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How to plot a graphic with different markers in a scatter plot?
Is this what you mean? This is assuming that a,b,c,d,e,f are 3 element vectors. clear; load -ascii test1.txt; a=test1(:,1...

5 years 前 | 0

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How to flip an axis on a plot without affecting the plot?
Try: axis(gca,'ij')

5 years 前 | 0

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Average of multiple matrices to create a new matrix with the same dimension.
If I am understanding your question right, you are wanting to find average of each element and ignore the nans? diret = 'New Fo...

5 years 前 | 1

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If statement "if column 1 == column 2 then keep row"
Have you tried something like this? subData = data(colA == colB);

5 years 前 | 0

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Puting empty value in numeric array
How about putting a NaN in it? Data(n,1)= NaN;

5 years 前 | 3

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How to store vectors from each for loop in a matrix
if true X= 1:0.1:2; A = 4; B = 1:5; Y = nan(length(X),length(B)); for i = 1:length(X) Y(i,:) =...

5 years 前 | 1

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Array indices must be positive integers or logical values.
I ran your code and it works for me. This leads me to believe you might have a variable in your workspace named min. Try this: ...

5 years 前 | 0

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List comprehension-like function in assigning values in nested structures
Try this: h = [data.h];

5 years 前 | 1

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Why is this not outputting anything?
For this to work you need to set your intial MIN_VALUE to inf rather than 0. If its set to zero, it will only make output if you...

5 years 前 | 0

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Error storing structure within parfor
You could try storing it in a cell array and converting to structure after the parfor: names = cell(num_sim,1); results = cell...

5 years 前 | 0

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Why is this matrix instantly forming in the middle of the for loop?
When you calculate S_2, M_0 is subtracted in last part of the equation making it a 1x30 matrix. Should you be subtracting M_0(i)...

5 years 前 | 0

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Make 1 figure with 2 plots in 1 row. First plot will be empty, and second plot will contain bar plot of all values of i from one of the above loops.
subplot(1,2,1); subplot(1,2,2); bar(i)

5 years 前 | 0

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How to use cell as input arguments of a function?
This works for me. Maybe matlab has another merge function? Type this: which merge Make sure the path its giving you points at...

5 years 前 | 1

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comparison of vectors and reducing size
If you want to just keep the first 299 elements: sz = min([length(A),length(B),length(C)]); A = A(1:sz); B = B(1:sz); C = C(...

5 years 前 | 1

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Please provide insight and assistance with this issue I am having. I am new to Matlab, so any advice would be greatly appreciated.
You do not need the while loop, you can just use the for loop starting at 1 to string length in increments of 5. You also want t...

5 years 前 | 0

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Reading different lines with different numbers of data
This code is assuming that the only lines that have 3 fields is your data: file = 'filename.txt'; fileID = fopen(file); data ...

5 years 前 | 2

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Combine three or more MATLAB figures
I would save figures then plot them as subplots like this: %First Figure h1 = openfig('test1.fig','reuse'); % open figure ax1...

5 years 前 | 1

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No. of elements, mean and standard deviation of a field - conditions on other fields
Maybe something like this? f1 = [S.f1]; f2 = [S.f2]; f3 = [S.f3]; f1_cond1 = numel(f1(f1 > 50 & f1(f1 <=100))); f2_idx = ...

5 years 前 | 0

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Rearrange an array based on a matrix
Would something like this work: for i = 1:numel(V) [~,k] = find(M == V(i)); col_v = M(:,k); col_v = col_v(col_v ...

5 years 前 | 0

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How save an Array in nc
You need to save your lat, lon, time, and data to nc file. Look at documentaion for nccreate. It should be something like this b...

5 years 前 | 0

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Undefined Function or Variable
You are not setting R becuase you have it in a try catch block and it is throwing an error. That is because you are tryind to in...

5 years 前 | 1

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Using ismember on vector with strings
if you are trying to match string to string, try this: if any(contains([' nafor','kform','acet'],result))

5 years 前 | 0

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Parfor problems about loopVar = initVal:endVal
You are setting the variable xhat in the parfor and using the prevous itereation of xhat. You need to just access and set a slic...

5 years 前 | 0

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How to organize data in matrix
Did you preallocate output array? output_array = nan(60,45,348); for time_idx = 1:348 output_array(:,:,time_idx) = ncread...

5 years 前 | 0

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How to download multiple data files at once using matlab
Try this. I also put where you could change year also. year = 2019; start_jd = 182; end_jd = 212; for jd = start_jd:end_jd...

5 years 前 | 2

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reading of xls file without nan
Use this to get a cell array of mixed data types (doubles and char): [~,~,raw] = xlsread('myFile.xlsx')

5 years 前 | 0

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Picking one line from a .txt file.
Try this: filename = 'file.txt' linenum = 5; fileID = fopen(filename); C = textscan(fileID,'%s',1,'delimiter','\n', 'headerl...

5 years 前 | 0

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Vectorization of a function
I think you have some of your dot operators wrong: d1 = (log(S./K) +(r+(1/2)*sigma^2)*t)/(sigma*sqrt(t)); d2 = d1-sigma*sqrt(t...

5 years 前 | 1

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Index in position 2 exceeds array bounds (must not exceed 1)
The variables u_c and u_p are vectors or the size of the second dimension is 1. Then you try to set these variables with i in th...

5 years 前 | 1

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How to load an Excel file that changes with the date?
You could just convert numbers to string and piece it together like this: date = datetime('now'); [y,m,d] = ymd(date); filena...

5 years 前 | 1

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