https://sites.google.com/site/kolukulasivasrinivas/

Professional Interests: Mathematical Computing

Answered

Find how many times a line of code is run

count = 0 ; for j = 1:2:8 count = count+1 ; calcA = calcA+x ; end Check the value of count, it should have run ...

Find how many times a line of code is run

count = 0 ; for j = 1:2:8 count = count+1 ; calcA = calcA+x ; end Check the value of count, it should have run ...

environ 16 heures ago | 0

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Answered

One dimensional interpolation of a two dimensional matrix

Let A be your 24*365 data matrix. t = (60:60:24*60)' ; ti = (1:1:24*60)' ; B = zeros(1440,365) ; for i = 1:365 B(:,i)...

One dimensional interpolation of a two dimensional matrix

Let A be your 24*365 data matrix. t = (60:60:24*60)' ; ti = (1:1:24*60)' ; B = zeros(1440,365) ; for i = 1:365 B(:,i)...

1 jour ago | 0

Answered

how to use two while and for loops?

if x < 1 statement1 elseif x >= 1 statement2 end

how to use two while and for loops?

if x < 1 statement1 elseif x >= 1 statement2 end

1 jour ago | 0

Answered

join 2 strings together to 1

Read about join, strcat. You can also achieve the same using: str = ['Biegung_35_' ,'Evaluation.txt'] ;

join 2 strings together to 1

Read about join, strcat. You can also achieve the same using: str = ['Biegung_35_' ,'Evaluation.txt'] ;

4 jours ago | 0

Answered

Check for missing argument or incorrect argument data type in call to function 'solve'.

syms x1 x2 x3 x4 eqn{1} = 4.4*x1-2.5*x2+19.2*x3-10.8*x4-4.3==0 ; eqn{2} = 5.5*x1-9.3*x2-14.2*x3+13.2*x4-6.8==0 ; eqn{3} = 7.1...

Check for missing argument or incorrect argument data type in call to function 'solve'.

syms x1 x2 x3 x4 eqn{1} = 4.4*x1-2.5*x2+19.2*x3-10.8*x4-4.3==0 ; eqn{2} = 5.5*x1-9.3*x2-14.2*x3+13.2*x4-6.8==0 ; eqn{3} = 7.1...

4 jours ago | 1

Answered

roots of non linear periodic function

syms x p = pi/4 ; L = 2 ; eqn = x*L*tan(x*L)-p==0 ; s = vpasolve(eqn,x)

roots of non linear periodic function

syms x p = pi/4 ; L = 2 ; eqn = x*L*tan(x*L)-p==0 ; s = vpasolve(eqn,x)

4 jours ago | 0

Answered

Plotting Multiple Functions on the same graph

z = 0:0.001:1; figure hold on for n = 1:5:15 ysin = fsin(z,n); plot(z,ysin) end grid xlabel('z'),ylabel('sin fun...

Plotting Multiple Functions on the same graph

z = 0:0.001:1; figure hold on for n = 1:5:15 ysin = fsin(z,n); plot(z,ysin) end grid xlabel('z'),ylabel('sin fun...

5 jours ago | 1

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Answered

Nested For Loop Value Appended to Overall Matrix

lim = 12; count = 0 ; A = zeros([],5) ; for a = 0:lim for b = 0:(lim - a) for c = 0:(lim - a - b) ...

Nested For Loop Value Appended to Overall Matrix

lim = 12; count = 0 ; A = zeros([],5) ; for a = 0:lim for b = 0:(lim - a) for c = 0:(lim - a - b) ...

5 jours ago | 0

Answered

How can I use decreasing x-data using findpeaks?

May be you should try: [pks, LOCS] = findpeaks(GlucoseS3{:,1}, GlucoseS3{:,4});

How can I use decreasing x-data using findpeaks?

May be you should try: [pks, LOCS] = findpeaks(GlucoseS3{:,1}, GlucoseS3{:,4});

5 jours ago | 0

Answered

Autmating a matlab script

matFiles = dir('*.mat') ; N = length(matFiles) ; for i = 1:N load(matFiles(i).name) ; % you need to see how the varia...

