Answered
Calling a string from string array
title(s(3)) % s your string array

6 years ago | 0

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Answered
Symbolic toolbox not simplifying adequately
syms alpha F R simplify((3*F*R^2*alpha)/64 - 3*R*sqrt(F^2*R^2*alpha^2)/64,... 'IgnoreAnalyticConstraints', true)

6 years ago | 0

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Answered
How to insert a columns of NaNs in between a matrix at multiple places
[m, n] = size(matrix); Wanted = nan(m, n + numel(col_pos)); Wanted(:,setdiff(1:size(Wanted,2),col_pos)) = matrix

6 years ago | 0

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Answered
Create a column with different variables for certain groups of column?
a = 52:54; % example Wanted = repelem(a,280,1)

6 years ago | 0

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Answered
Is it possible to change the value of the imaginary basis i from -1 to -2?
simply use sqrt(-2) ?

6 years ago | 0

Answered
Solving two equations with 2 unknows
x = fsolve(@RootS, [1; 2]) function X = RootS(x) D0 = 500; Cp = 30; t = 8; Vd = 10; Ka = x(1); Ke = x(2); eq1 = 1/(Ke...

6 years ago | 0

Answered
Solve system of 2nd order differential equations with initial conditions
syms phi1(t) phi2(t) g = 9.8; m = 1; k = 1; c = 1; l = 1; l0 = 0.75; dphi1=diff(phi1,t); dphi2=diff(phi2,t); eq1 =...

6 years ago | 0

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Answered
how to create an array from a given array with the following criteria.
a = 1:3 Wanted = reshape(cumsum([a; ones(4,numel(a))]),1,[])

6 years ago | 1

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Answered
How to combine three vectors to a single date vector
datetime(Year,Month,Day)

6 years ago | 0

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Answered
How to find the corresponding value?
[Max, Where] = max(a); b(Where) https://www.mathworks.com/learn/tutorials/matlab-onramp.html - worth doing it

6 years ago | 0

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Answered
Why is my subplot title in bold?
<https://www.mathworks.com/help/matlab/ref/matlab.graphics.illustration.subplot.text-properties.html#mw_ca9c0e63-ba43-488d-8c38-...

6 years ago | 0

Answered
Index in position 1 exceeds array bounds (must not exceed 1).
*Para* is a row vector according to your error message.

6 years ago | 0

Answered
How do I take the sum of three 13x13x13 matrices using the summation function?
% A , B & C 13 X 13 X 13 a = {A,B,C}; Wanted = sum( cat(4, a{:}), 4)

6 years ago | 0

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Answered
criteria to use a while-loop
"What are criteria to use a while-loop?" If you don't know when the condition is satisfied. https://www.mathworks.com/matlabce...

6 years ago | 0

Answered
How to create a matrix from multiples of submatrice?
Z = reshape(rv,1,1,[]) .* diag(Alpha); Wanted = reshape(Z,numel(rv),[]).'

6 years ago | 1

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Answered
How to Save multiple results into one array
xvalue = cell(numel(x),1); for ii = 1:numel(x) xvalue(ii) = mink(abs(Lx-x(ii)),2); end celldisp(xvalue) cat(2,xvalue{:...

6 years ago | 1

Answered
Invalid Expression "3.57e2.1"
You can’t use a decimal value for scientific notation.

6 years ago | 1

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how to separate positive and negative integer
Positive = r(imag(r)>0) Negative = r(imag(r)<0)

6 years ago | 0

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Answered
How to make NaN data
c(c<0) = NaN

6 years ago | 0

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Answered
Implementing arrayfun for the yline function
figure(1) arrayfun(@(x, y) yline(x, y), [4 5], ["--", "-."]) ylim([0,6])

6 years ago | 0

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Answered
read spreadsheet, delete some variables, and save the spreadsheet
T = readtable('test.csv'); writetable(T(:,1:2), 'test2.csv')

6 years ago | 0

Answered
A basic question about the counter
counts = 0; % before loop counts = counts + 1; % inside else part

6 years ago | 0

Answered
Data comparison and selection the smallest
5-1

6 years ago | 0

Answered
Removing first row from txt file
data=('myfile.txt'); %sets variable data = readtable(data) %displays table x = data{:,1}; %sets x to column ...

6 years ago | 0

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Answered
merge two columns into one, Part 2
nansum([A, B],2) %or sum([A, B],2,'omitnan')

6 years ago | 0

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Answered
merge two columns into one
A + B %or sum([A, B],2)

6 years ago | 0

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Answered
How can i solve this exam practise question
doc mink doc maxk doc sum

6 years ago | 0

Answered
Create a matrix through replacement, from another matrix
B = A(randi(numel(A),size(A)))

6 years ago | 0

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Answered
비선형방정식의 해 값을 간결하게 표현하려면 어떻게 해야하나요?
double(solution) %or vpa(solution)

6 years ago | 0

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Answered
I have a figure window down below, I'm trying to plot both (x,y) and (x,yp) on the same graph, but only one line is showing up instead of two. I'm tried fixing it, but I can't seem to figure it out. Any ideas? Thanks.
yp = @(x) sin(x)./x; % ./

6 years ago | 1

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