解決済み

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

約4年前

解決済み

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

約4年前

回答済み
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))

約4年前 | 0

解決済み

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...

約4年前

解決済み

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...

約4年前

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

4年以上前 | 1

解決済み

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年以上前

回答済み
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年以上前 | 0

| 採用済み

回答済み
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年以上前 | 0

回答済み
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年以上前 | 0

解決済み

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年以上前

解決済み

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年以上前

解決済み

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年以上前

解決済み

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年以上前

回答済み
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年以上前 | 0

回答済み
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年以上前 | 1

| 採用済み

回答済み
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年以上前 | 0

| 採用済み

回答済み
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年以上前 | 0

| 採用済み

回答済み
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年以上前 | 0

| 採用済み

回答済み
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年以上前 | 0

| 採用済み

回答済み
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年以上前 | 0

回答済み
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年以上前 | 1

回答済み
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年以上前 | 0

回答済み
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年以上前 | 0

回答済み
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年以上前 | 0

| 採用済み

回答済み
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年以上前 | 0

| 採用済み

解決済み

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年以上前

解決済み

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年以上前

回答済み
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年以上前 | 0

| 採用済み

回答済み
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年以上前 | 0

| 採用済み