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Peter Jarosi


Last seen: circa 3 anni fa |  Attivo dal 2019

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Statistica

  • Knowledgeable Level 2
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how to extract all variables from a struct
I agree with Stephen but if you want a quick solution using an ugly trick: v = fieldnames(data_table); for x = 1 : length(v)...

oltre 5 anni fa | 0

Risposto
How to get values of unknowns in the terms of one variable?
I recommend using fsolve() function. First of all, you cannot express your s's in explicit form but you can solve your non-li...

oltre 5 anni fa | 0

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String Matching in an If Statement
I recommend reading more about it depending on your problem but something like this: Table3 = outerjoin(Table1, Table2, 'Keys',...

oltre 5 anni fa | 0

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acces data in struct
You can use for loop indexing elements of your structure: myElements = fieldnames(Str); % or you can list your elements % myE...

oltre 5 anni fa | 1

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why this logical expression is wrong?
because of the accuracy problem of a floating-point system >> format longE >> sind(30) ans = 4.999999999999999e-0...

oltre 5 anni fa | 1

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matrix values from loop to raw vector?
I've fixed your code: clear; q=0.1; L=2.5;%m p=0.52; c1=0; c2=(1:10); C=zeros(4,40); for n=(1:10) C(:, 4*(n-1)+1:...

oltre 5 anni fa | 1

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how to create a function that takes a txt file with a lot of columns and saves a new file (while keeping the old one) with 3 specific columns from the original ..
You should have been more specific, so I could have given more accurate answer. For instance, a list of your filenames, names of...

oltre 5 anni fa | 1

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Export Cell-Data to .xlsx [Saves less data]
I recommend converting your cell-data to table and using function writetable(). filename='myExcelFile.xlsx'; myTable = cell2ta...

oltre 5 anni fa | 0

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Export Cell-Data to .xlsx [Saves less data]
Actually, your Dataset and header need some massage before converting to table: filename='(AutoCheck7000).xlsx'; load('Dataset...

oltre 5 anni fa | 1

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Labeling the columns in an array
Do not convert your table into an array! Just use table object! Data=readtable('Filename.csv'); Later, if you want to refer it...

oltre 5 anni fa | 0

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Error Using a loop: Conversion to double from cell is not possible.
Perhaps what you need is struct. Try the following: s = struct(); for w = 1:10 PN = PName{w}; CS = CSize{w}; Project = [PN ...

oltre 5 anni fa | 1

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Using OR logical operator
Change your OR operator to AND! originalimage=imread('Test.jpg'); figure(1),imshow(originalimage); title('Original Image'); ...

oltre 5 anni fa | 0

Risposto
How to evaluate a unknown variable?
Using fsolve: alpha=0.9; g=[3, 2, 1]; N=10; P=5; f = @(lambda) sum(( lambda*(2-alpha)-sqrt(lambda*alpha*(lambda*alpha+g.*4...

oltre 5 anni fa | 0

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