Community Profile # Nisar Ahmed

Last seen: 13 Tage ago Active since 2020

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Question

Plz guide, if I have made this loop correct?
Hi, I have made the loop like given below, in loof f is changing itratively. Plz confirm if I have made it correctly? fr = 3...

13 Tage ago | 1 answer | 0

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Question

How make this curve bit smooth or how to reduce some spikes?
Hi, I want to make this curve bit smoth by minimizing some spikes or I want remove some high frequency content from the curve. ...

etwa 2 Monate ago | 2 answers | 0

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Question

How to plot Normal probability density function?
Hi I am plotting probability density function by using this command: mx = mean(RMS_vp); sx = std(RMS_vp); norm_vp = normpdf(R...

etwa 2 Monate ago | 1 answer | 0

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Question

How to plot an overlay curve on the figure attached here.
Hello, The code for the attached/copied figure is figure, p = pcolor(b,a,c); p.EdgeColor = 'none'; axis ij; ylim([500 2500])...

2 Monate ago | 1 answer | 0

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Question

How to subtract corresponding elemets of corresponding columns of two matrices?
Hi, I have two matrices, say a = [P1 P2 P3], while size of each (P1, P2, P3) is i.e size(P1) = 100 1, etc. similarly other m...

2 Monate ago | 1 answer | 0

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Question

How to plot all curves according to their XY coordinates?
Hi, In the figure attached below, each VT curve have XY cordinates. I want to plot these curves according to the XY coordinate ...

2 Monate ago | 1 answer | 0

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Question

How to plot surf or imagesc for my data?
Hi, This is my figure code, it comprises on 38 VP vs TWT plots as: h = plot(VP1,TWT1,VP2+500,TWT2,VP3+1000,TWT3,VP4+1500,TWT4,...

2 Monate ago | 1 answer | 0

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Question

How to shade/color overlapped area in the graph?
Hi, I have plotted two graphs and both have different x and y axis as: xlabels{1} = 'DEN (gm/cm3)'; xlabels{2} = 'NPHI(.frac...

3 Monate ago | 2 answers | 1

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Question

How can I plot my figures like attached plots?
Hi, I want plot two graphs on same plot but with different x axis limits. Just given in the figure (a) attached to this questio...

3 Monate ago | 1 answer | 0

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Question

How to fix this error (SIGMA must be a symmetric positive semi-definite matrix)?
Hi, This error appears in my code: while the size of SIGMA (if it is sigma_m) is 6005 6005, means it is laready symmetric. E...

4 Monate ago | 0 answers | 0

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Question

How to extract data from an array?
Hi, Suppose the length of t is 1922 (size is 1922 1) and I want extract from (700:1900), then how I can do it? similarly a...

4 Monate ago | 1 answer | 0

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Question

What this warning means and how to fix it?
Warning: Integer operands are required for colon operator when used as index. > In Ex11_Bayes_AVO_Inversion>build_W (line 263)...

4 Monate ago | 1 answer | 0

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Question

How to fix this error please?
Error using eye Requested 57660x57660 (24.8GB) array exceeds maximum array size preference. Creation of arrays greater than thi...

4 Monate ago | 0 answers | 0

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Question

What this error 'Dimensions of arrays being concatenated are not consistent' means?
Error using vertcat Dimensions of arrays being concatenated are not consistent. Error in Make_forward_model (line 85) ...

5 Monate ago | 2 answers | 0

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Question

How to plot a graph like attached figure (in the form of steps).
How can I plot my curve in the form of steps as given in the attached figure?

5 Monate ago | 1 answer | 0

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Question

Can someone help me to explain/understand this code
if nargin==0, [file,pathname]=uigetfile('*.las'); else pathname=''; end; if ischar(file) fid=fopen([pathname,file]); k=0; he...

5 Monate ago | 1 answer | 0

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Question

How to use double loop in an equation?
Hi, I want to compute a function say Rp as of theta and frequency, like Rp(theta, f). How can I write equation with double l...

5 Monate ago | 1 answer | 0

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Question

How to plot these traces after a fixed interval?
Hellow everyone, I have attaced a figure have many traces (vertical) at different incident angles (from 1 to 30). On vertical...

7 Monate ago | 1 answer | 0

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Question

What colormap I should choose to plot my figure like I attached to this question?

8 Monate ago | 1 answer | 0

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Question

How to remove this error? The grid vectors must contain unique points.
Hi I am using this code... TVD = TVD(2083:10150); TWT = TWT(2083:10150); IntVP = IntVP(2083:10150); IntVS = IntVS(2083:1015...

8 Monate ago | 1 answer | 0

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Question

Figure display issue 'colormap(gray)'
Hi I have created a figure by using following code. The figure attached here. I have chose colormap(gray) and surprised why the...

8 Monate ago | 1 answer | 0

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Question

How to remove this error?
Error using plot Vectors must be the same length. Error in Well16_1_A_06 (line 263) plot(Out(:,1),regtime,'k'); While the ...

8 Monate ago | 1 answer | 0

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Question

How to extract data from MATLAB code?
My data consists of 389 rows and 40 columns like (size(gather) 389 40). I want to extract 40 columns and rows from 105 to 381 (1...

8 Monate ago | 2 answers | 0

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Question

How to label graph curves?
Hello, I have attached a figure in which Rpp is plotted at different angles and I want to label each graph with incident angl...

8 Monate ago | 1 answer | 0

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Question

How to fix this error?
Hi Dear all, can you please help me to fix this error? Index exceeds the number of array elements (9). Error in Wavelet_fr...

12 Monate ago | 1 answer | 0

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Question

How to extract data?
My data consists of 181 rows and 91 columns like (size(gather) 181 91). I want to extract like 181 rows and first 19 columns (co...

12 Monate ago | 1 answer | 0

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Question

How to fix it.
wav dimentions are wav = 5001*1 and I want to change it as wav = 5001*5 How I can reshape it?

12 Monate ago | 2 answers | 0

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Question

Invalid file identifier. Use fopen to generate a valid file identifier.
How to fix this error Error using fread Invalid file identifier. Use fopen to generate a valid file identifier. Error in ...

etwa ein Jahr ago | 1 answer | 0

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Question

How to overcome this error?
Error using vertcat Dimensions of arrays being concatenated are not consistent. Error in smoothmod (line 55) RHOar =...

etwa ein Jahr ago | 2 answers | 0