slope

property

Definition: In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line. Slope is often denoted by the letter m; there is no clear answer to the question why the letter m is used for slope, but its earliest use in English appears in O'Brien (1844) who wrote the equation of a straight line as "y = mx + b" and it can also be found in Todhunter (1888) who wrote it as "y = mx + c".Slope is calculated by finding the ratio of the "vertical change" to the "horizontal change" between (any) two distinct points on a line. Sometimes the ratio is expressed as a quotient ("rise over run"), giving the same number for every two distinct points on the same line. A line that is decreasing has a negative "rise". The line may be practical – as set by a road surveyor, or in a diagram that models a road or a roof either as a description or as a plan.

Source: Wikipedia

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Occurs in:

• basin_outlet_channel_bottom__slope
• bedrock_surface__slope
• bedrock_surface__time_derivative_of_slope
• bedrock_surface__x_derivative_of_slope
• bedrock_surface__y_derivative_of_slope
• channel_bottom_surface__slope
• channel_water__depth-times-bottom-surface-slope
• channel_water_surface__slope
• delta_beds~foreset__mean_of_slope
• delta_distributary__slope
• delta_front__mean_of_slope
• delta_plain~lower__mean_of_slope
• delta_plain~subaqueous__mean_of_slope
• delta_plain~upper__mean_of_slope
• glacier_bed_surface__slope
• glacier_bottom_surface__slope
• glacier_top_surface__slope
• land_surface__slope
• land_surface__x_derivative_of_slope
• land_surface__y_derivative_of_slope
• projectile_origin_land_surface__slope
• projectile_target_land_surface__slope
• sea_bottom_surface__slope
• sea_surface__slope
• sea_surface_water_wave__steepness
• soil_water_sat-zone_top_surface__slope