Autmating a matlab script

matFiles = dir('*.mat') ; N = length(matFiles) ; for i = 1:N load(matFiles(i).name) ; % you need to see how the varia...

5 jours ago | 1

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Answered

not getting line in my plot? why

Vc=0.1:0.1:0.5 ; V_tip=180 ; rho=1.225 ; w=180 ; sigma=0.047193 ; Cd_avg=0.01 ; R=2.235 ; Rv=80.529 ; A=pi*R.^2 ; Vh=s...

not getting line in my plot? why

Vc=0.1:0.1:0.5 ; V_tip=180 ; rho=1.225 ; w=180 ; sigma=0.047193 ; Cd_avg=0.01 ; R=2.235 ; Rv=80.529 ; A=pi*R.^2 ; Vh=s...

6 jours ago | 0

Answered

how to use curve fitting without using curve fitting toolbox?

Refer this: https://in.mathworks.com/help/curvefit/curve-fitting.html

how to use curve fitting without using curve fitting toolbox?

Refer this: https://in.mathworks.com/help/curvefit/curve-fitting.html

6 jours ago | 0

Answered

How to save a sequence of images into a specific folder

ImageFolder ='C:\Users\person\Desktop\ Project\Matlab\Image Saving Test'; for i=1:5 % this loop will take 5 pictures and save t...

How to save a sequence of images into a specific folder

ImageFolder ='C:\Users\person\Desktop\ Project\Matlab\Image Saving Test'; for i=1:5 % this loop will take 5 pictures and save t...

6 jours ago | 0

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Answered

how to write a code second order diffrentiation code in MTLAB

st = -1; inc=0.001; en =1; t=st:inc:en; y= t.^3; x=zeros(1,(length(i)-2)); for i=1:(length(t)-2) x(i)=(y(i+2)-2*y(i+1...

how to write a code second order diffrentiation code in MTLAB

st = -1; inc=0.001; en =1; t=st:inc:en; y= t.^3; x=zeros(1,(length(i)-2)); for i=1:(length(t)-2) x(i)=(y(i+2)-2*y(i+1...

6 jours ago | 0

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Answered

Element subtraction of same matrix

A = [2,5; 3,8]; B = [2-2, 2-5, 2-3, 2-8; 5-2, 5-5, 5-3, 5-8; 3-2, 3-5, 3-3, 3-8; 8-2, 8-5, 8-3, 8-8]; A1 = A' ; ...

Element subtraction of same matrix

A = [2,5; 3,8]; B = [2-2, 2-5, 2-3, 2-8; 5-2, 5-5, 5-3, 5-8; 3-2, 3-5, 3-3, 3-8; 8-2, 8-5, 8-3, 8-8]; A1 = A' ; ...

6 jours ago | 2

Answered

Finding the maximum value in a specific row of a matrix

M = [3 6 1 -2; 3 0 -2 -4; 8 -3 5 4; -2 -3 -2 5]; [val1,idx1] = max(M(4,:)) % maximum in the row 4 [val2,idx2] = max(M(:,3))...

Finding the maximum value in a specific row of a matrix

M = [3 6 1 -2; 3 0 -2 -4; 8 -3 5 4; -2 -3 -2 5]; [val1,idx1] = max(M(4,:)) % maximum in the row 4 [val2,idx2] = max(M(:,3))...

6 jours ago | 0

Answered

how to animate two plots at the same time?

Put this line: comet3(xv,yv,zv) %xv yv zv are the values I get from solving the 2-body problem which I didn't include here int...

how to animate two plots at the same time?

Put this line: comet3(xv,yv,zv) %xv yv zv are the values I get from solving the 2-body problem which I didn't include here int...

6 jours ago | 0

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Answered

index exceeds the number of array elements (1).

This error occurs when you try to extract more number of elements than present in the array. EXample: A = rand(1,10) ; A(1) ...

index exceeds the number of array elements (1).

This error occurs when you try to extract more number of elements than present in the array. EXample: A = rand(1,10) ; A(1) ...

