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# Awais Saeed

Last seen: 3 mesi fa Attivo dal 2018

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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 = [...

8 mesi fa | 1 risposta | 0

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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...

9 mesi fa | 0

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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...

10 mesi fa | 0

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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 ...

10 mesi fa | 0

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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...

12 mesi fa | 0

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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 = []...

12 mesi fa | 0

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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...

12 mesi fa | 0

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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 ...

12 mesi fa | 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...

12 mesi fa | 1

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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...

12 mesi fa | 0

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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

12 mesi fa | 0

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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...

12 mesi fa | 0

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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...

12 mesi fa | 0

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

12 mesi fa | 0

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

12 mesi fa | 0

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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 =...

12 mesi fa | 1

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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; ...

12 mesi fa | 0

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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...

12 mesi fa | 0

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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...

circa un anno fa | 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,...

circa un anno fa | 0

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

circa un anno fa | 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...

circa un anno fa | 0

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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 ...

circa un anno fa | 0

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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...

circa un anno fa | 0

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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...

circa un anno fa | 1

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

circa un anno fa | 1

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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...

circa un anno fa | 0

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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. % ...

circa un anno fa | 0

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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...

circa un anno fa | 0

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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));

circa un anno fa | 0

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