# Awais Saeed

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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 = [...

ongeveer 2 jaar ago | 1 answer | 0

### 1

answerusing 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...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar ago | 0

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 ...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar ago | 0

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 = []...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar ago | 0

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 ...

meer dan 2 jaar ago | 0

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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...

meer dan 2 jaar ago | 1

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...

meer dan 2 jaar ago | 0

| accepted

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

meer dan 2 jaar ago | 0

| accepted

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...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar ago | 0

Remove dulpicate rows of cell array

C = {{'800AL'} {'800AL'} {'800AL'} {'800AL'} {'800AL'} {'700AL'} {'700AL'} {'700AL'} {'700AL'} {'7...

meer dan 2 jaar ago | 0

bar3 color change

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

meer dan 2 jaar ago | 0

| accepted

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 =...

meer dan 2 jaar ago | 1

| accepted

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; ...

meer dan 2 jaar ago | 0

| accepted

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...

meer dan 2 jaar ago | 0

| accepted

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...

meer dan 2 jaar ago | 0

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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,...

meer dan 2 jaar ago | 0

| accepted

X and Y axis alignment

Something like this? X = categorical({'Small','Medium','Large','Extra Large'}); X = reordercats(X,{'Small','Medium','Large','E...

meer dan 2 jaar ago | 0

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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...

meer dan 2 jaar ago | 0

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 ...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar ago | 1

how to find the mininmum value in a double vector ?

You are half way there. Use [value, index] = min(vector)

meer dan 2 jaar ago | 1

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...

meer dan 2 jaar ago | 0

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. % ...

meer dan 2 jaar ago | 0

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...

meer dan 2 jaar ago | 0

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));

meer dan 2 jaar ago | 0

| accepted