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• Optical density
  Q: I ... am wondering if this program is capable of measuring the optical density of images. ...may be a problem. For example, if you need to compute the average optical density for a region in the image, then you face this difficulty:
  1,004 bytes (165 words) - 02:11, 24 September 2010

Page text matches

• Rates of change
  ==Linear Density== Define: $\text{linear density} = \frac{\text{mass}}{\text{length}}$.
  4 KB (678 words) - 15:47, 2 May 2011
• PDEs
  ...onal to the difference of the amounts of material (or, more precisely, the density) in $\alpha$ and the other room adjacent to $a$. So, One can clearly see how the density becomes uniform eventually -- but not across an impenetrable wall ($k(A_5)=
  44 KB (7,469 words) - 18:12, 30 November 2015
• Diffusion
  ...ortional to the difference of amounts of material (or, more precisely, the density) in $a$ and the other room adjacent to $A$. So, One can clearly see how the density becomes uniform eventually -- but not across an impenetrable wall ($k(A_5)=
  39 KB (6,850 words) - 15:29, 17 July 2015
• Integrals of functions of several variables
  ...s the mass of a rectangular contained (box) filled with a gas of variables density? 1&\text{interval }[a,b]&\text{area under the graph in }{\bf R}^2&\text{linear density}\\
  73 KB (13,324 words) - 14:06, 24 November 2018
• Differential calculus of parametric curves
  ...know (from Chapter 13) the answer when this is a straight segment with the density given as a function on this segment such as this metal rod: For a numerical function $f$ on segment $[a,b]$ (linear density), we defined the weight as its Riemann integral $\int_a^bf\, dx$.
  130 KB (22,842 words) - 13:52, 24 November 2018
• Diffusion equation
  ...onal to the difference of the amounts of material (or, more precisely, the density) in $\alpha$ and the other room adjacent to $a$. So, We have used interchangeably “amount of material” and “density of material”. The reason is that we ignore the possibility of cells of di
  35 KB (5,917 words) - 12:51, 30 June 2016
• Applications of integral calculus
  ==The linear density and the mass== Recall how the ''linear density'' was defined. We are given a metal rod:
  103 KB (18,460 words) - 01:01, 13 February 2019
• Optical density
  Q: I ... am wondering if this program is capable of measuring the optical density of images. ...may be a problem. For example, if you need to compute the average optical density for a region in the image, then you face this difficulty:
  1,004 bytes (165 words) - 02:11, 24 September 2010
• The derivative
  '''Example (density).''' Suppose we are given a uniform metal rod: $$\text{average linear density} = \frac{\text{mass}}{\text{length}}.$$
  75 KB (13,000 words) - 15:12, 7 December 2018
• The geometry a gray scale image
  ...enter of mass of an object is computed as if this is a lamina with uniform density. Generally, the center of mass is found via computing 3 integrals over the ...mage we have an alternative. We can treat the gray values as values of the density of the lamina. The total amount of gray, or ''mass'', in the object in comp
  12 KB (1,927 words) - 03:29, 29 October 2012
• Integration in dimension n
  ...te volumes of complicated figures and the mass of objects with non-uniform density. Suppose we have a (real) box $B$ filled with stuff of varied density. Mathematically, the situation is captured by a function
  33 KB (5,415 words) - 05:58, 20 August 2011
• Mass as an integral
  ...te volumes of complicated figures and the mass of objects with non-uniform density. Suppose we have a (real) box B filled with stuff of varied density. Mathematically, the situation is captured by a function
  3 KB (642 words) - 02:55, 17 August 2010
• Measuring objects
  ...enter of mass of an object is computed as if this is a lamina with uniform density. Generally, the center of mass is found via computing 3 integrals over the ...n object can be understood as its mass as if this is a lamina with uniform density. However, this approach ignores the gray values of the pixels.
  9 KB (1,526 words) - 16:52, 2 January 2011
• Diffusion with various geometry
  which is simply the ''density'' of the material inside $a$. *directly proportional to the difference of density in $a$ and those of its two neighbors, and
  13 KB (2,121 words) - 16:33, 7 June 2013
• Wave equation from Maxwell equations
  ...• the magnetic induction• the magnetic field density, • the magnetic flux density; ...acement field'', also called • the electric induction, • the electric flux density;
  4 KB (655 words) - 14:51, 13 July 2012
• Maxwell equations
  ...• the magnetic induction• the magnetic field density, • the magnetic flux density; ...acement field'', also called • the electric induction, • the electric flux density;
  6 KB (922 words) - 00:30, 9 April 2016
• Several variables
  ...x$ and then the increase followed by the decrease of $y$. In addition, the density of the points indicates the speed of the motion. $\square$ ...n cartography: elevation, temperature, humidity, precipitation, population density, etc.:
  76 KB (13,017 words) - 20:26, 23 February 2019
• Partial differential equations
  ...e amount of heat (or material), we need to include the temperature (or the density of the material) in our analysis! Of course, the latter is simply the forme ...te from their current location to an adjacent area with a lower population density. Below we imagine two areas in a country: one is densely and uniformly popu
  53 KB (9,682 words) - 23:19, 18 November 2018
• Saliency
  ...n object can be understood as its mass as if this is a lamina with uniform density. However, this approach ignores the gray values of the pixels. ...mage we have an alternative. We can treat the gray values as values of the density of the lamina.
  4 KB (578 words) - 03:24, 17 October 2010
• Tutorial
  ...of the centroid = the center of mass of the object as a lamina of uniform density), *''location of the center of mass'' (of the object as a lamina with density = gray level), -- not currently
  15 KB (2,525 words) - 16:16, 23 May 2010

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