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MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

4 years ago

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

4 years ago

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how to make an anonymous function with more than 1 statement or equation?
B=2; C=4; f=@(x) B*x +C*x^2; % d=@(x) C*x^2 sqrt(f(2))

4 years ago | 0

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

4 years ago

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

4 years ago

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Stacked bar graph with repeating datetime
A=readtable('Project1.xlsx', 'PreserveVariableNames', 0); AA=table2array(A); B = regexp(table2array(A), '\s+', 'split'); % sp...

4 years ago | 1

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

4 years ago

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Why is my plot shaking but not plotting the noise?
x = 0:pi/200:(2*pi);% does't need e = rand; % does't need y = x.*sin(x)+(0.5*e); % does't need x_star = 0:(pi/200):(2*pi); ...

4 years ago | 0

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An integer multiple a function
I dont know the value of n. I took it 200. A=load('ecg_hw2.mat'); ecg=A.ecg ; N = [2 4 8 16 32]; b = 1./N; ye = cell(size(b...

4 years ago | 0

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how do i plot the output with constant input
Vonew=45; vin=30; y=Vonew; %i get my Voutnew=45 plot( vin,y, 'o', 'LineWidth', 2); xlabel('vin', 'FontSize', 20); ylabel('v...

4 years ago | 0

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

4 years ago

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

4 years ago

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

4 years ago

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

4 years ago

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Adding date to timetable with just time
follow this https://www.mathworks.com/matlabcentral/answers/288524-how-do-you-separate-the-contents-of-one-cell-into-separate-c...

4 years ago | 0

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How to add a first row and a first column of zeros in a matrix?
A=[1 2 3; 4 5 6; 7 8 9]; AA=[zeros(1,3);A]; AAA=zeros(4,1); B=[AAA AA]; B(:,end)=[]; B(end,:)=[]

4 years ago | 1

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How to extract monthly data in a matrix
As you did not attach any data, i took the random data A=readtable('Data.xlsx'); Data=table2array(A(:,2)); Year=(1971:2000)';...

4 years ago | 0

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Subtracting elements within a table
A=[1 23 2 24 3 21 4 34 1 89 2 23.2 3 34.8 4 -23.1]; My_Table= table(A(:,...

4 years ago | 0

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non zero elements in an array
a=[1 2 4 5 3 0 0 8 0]; [idx]=find(a<2); a(idx)=0; out=a; [idx2]=find(out>=2); out(idx2)=1

4 years ago | 0

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Answered
Getting a compound matrix to work
n=[1,3,16]; P=800; t=20; format shortG y=P.*(1+t/100).^n-P; % Compound Interest,C.I.= P × (1+t)n - P Year_1=y(1); Year_3=...

4 years ago | 0

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Compare two vector arrays and if they match set vector array 2 = nan?
Try this... time = [0,0,0,0,2,3,4,5,5,6,7,8]; solution = [1,2,0,0,1,1,2,2,2,0,0,0]; [idx]=find(time==solution); solution(id...

4 years ago | 0

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Difference between two time values in minutes
t1 = {'08/24/2010 13:21:47.030'}; t2 = {'08/24/2010 14:13:09.118'}; dt= diff(datenum([t1;t2]))*24*60 % to get the second sec...

4 years ago | 1

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Adding text to plot with random inputs
y=20*randn(1,100000)+80; histogram(y,11) title('Normal Distribution') xlabel('Value'); ylabel('Count'); txt1={'\mu = 80'}; ...

4 years ago | 0

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how to add timestep iteration and show all iteration in plot
time = [4 50] ; points = [20 100] ; % interpolation step_count = time(1):0.1:time(2) ; % timestep 0.1 expected_points = inte...

4 years ago | 0

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Loop through array containing coordinates points
Try this... p0 = [1, 1]; p1 = [2, 3]; p2 = [4, 3]; p3 = [3, 1]; cords = [p0, p1, p2, p3]; N=length(cords); for i = 1:leng...

4 years ago | 0

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Answered
how to make "two matrixes → one matrix repeated colum"
please have a look here https://www.mathworks.com/matlabcentral/answers/266969-combine-two-matrices-every-other-column

4 years ago | 0

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Solved

Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

4 years ago

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

4 years ago

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Matlab filter columns of array based on value in row
use 'find' function to look up the value which is equal to 3 in 'z' x=randi(100,3,3000); y=randi(80,3,3000); z=randi(50,3,30...

4 years ago | 0

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Answered
color in output in matlab
It might be helpful https://www.mathworks.com/matlabcentral/answers/15328-adding-color-in-command-window-output a=[1 2 3 4 4];...

4 years ago | 0

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