Answered
Convert ezmesh to fmesh
v1 = rand(3,1) ; v2 = rand(3,1) ; h=fmesh(@(x,y)v1(1)*x+v2(1)*y,... % funx @(x,y)v1(2)*x+v2(2)*y,... % funy ...

4 years ago | 1

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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...

4 years ago | 0

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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/

4 years ago | 0

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

4 years ago | 0

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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 ;

4 years ago | 1

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

4 years ago | 0

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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...

4 years ago | 1

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

4 years ago | 1

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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...

4 years ago | 0

Answered
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)

4 years ago | 1

Answered
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...

4 years ago | 0

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Answered
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...

4 years ago | 1

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

4 years ago | 1

Answered
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...

4 years ago | 0

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Answered
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...

4 years ago | 0

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Answered
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...

4 years ago | 1

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Answered
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 ; ...

4 years ago | 1

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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)

4 years ago | 1

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Answered
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_...

4 years ago | 1

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Answered
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')

4 years ago | 1

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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)...

4 years ago | 2

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Answered
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))

4 years ago | 0

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Answered
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(...

4 years ago | 0

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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...

4 years ago | 0

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Answered
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;...

4 years ago | 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)

4 years ago | 1

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

4 years ago | 1

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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...

4 years ago | 0

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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 ...

4 years ago | 1

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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)

4 years ago | 0

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