Community Profile

# Awais Saeed

Last seen: 5 mois il y a Actif depuis 2018

All

#### Content Feed

Afficher par

Question

How to create readable decision trees
I am trying to produce a binary decision tree as following: % Dataset r2 = [0;0;1;0;1;0;0;1]; r3 = [0;0;0;0;0;1;1;0]; r4 = [...

10 mois il y a | 1 réponse | 0

### 1

réponse

A répondu
using latex interpreter for multiple legends
You do not need to specify interpreter as latex. Matlab uses some subset of Tex by default. z = 5.213; fplot(@(x) sin(x)) l...

11 mois il y a | 0

A répondu
If value in one vector is in another, assign the value of the other column of the second vector to a third
T = 0:20; s = zeros(1,length(T)); stimuli = [4 8 14 2 16 6 15 12 3 ; 6 8 15 12 3 11 19 16 2] for ii = 1:1:numel(T) % fin...

11 mois il y a | 0

A répondu
How to create the random sampling matrix for a certain number of times?
What I understood is that you want those 40 values with 16 different c and d, right? If yes, then loop through those values, do ...

11 mois il y a | 0

A répondu
Need help writing a code with a summation divided by a summation
I do not know what graph are you expecting but your loops are for sure not storing any values. You have to store the computed va...

environ un an il y a | 0

A répondu
count repeated sequence in an array
Not so neat, but will do the work data=[0 0 0 1 1 0 0 0 0 0 0 1 1 1 1]; zero_count = 0; one_count = 0; ctr1 = []; ctr0 = []...

environ un an il y a | 0

A répondu
How to keep scientific notation in string.
epsilon=[1e-01,9e-02,8e-02]; % try num2str() str1 = string(num2str(epsilon,'%.e ')) % or try sprintf() str2 = string(sprintf...

environ un an il y a | 0

A répondu
How to delete rows in matrix, where a value is repeated 3 times or more!
b =[ 1 1 3 6 6 6 6; 1 1 3 6 6 6 7; 1 1 3 6 6 6 8; 1 1 3 6 6 6 9; 1 1 3 6 6 7 7; 1 1 3 6 6 7 8; 1 1 3 6 6 7 9; 1 1 3 6 6 8 ...

environ un an il y a | 0

| A accepté

A répondu
getting error with symengine
It is good to provide a variable list and expressions you want to replace using subs(). Read more about subs() here. syms u v x...

environ un an il y a | 1

A répondu
I need to iterate time(t) to get different value of temperature(T) at different (t) starting from 0. Can anyone help me to iterate the code and plot time vs temperature curve?
T_i = 80; T_inf = 15; h = 500; A = 13.16; m = 54; m_c = 28; %mass of cast iron in kg m_co = 20; %mass of copper winding i...

environ un an il y a | 0

| A accepté

A répondu
hello i need to write script mathlab to make a matrix with vector v=[1 2 3 4]
Seems you want to have powers from 1 to 4 v = 1:4; bsxfun(@power,v(:),[1:4]) % poers ranging from 1 to 4

environ un an il y a | 0

| A accepté

A répondu
What is a double matrix?
A = magic(4) % data type is double s = single(A) % convert double to single d = double(s) % convert single to double wh...

environ un an il y a | 0

A répondu
Fill area of 2dcircle with cross line
Do not know how to fill with lines, but you can fill the circle as shown below theta=linspace(0,2*pi,100); x=cos(theta); y=si...

environ un an il y a | 0

A répondu
Remove dulpicate rows of cell array
C = {{'800AL'} {'800AL'} {'800AL'} {'800AL'} {'800AL'} {'700AL'} {'700AL'} {'700AL'} {'700AL'} {'7...

environ un an il y a | 0

A répondu
bar3 color change
load count.dat Z = count(1:10,:); h = bar3(Z); title('Detached Style') set(h(3),'facecolor','red');

environ un an il y a | 0

| A accepté

A répondu
How to manage multiple subplots ?
I hope this will work for you. clear all position = 0; % position of plot in subplot fig_num = 1; % figure() number for k =...

environ un an il y a | 1

| A accepté

A répondu
Plot cells with variables?
I think you want to plot the symbolic expression x^2+1 (that's what A(2,1) gives you). If that's the case, use fplot() syms x; ...

environ un an il y a | 0

| A accepté

A répondu
How to generate and save multiple plots?
If you want to plot all of your plots on same plot window then use 'hold on'. If you want to plot each plot individually then yo...

environ un an il y a | 0

| A accepté

A répondu
I have a transfer function with very large coeficient, how to reduce it to a readable tf form?
Try using simplify() syms s TF =(579897794885098601073766651512401860000/(7258390620966233564935880704*s^2 + 56126396051975186...

environ un an il y a | 0

| A accepté

A répondu
symbolic calculation in MATLAB
You are not storing in C1 properly. You are using x and t, whihc are incrementing with a step size of 3. syms x t U=zeros(1,2,...

environ un an il y a | 0

| A accepté

A répondu
X and Y axis alignment
Something like this? X = categorical({'Small','Medium','Large','Extra Large'}); X = reordercats(X,{'Small','Medium','Large','E...

environ un an il y a | 0

| A accepté

A répondu
Sum matrix column orderly
chnage first_row and end_row according to your requirement A = [1,2,3,4;5,6,7,8;9,10,11,12;13,14,15,16] start_row = 1; end_ro...

environ un an il y a | 0

A répondu
Merge the contents of neighboring non-zero cells
Remove the cells that has 0 in it. c = {25,0,'anyString','aChar',[12 5 48 7];0,0,'anyString','bChar',[10 01]} nonzero_indices ...

environ un an il y a | 0

A répondu
Comparision double values 135 with 135.0000
I had this issue once. I am just suggesting what helped me. It is possible that the actual value is not 135.0000. If 135.0000 is...

environ un an il y a | 0

A répondu
Using forloop and whileloop to find if a number has appeared repetitively
Doing with loops is hectic. You should use find(). However, I did it with loops as you required. I added last two entires for my...

environ un an il y a | 1

A répondu
how to find the mininmum value in a double vector ?
You are half way there. Use [value, index] = min(vector)

environ un an il y a | 1

A répondu
While loop to find index of first element to be less than and greater than in a vector
Is it necessary to use a while loop? For loop works fine a = rand(20,1) for itr = 1:1:length(a) % iterate thorug...

environ un an il y a | 0

A répondu
Colon Notation Function using Matrices
understand the syntax first. To access an element from a matrix, you need to provide the row and column in which it resides. % ...

environ un an il y a | 0

A répondu
When you type m(1) or m(10) in the command window, what is happening?
Let's say you have an array of 10 elements arr = [1 2 5 4 7 0 3 6 1 9]; To access first element, you use arr(1) to access 5t...

environ un an il y a | 0

A répondu
Where is the mistake of the ^? i can plot the graph without the ^ but it say i have mistake after adding the ^ or .^
exp^(cos) is incorrect. Use y_array1 = sin(x_array.^2).* exp(cos(x_array));

environ un an il y a | 0

| A accepté