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  2. Blend modes - Wikipedia

    en.wikipedia.org/wiki/Blend_modes

    For b=0, one still gets γ=2, for b=0.5 one gets γ=1, for b=1 one gets γ=0.5, but it is not a linear interpolation between these 3 images. The formula specified by recent W3C drafts [3] for SVG and Canvas is mathematically equivalent to the Photoshop formula with a small variation where b≥0.5 and a≤0.25:

  3. Help:Displaying a formula - Wikipedia

    en.wikipedia.org/wiki/Help:Displaying_a_formula

    Later on, the text can refer to this equation by its number using syntax like this: As seen in equation ({{EquationNote|1}}), example text... The result looks like this: As seen in equation , example text... The equation number produced by {{EquationNote}} is a link that the user can click to go immediately to the cited equation.

  4. Help:Advanced table formatting - Wikipedia

    en.wikipedia.org/wiki/Help:Advanced_table_formatting

    Another alternative is to copy the entire table from the displayed page, paste the text into a spreadsheet, move the columns as you will. Then reconstruct the table lines with a formula. This formula handles a three column table, reconstructing a single line.

  5. Bilinear interpolation - Wikipedia

    en.wikipedia.org/wiki/Bilinear_interpolation

    Example of bilinear interpolation on the unit square with the z values 0, 1, 1 and 0.5 as indicated. Interpolated values in between represented by color. In mathematics, bilinear interpolation is a method for interpolating functions of two variables (e.g., x and y) using repeated linear interpolation.

  6. MathML - Wikipedia

    en.wikipedia.org/wiki/MathML

    Other content elements are defined in terms of a transformation to the strict subset. New content elements include <bind> which associates bound variables (<bvar>) to expressions, for example a summation index. The new <share> element allows structure sharing. [9] The development of MathML 3.0 went through a number of stages.

  7. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    To make such a formula, one replaces a number with a cell reference. For instance, the formula =5*C10 would produce the result of multiplying the value in cell C10 by the number 5. If C10 holds the value 3 the result will be 15. But C10 might also hold its formula referring to other cells, and so on.

  8. DFT matrix - Wikipedia

    en.wikipedia.org/wiki/DFT_matrix

    The next row is negative two cycles of a complex exponential, sampled in eight places, so it has a fractional frequency of −1/4, and thus "measures" the extent to which the signal has a fractional frequency of +1/4. The following summarizes how the 8-point DFT works, row by row, in terms of fractional frequency:

  9. Wikipedia : Manual of Style/Mathematics

    en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

    1 + x + x² + x 3 + x 4 (with &sup2;) versus 1 + x + x 2 + x 3 + x 4 (with <sup>2</sup>). Moreover, the TeX engine used on Wikipedia may format simple superscripts using < sup >... </ sup > depending on user preferences. Thus, for some users will be an image, and for others it will be HTML like x 2. Formulae formatted without using TeX should ...