tudor dima

Last seen: 11 dagar ago | Active since 2009

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Professional Interests: RF system, discrete and IC design and simulation, Medical Image Analysis, Finite Difference methods for PDE

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Question

dynamic subindices <-> linear indices conversion, data crop /trim
Is there a way to dynamically crop N-dimensional data into an N-1 set? I have no knowledge of N before runtime, nor of the dime...

nästan 7 år ago | 1 answer | 0

1

answer

Answered
How do I use chunks from strsplit in Matlab to save along with my data in a text file?
% try this >> prefix = regexprep(filename,'\.','\t') prefix = p01 male cond 1 loud txt

ungefär 9 år ago | 0

Answered
Thresholding in Color Image
If I correctly understood your problem -- you should convert your image to HSV and then obtain your selection by thresholding t...

ungefär 11 år ago | 0

Answered
how can i compare two images which are almost the same
You could try >> i3 = xor(i1, i2); >> imagesc(i3): % and for some relative measure >> d = sum(i3(:)) / numel(i3); ...

ungefär 11 år ago | 0

| accepted

Solved

Find the nearest integer
Given a vector of integers and a real number find the closest integer. EX: >> a = [2 4 5 6 8 10]; >> b = 4.6; >> nea...

ungefär 12 år ago

Submitted

Image segmentation - multiscale energy-based level sets
Segmentation using active contour without edges and multi-scale acceleration. GUI included

ungefär 12 år ago | 1 download |

5.0 / 5

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

mer än 12 år ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

mer än 12 år ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mer än 12 år ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

mer än 12 år ago

Solved

Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

mer än 12 år ago

Solved

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

mer än 12 år ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

mer än 12 år ago

Solved

Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

mer än 12 år ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

mer än 12 år ago

Submitted

input impedance converter : S11, Z, Y (1 complex value)
reflection coef. converter: S11 -impedance -admittance -Return Loss -VSWR; graphical & text input

mer än 12 år ago | 2 downloads |

5.0 / 5

Submitted

S-parameter toolbox (+ Z, Y, H, G, ABCD, T)
Convert between N-port representations of RF circuits. Read / Write industry-standard files.

nästan 13 år ago | 10 downloads |

5.0 / 5

Submitted

bmorph - binary morphological transforms
Fast binary erosion and dilation, with even faster iterative calls.

nästan 13 år ago | 1 download |

4.5 / 5

Answered
2d to 3d
You might want to visualize your 2D sequence in 3D, then decide. Trapezoidal rule is the fastest to write and run. In case you...

ungefär 13 år ago | 0

Submitted

2D histogram - 'exact' and 'fast' binning, 'crop' and 'stretch' grid adjustment
2D histogram of data pairs [x,y]; 'fast'/'exact' binning; 'stretch'/'crop' grid mode.

mer än 13 år ago | 2 downloads |

5.0 / 5

Submitted

HTML Indexer
automated multi-language html index, index for print, batch image scaling

mer än 13 år ago | 2 downloads |

5.0 / 5

Submitted

HotPlot, view a 2D variable as hue over 2D data
pseudo-3D plot : superimpose a 2D variable or a subset as hue over 2D data used as gray intensity

mer än 15 år ago | 2 downloads |

0.0 / 5