLength hold on histogram(out(:,i),'normalization','pdf') hold off end...

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How can I see all of toolboxes?
one option to see all toolboxes: Go to command window and type to list out all installed toolboxes on your machine. ver

3年以上前 | 0

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Running a for loop for a function across two variables
looks like your function is 2 input arguments and 2 output arguments: function [Tatm, Tsurf] = modelwithatm(lwabsorbedatm,surf...

3年以上前 | 0

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Find maximum among the elements in the matrix lower than 80% of max element of entire matrix
%Try this: Result = A(A<(0.8*S))

3年以上前 | 1

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How to check user input data using letters
you could try this: function HumanInputFxn(~) Good=0;%initilizes loop variable while Good<1 Letter_Input=input('Enter c...

3年以上前 | 0

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How to overcome this error?
%Example: a=[1 2 3 4] B= [a;0] %This throws an eroor as you mentioned %Correct concatenation B=[a,0] %or B=[a';0]

3年以上前 | 0

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need to write values on contour plots
these examples may help you: %1 f = @(x,y) exp(-(x/3).^2-(y/3).^2) + exp(-(x+2).^2-(y+2).^2); fc = fcontour(f); fc.LineWidth...

3年以上前 | 0

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How can I import data to simulink from the workspace
The data available in base workspace can access your simulink model during simulation. If you would like to provide timeseries ...

3年以上前 | 0

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Classify imported files from multiple folders into cell array
You could try this example. load test.mat; folder={files.folder}; name = {files.name}; for i=1:6 Data{i} = name(conta...

3年以上前 | 0

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values calculated from avector
exp fumcion is available in matlab. The s1 & s2 syntax you written can directly be used. s=[a b]; s1=exp(s(1)); s2=exp(s(2));...

3年以上前 | 0

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How can I load bus objects in simulink base workspace?
Eg. If you have bus objects now in 'Dictionary.m' file, You can use 'PreaLoadFcn' function or 'PostLoadFcn' to load bus objects ...

3年以上前 | 0

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Using loop to create multiple variables
you can try this: %b is a vector contains values from 1,2,3....to 16. b = 1:16; A=2; % A is a scalr whose value is 2 for i ...

3年以上前 | 1

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Assigning a variable according to file name..
Example: Track = 2; File = 2; Filename = {}; for j=1:(File) for i = 1:(Track) Filename{end+1} = ['SimulationFi...

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Why do I get NaN result?
Values within gradf function for n=32 becomes infinite ('inf') and hence results are NAN (Not a number).

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How to modify the markers of a figure of the decaying function are squares instead of circle and set the line width of the other sinusoid to 2 instead of 4?
x = 0:pi/20:4*pi; plot(x, sin(x),'LineWidth',2) hold on plot(x, exp(-0.1*x).*sin(x),'s') hold off

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How to import excel sheet with Dates/Time in the first column
try [num,txt,raw] = xlsread(filename) 2. check also readtable, readmatrix, or readcell

3年以上前 | 0

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Why I got this error
You can use assignment operator (=) sinle equal to rather than double (==): Eg: yy = voy*1 if pilihan == 1 yy = voy...

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How to use contains method to find indices for only certain strings. For example, I have RA-IS1 and RA-IS1-CRT, but I only want to find RA-IS1 indices.
Instead of contains you can try: regexp strcmp strcmp - could be your interest.

3年以上前 | 0

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Euler's Method/Improved Euler's Method
May be position of t(n+1)=t(n)+h; coulb be at the starting of loop.

3年以上前 | 1

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