7 jours ago | 0

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Answered

Plot will not show lines

x = -0.923 : 0.01 : -0.633 ; f = 16*x.^3 - 13*x.^2 + 12*x + 15 ; g = -7*x.^3 - 6*x.^2 + 4*x - 6 ; plot(x,f, x,g) ylabel('...

Plot will not show lines

x = -0.923 : 0.01 : -0.633 ; f = 16*x.^3 - 13*x.^2 + 12*x + 15 ; g = -7*x.^3 - 6*x.^2 + 4*x - 6 ; plot(x,f, x,g) ylabel('...

7 jours ago | 0

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Answered

drawing a best fit graph

I = imread('image.png') ; I = rgb2gray(I) ; [y,x] = find(~I) ; % Get center idx = boundary(x,y) ; x = x(idx) ; y = y(id...

drawing a best fit graph

I = imread('image.png') ; I = rgb2gray(I) ; [y,x] = find(~I) ; % Get center idx = boundary(x,y) ; x = x(idx) ; y = y(id...

7 jours ago | 0

Answered

Find all values between 2 index columns

for i = 1:size(c,1) value = dataset(C(i,1):C(i,2)); end

Find all values between 2 index columns

for i = 1:size(c,1) value = dataset(C(i,1):C(i,2)); end

7 jours ago | 0

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Answered

I'm trying to create three curves, but my plot is blank

Code looks meaning less though. mi = [2814 1000 19781]; c(1) = 2080; c(2) = 1580; c(3) = 2580; v = c*log(19781/2814); figu...

I'm trying to create three curves, but my plot is blank

Code looks meaning less though. mi = [2814 1000 19781]; c(1) = 2080; c(2) = 1580; c(3) = 2580; v = c*log(19781/2814); figu...

7 jours ago | 0

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Answered

How to find the point of intersection of two level curves?

The best function for you: https://www.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections

How to find the point of intersection of two level curves?

The best function for you: https://www.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections

7 jours ago | 0

Answered

How to plot in command window

If your data is 2D, use plot plot(x0,yo) If your data is 3D use plot3. plot3(xo,yo,r) ; Note that to use plot command x0,y0...

How to plot in command window

If your data is 2D, use plot plot(x0,yo) If your data is 3D use plot3. plot3(xo,yo,r) ; Note that to use plot command x0,y0...

7 jours ago | 0

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Answered

For loop gives error: Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

This error occurs, when you try to save more number of elements than you initialized. Example: A = rand(10,5) ; % initialize ...

For loop gives error: Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

This error occurs, when you try to save more number of elements than you initialized. Example: A = rand(10,5) ; % initialize ...

7 jours ago | 0

Answered

Delete all values except the max value

A = [3,10,8 4,8,1] ; [val,id] = max(A,[],2) ; idx = A<val ; A(idx) = 0 ; A

Delete all values except the max value

A = [3,10,8 4,8,1] ; [val,id] = max(A,[],2) ; idx = A<val ; A(idx) = 0 ; A

7 jours ago | 0

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Answered

how to get plot with the points increasing with changing color (as points increase their color change from grey to black)

X = repmat((1:5)',1,5) ; Y = rand(5,5) ; plot(X,Y,'.-')

how to get plot with the points increasing with changing color (as points increase their color change from grey to black)

X = repmat((1:5)',1,5) ; Y = rand(5,5) ; plot(X,Y,'.-')

7 jours ago | 0

Answered

I need to fill a column data with a specific value

Let data be your m*2 data. x = data(:,1) ; y = data(:,2) ; y0 = y ; % idx = A your indices which should be nan y(idx) ...

I need to fill a column data with a specific value

Let data be your m*2 data. x = data(:,1) ; y = data(:,2) ; y0 = y ; % idx = A your indices which should be nan y(idx) ...

8 jours ago | 1

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Answered

Features Classification using deep leaning.

Refer: https://in.mathworks.com/help/deeplearning/ug/create-simple-deep-learning-network-for-classification.html

Features Classification using deep leaning.

Refer: https://in.mathworks.com/help/deeplearning/ug/create-simple-deep-learning-network-for-classification.html

8 jours ago | 0