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Datasets with different Time series
Pick all the data to have same time and see if they have same dimensions. If they don't have same dimensions, get them to same d...

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How to convert lat, long to NE?
Download the altitudes from here: https://www.gebco.net/data_and_products/gridded_bathymetry_data/

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I want to add number in given sequention
You can extract indices using: idx = 2:2:11 ;

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How i can fix this issue in MATLAB?
idx = isnan(Phie) ; val = linspace(0.15,0.25,nnz(idx)) ; Phie(idx) = val ;

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Plotting results from "fitnlm" function
x = Torque ; y = predict(mdlfit,X) ; Z = predict(mdlfit,X)-Torque ; surf(x,y,Z)

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to fix plotting code
You are using white color to plot, so the plots are not visible. Change the line: plot(v,ifit,'w', v, lni,'ow') % Change the...

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Calculate days between two given months
t0 = datetime(2021,1,1) ; t1 = datetime(2021,12,31) ; t = t0:t1

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Extending the vector length
Two options. Option 1:Use interpolation to extend the size. n = length(ch_x1_interval_1) ; x = 1:n ; xi = linspace(1,n,1816...

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extracting columns from arrays within a cell
% Demo data A = cell(8,1) ; for i = 1:8 A{i} = rand(2,1); end data = cell2mat(A')' ; data(:,2)

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Index in position 1 exceeds array bounds (must not exceed 61)
This error occurs, when you try to extract more number of elements then present in the array. A = rand(10,1) ; A(1) % no e...

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How can i convert a excel table to a susbstructure?
T = readtable('myfile.xlsx') ; S = struct ; id = T.ID ; [C,ia,ib] = unique(id) ; for i = 1:length(C) S(i).Type = un...

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Help needed on a Yahtzee game!
N = 10000 ; throwAgain = zeros(N,1) ; for i = 1:N throwAgain(i)=MCO_throwAgain() ; end histogram(throwAgain) functi...

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Index in position 1 is invalid. Array indices must be positive integers or logical values.
When you use ginput to extract the points, you may end up getting decimals and you are trying to index these points; as matlab i...

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Trying to extract outliers from array
%Point Barrow, Alaska PB=readtable('daily_flask_co2_ptb.csv'); %extract outliers by finding and replacing with NaN idx = PB...

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How do I fill the color in the block? This is the function I'm using.
Read about patch. hold on x = [4 5 5 4 4] y = [13 13 12 12 13] patch(x,y,'y') axis equal hold off hold on x = [4 4 5 5 4...

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how can I plot a degree variable, a scalar and a date
load('DataRaval.mat') load('Direcwind.mat') load('Velwind.mat') thedates = datestr(DataRaval) ; theta = DirecVentRaval ; ...

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How to assign the value of the index to the index position?
v = [0 0 0 1 1 1 0 0 0]; idx = find(v) v(v==1) = find(v)

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Compound quaternion Matlab -error
In this function: function t_q_pair_A_C = t_q_pair_compound(t_q_pair_A_B,t_q_pair_B_C) % Extract Translation Vectors t_...

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Smaller values not seen in bar graph
You can go ahead like this right? X=[5 4 3]; Y=[1 7 8]; x = 1:3 ; bar(x,[X;Y]) Or you can try: bar([X' Y'],'stacked')

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Intensity of each pixel frawn on an image
Read about interp2. You can use interp2 for this. I = imread('figure63.png'); [m,n,p] = size(I) ; [X,Y] = meshgrid(1:n,1:m)...

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How to solve 2 equations with 2 unknown variables and plot the result?
You need to convert the sym class to double using double. plot(double(alpha),double(E))

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I keep getting an error that says "unrecognized function or variable 'tspan'
You need to provide the time for which you want to integrate your ode. Call the function something like below: [t3,y3] = ode23(...

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my matlab doesn't recognize 'besselzero(...,...,...)', any help?
It is not a inbuilt function. You need to download it from the place you have reffereed it to. You can copy the function from th...

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size mismatch in assigning values to a matrice
You need to initiliaze the matrices properly. A=[0.9974 0.0539;-0.1078 .1591]; B=[0.0013 0.0539]'; H=zeros(2); Q=[0.25 0;...

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Read specific column in .txt file
T = readtable('myfile.txt') ; % also read about load, importdata, textscan x = T.(1) ; y = T.(2) ; plot(x,y)

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Integration of a function
syms x f = 3*x-x^2 ; iwant = int(f,x)

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Not enough input arguments
It looks like you are running the code without giving the required inputs by hitting f5 or run button. No you should not. You sh...

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Creating a for loop that goes through 12 month data in sets of 2
You can proceed like below. T = readtable('Levenmouth7MWTurbineData2019.csv') ; thedates = datevec(T.(1)) ; % plot for Jan ...

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How can I plot a few dots in matrix plot?
[X,Y] = meshgrid(1:5,1:5) ; plot(X,Y,'*') A = ones(5) ; spy(A)

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Plot the trajectory of a motion of x(t) and y(t)
t = linspace(0,2*pi) ; x = sin(t) ; y = cos(t) ; plot(x,y)

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